Scooter Bogs At Half Throttle

A couple of degrees can make a big difference in acceleration characteristics. The Latest. Never had any problems until I was full open throttle up a slight incline for maybe half a mile (stupid, I know). and why does it not seem to bog when on stands? You can actually hear and feel the continued increase in rpms beyond half. The pilot jet meters the fuel required for engine starting, idling and the initial throttle opening 0-⅛. If you scan this build index from a Russian E-bike forum, you will find a dozen 2WD E-bikes (because of the snow in Russia over half the year). Then, stop the engine. Latest discussions at Pit Bike Club: the plug is the right colour and its fine till full throttle and then bogs its on a 4stroke scooter, it was restricted. QUOTE] I'm not sure I understand this part. I had every kid in the neighborhood outfitted for our annual race!. Re: Razz 88 - Bogs up hills and full throttle Post by michele1988 » Sat Aug 18, 2012 11:50 pm Okay, the scooter ended up running bad before I could find the vacuum leak so I learned how to clean the carburetor. Is there anyone who has encountered this problem ,and how was. What could be wrong?. I messed up by tinkering with the air/fuel screw. cleaned the carb and adjusted the idle & it still does it what else can I do???. Hesitation under heavy throttle: Deadspot & stumble. I am at my wits end and don't want to get rid of it cause I love the bike when it is running well. What are the types of scooter fuel pumps? There are three types of pumps that are used to move fuel from the storage tank to the engine of a scooter. 6 liters so a little over half a liter or 2. After a short ride, we stopped for her to get gas. In the case of the diesel, a tech had changed a head gasket and test drove the car about 1/2 mile before it started bogging down, making noise, and slamming to a stop; luckily at the shop entrance right a lunchtime. that, in theory, should last longer. I messed up by tinkering with the air/fuel screw. A lean pilot jet setting will cause your engine to surge at very low RPM's, bog or cut-out when the throttle is opened quickly and have trouble idling down. I added a new carb from 17mm to a 20mm for more power. Shopping Cart & Checkout (0 items) No Registration Required - Shipping Address Collected Via PayPal (next step) = $1. Ok so my bike has this bog that is pretty annoying. At slower town speeds, the motor feels smooth and fuels precisely. The bike dies with choke in completely if I try to accelerate. This is commonly caused by a deteriorated intake inlet manifold. The Perpetual Motorcycle Thread 2 29304 posts • Previous; 1 and if you are having to give it throttle to start a fuel injected bike you should take it to the dealer. in the long Muslim holiday I took the C90 around Sumatra, covering 3,300km in 6 weeks, three punctures was the only trouble I had…. I know my strikemaster STRUGGLES with with first hole, but after that it works like a charm. might seem simple,but i had a similar problem a few years ago,it turned out to be the air hole in the petrol cap was blocked with crap,,worth a clean fella,if not try,cleaning the carb/jets,check plug colour,cdi unit might be faulty too,rings might be worn also,,is the tickkover screw high enough also is mixture screw set right,check plug colour for this,should be brown,light brown firing end. We ohmed the stator per the manual and it read. Ruckus bogs down when throttle is half to wide openhelp. As you open the throttle the needle rises allowing more fuel into the carb (richer). I have a 2008 [no brand name chinese import] scooter. Anyways, the point is that if you're missing half of your airbox then you're probably getting significantly more air flow than the carb is set up for. Buy discount lawn mower parts, Echo Trimmers, Ego Batteries online. It's possible the fuel cap vent is clogged a bit. At half choke it would run smooth but did not have full power. When this happens the internal clearances of the engine open up and two-stroke engine loses compression. only had it for 2 months, with less than 8 HELP! scooter bogs down when you give it throttle! - scooter-forums. About 30 seconds later, push the choke all the way in and use the throttle to keep the bike idling while warming up. I run motor on ethanol free fuel with Stabil in it. - The carburetor is bad. I can get it up to around 70 with just using half throttle and from a start if I use full throttle it takes off like a bat out of hell. The difference between the maximum and minimum reading is the pressure drop. 50cc Chinese Scooter - Bogs down at Full Throttle 50cc - 124cc. This is on a Honda '74 - z50, I have the E22 race head and up the cc to 72cc with a piston change and a full race cam with 6mm cam lift. the throttle is like $7, controller $12, old wiring harness including reverse switch came from a 6V powerwheels, the batteries are 2-12V 12ah scooter batteries that can be bought off ebay for less than $20 apiece. On the way home her Harley started to misfire and run poorly. But the Goped has sat for a long time (year and a half or so). Divide the spaces up even again until idle, 1/4, 1/2, 3/4, and full throttle positions are known. BoGs Registered User. It will start perfectly, idle fine, but when you give it throttle it bogs down and will die unless you let off. and it won't top. TROUBLESHOOTING YOUR SCOOTER My scooter is not charging My scooter will not start My scooter is hard to start Starter is working but Scooter will not start Scooter runs but is very slow. Car starts jerking and bogging out. that, in theory, should last longer. Troubleshooting Edit. Fast vehicles are dangerous. Best way is to slip a clear piece of tubing over the caulk tip, then insert it into each bar end before filling. Those shared. I have a 2000 arctic cat 500 4x4 auto. If you are having trouble starting your nitro rc car engine it can be very frustrating! There are many different reasons why a nitro engine might fail to start. Note that half-throttle efficiency is about 7-8% poorer than full-throttle efficiency. I have just fitted a 166 kit to my PX125 with a scootrs pipe. The idle switch is connected to the ECU, and the full throttle switch to the A/T computer. * If the vehicle is left unused for more than say 7 hours then the engine oil temperature will decrease. Usually, when opening the throttle, if the engine bogs down the problem is usually a too lean situation. It will not read high on the dipstick so keep that in mind. 1985 two stroke Kawasaki 200 kdx. Spray carb cleaner where 2 pieces are joined together. Ok so my bike has this bog that is pretty annoying. If I then let off to half throttle and hold it there then bogging. 5 carb and malossi variator,kevlar belt, 5. keep tightening it slowly, until it bogs down, or quits, now loosen it 1/4 of a turn, no more, no less. But the Goped has sat for a long time (year and a half or so). so i replaced my petcock, which was just pouring gas into my carbs nonstop. I have it in the shop 4 times in past 3 weeks. works View full product details. Method: Your engine builder can check alignment fully, but for the home mechanic wanting to know if the ignition has a misfire, a simple test can reveal the worst offenders. When the bike's running too lean, instead of a bog, you'll experience a cut out and your bike may stall on you. A lean pilot jet setting will cause your engine to surge at very low RPM’s, bog or cut-out when the throttle is opened quickly and have trouble idling down. Note, full acceleration from stop will probably drain the battery faster and since the throttle is hot once the scooter is turned on, you want to be careful not to bump it accidentally because it will take off and at ~86 lbs, it's a substantial scooter. Suzuki Bergman 400 2008 - Engine bogging down - craig-pd130 : Does it recover and run normally again if you roll the throttle back to halfway, after it has bogged down? It could be fuel flow, it could be a badly-fitted airfilter, or the inlet snorkel of the airbox could be partially blocked. With the bike stil standing you can let go the engine easy till 8000 revs and more. You wont find this "Bogging" nearly as much w/conventional top slide operated cabs !. Indeed, at first it was just one car behind me - at the requisite 20-feet. cleaned the carb and adjusted the idle & it still does it what else can I do???. Honda tends to overfill the scooter from the dealership which leads to loss of MPH. At this point, there should be two lines on the throttle housing, and one on the throttle grip. 5 carb and malossi variator,kevlar belt, 5. But the problem lies when I am stuck in traffic or in a slow area and I need to throttle about 1/4 to 1/2 way, the engine will bog down and eventually cut out after a few seconds. John Conley is on Facebook. 150cc bogs after 1/2 throttle. The only way to fix this, is with a total engine rebuild. I'm having problems jetting it. i just started running 110 fuel in it and as of right now have the air screw at about 3/4 from completely closed needle clip in the the third position with a stock main. Idles good, I can hear that there's barely a difference in the way the engine sounds, it sounds like a slight hesitation or miss. Those shared. POST a QUESTION or READ FAQs about how to troubleshoot electric motors such as air conditioning compressor motors, heating equipment burner or fan motors, swimming pool motors, water well pump motors. 15mm venturi is the largest diameter available for this carburetor type. if there any possible the pilot jet was broken or the size is incorrect due imitation product? or maybe i need to setup the float more lean? thank you for the reply Matthew. (Speed hungry) When I go and give it full throttle the engine just bogs down like it's going to die. Short of that, you can do Second-gear bursts of 2 to 3 seconds each and have a passenger watch the meter. 2 Starter jet 45 Air Screw ~1 -> ~1. As you can see, there is significant overlap of both circuits. Carb Float Needle. a1parrothead wrote:Hello all, My 1985 Honda Spree is driving me crazy. Narrowing down the cause of engine bog and dead spots in the rpm range - Hot Rod Magazine. 50cc gy6 scooter will only start with half throttle and runs rough, Yea, Brand new engine in a gy6 50cc gator 50, - Answered by a verified Motorcycle Mechanic. They may also be found in use on other light vehicles such as motor tricycles and quadbikes, go-karts offroad buggies, auto rickshaws, mowers and other utility vehicles, microcars, and even some superlight racing cars. My scooter will idle fine at traffic lights etc, it is fine when I open open the throttle all the way. If you notice a bog when you snap the throttle, the fuel screw is most likely set too rich. When the bike's running too lean, instead of a bog, you'll experience a cut out and your bike may stall on you. Dirty Scooters - Lambretta Li 150 series 2 restore and 64 GL malossi 221 this blog is a record of my scooter projects. it still bogs down when tackling hills, but I didn't encounter anything the Dolly couldn't handle. Hello all, this is my 1 st article in BikeBD & I can't help but admit that I am privileged to be given a chance to share my views & opinions here. If the problem gets worse, go two clips in the opposite direction and see if it. But the Goped has sat for a long time (year and a half or so). I thought of going 5g but I already changed to red contra spring and on the 10 minute ride I had today it's looking good (I also up jetted but I don't think it was related as I tried all sorts of jetting combos before spring). It may accelerate smoothly, but lack power. The Perpetual Motorcycle Thread 2 29304 posts • Previous; 1 and if you are having to give it throttle to start a fuel injected bike you should take it to the dealer. I have just fitted a 166 kit to my PX125 with a scootrs pipe. doesn't engage and try to move the scooter forward. Hello Everyone, the other day i was in a group ride cruising at about 70+MPH then all of a sudden out of nowhere my bike started to sputter almost like it wasn't getting enough fuel even though I had a full tank. Carburettor recommendations. After about 15 mins she showed up and said her bike would not stay running. I have a 50cc moped that I'm trying to fix up and sell. Road TAX on a bike or scooter up to 125cc is at an unbelievable. Something else that's strange is if the scooter is on the centre stand and I give it half throttle of more the exhaust makes the bogging noise and makes a popping noise as well at times, however if it's not on the stand, i'm sitting on it holding the brake in I can rev it fully with no issue at all, it sounds much better and doesn't bog or pop. *Removed carb and replaced all gaskets, now the snow blower will not start and I get NO gas in the carb. It may feel as though the car simply doesn't accelerate as it should, and jerks or hesitates as it picks up speed. Hello all, this is my 1 st article in BikeBD & I can't help but admit that I am privileged to be given a chance to share my views & opinions here. It used to die but I think I adjusted the throttle last year. Simply pulling a plug and looking at the color after running through a variety of throttle positions can be misleading and possibly lead to disaster if jetting is too lean. The bike dies with choke in completely if I try to accelerate. use a multi-meter on AC20. It really doesn't say much about it? Does anyone think it would work perfect until I reach about 4K rpm? It will rev wide open for about 2 seconds then bog down for about 3 seconds then jump back up to about 7K rpm and then back down to about 4. Engine bogs and will not go beyond a certain RPM. Road TAX on a bike or scooter up to 125cc is at an unbelievable. Suvro Sen April 11, 2013. Engine idles but then dies. I added a new carb from 17mm to a 20mm for more power. It will start up and idle for the rest of time. 50cc gy6 scooter will only start with half throttle and runs rough, Yea, Brand new engine in a gy6 50cc gator 50, - Answered by a verified Motorcycle Mechanic. This wiki has been updated 10 times since it was first published in August of 2018. (Speed hungry) When I go and give it full throttle the engine just bogs down like it's going to die. The motor is a stock YX150 with a CHP Ultima Pipe. The Perpetual Motorcycle Thread 2 29304 posts • Previous; 1 and if you are having to give it throttle to start a fuel injected bike you should take it to the dealer. The diameter of needle and atomiser will affect everything below and up to half throttle. Symptoms of Lean and Rich. My 1989 rm 250 bogs out when I'm half to full throttle it does fine has plenty of power but half to quarter throttle it dies unless I just keep reving. Should I turn a blind eye to the after smoke if its running good or is that smoke a bad sign. 43 thoughts on " How it works: 150cc GY6 Automatic Choke " is it not on the scooter for a reason? Idling good and bogs down under throttle, means not. Re: Best Carbs for GX390 The CV Carbs are the best choice for a Golf Cart since they meter the fuel better at part throttle and cruise much better than slide carbs do. 1985 two stroke Kawasaki 200 kdx. Gearing can also be a significant factor. For continued smooth operation it is important to keep this cable clean and free of obstructions. While riding the engine starts to sputter by more than half gas, it's smoking also to much. As you can see, there is significant overlap of both circuits. From here you can experiment with how small adjustments affect low-end (i. Hesitation under heavy throttle: Deadspot & stumble. This is on a Honda '74 - z50, I have the E22 race head and up the cc to 72cc with a piston change and a full race cam with 6mm cam lift. When i drive my scooter under 35 mph, if i accelerate the motor have hesitation (beuuuueuu) before he take his gas correctly. anything over half throttle and the scoot bogs down. Overall the bike feels rich, would like to solve the changing idle speed and bog at top end. They may also be found in use on other light vehicles such as motor tricycles and quadbikes, go-karts offroad buggies, auto rickshaws, mowers and other utility vehicles, microcars, and even some superlight racing cars. Any suggestions will be greatly appreciated. The DR650SE engine has an outstanding reputation for long, trouble-free service life. Tell your assistant to keep the engine running, but not to give it TOO much throttle. If you are having trouble starting your nitro rc car engine it can be very frustrating! There are many different reasons why a nitro engine might fail to start. It will not read high on the dipstick so keep that in mind. Ive got this problem with my little 90cc 2 stroke scooter, Its starts and runs sweet, idles fine and revs freely up to a certain point. I thought of going 5g but I already changed to red contra spring and on the 10 minute ride I had today it's looking good (I also up jetted but I don't think it was related as I tried all sorts of jetting combos before spring). Typical problems include hard starting, rough running, a need to adjust the carburetor during use to keep the engine from stalling, a need to rev the engine to ke. I'm having problems jetting it. But the problem lies when I am stuck in traffic or in a slow area and I need to throttle about 1/4 to 1/2 way, the engine will bog down and eventually cut out after a few seconds. Now find the half-way point between both of the lines on the throttle housing. Half to 1/4 throttle is ok for a bit. This is a guide to carburettors as used on Lambretta motor scooters, it is not a guide to how a carburettor works or what jets go where nor is it a guide to trouble shooting problems associated with carburettor problems. Car won’t accelerate, lacks power when accelerating, or accelerates itself. My previous bike was a throttle only hub motor and the style of riding is obviously quite different. Cure The Bog And Sluggish Response On Your Holley Four-Barrel Carburetor, By Properly Adjusting The Accelerator Pump Assembly If your car or truck is equipped with a Holley four barrel carburetor and stumbles upon acceleration, more than likely the carburetor needs an adjustment to the accelerator pump assembly. Once pulled over, all plugs are removed and the spark plug color is inspected. Pull the throttle handle hard to about half way and release. It really doesn't say much about it? Does anyone think it would work perfect until I reach about 4K rpm? It will rev wide open for about 2 seconds then bog down for about 3 seconds then jump back up to about 7K rpm and then back down to about 4. I put the key in, turned it on, released the brake and. Do you need a motorcycle permit for 150cc scooter in VT?. 0's and 5125 miles. Share Thread. As soon as I let off the throttle it dies instantly without sputtering. P200E Cuts out when throttle opened will enjoy your scooter more. If I then increase the throttle to say a half or more it bogs like crazy, feels like its cutting right out. bog at 1/2 to wide open throttle. But this engine has only a few miles on it so still running 16:1 mixture. New Exhaust System = Carb Jetting? When you upgrade your bike with a new exhaust system, air box or hi-flow air filter it may upset the air to fuel ratio creating a mixture that is too rich or too lean. (which is the devil in the details when thesePC800 scooters experience "Bogging" while throttling under a load. (The carburetor is a known problem for these scooters) The manufacturer only offers a 30 day warranty. 5 again and get good idle on 2 counterclockwise screw. honda elite 150 dies on throttle up Scooter has approx. Simply tweaking the air screw/throttle screw etc is not going to fix this. The DR650SE engine has an outstanding reputation for long, trouble-free service life. Hello Everyone, the other day i was in a group ride cruising at about 70+MPH then all of a sudden out of nowhere my bike started to sputter almost like it wasn't getting enough fuel even though I had a full tank. Something else that's strange is if the scooter is on the centre stand and I give it half throttle of more the exhaust makes the bogging noise and makes a popping noise as well at times, however if it's not on the stand, i'm sitting on it holding the brake in I can rev it fully with no issue at all, it sounds much better and doesn't bog or pop. Things were looking up: I replaced the spark plug, cleaned out the exhaust, adjusted the idle / fuel screws, and even replaced the brakes (I can stop now!). now, do the same with the high speed circuit, except when you do this, have it at wide open throttle. Before that Tomos made Puc h s, under license. Started off with the 115 jet that came with the kit but this was too large. It may sound like the engine is running OK, but it will lack power. (The carburetor is a known problem for these scooters) The manufacturer only offers a 30 day warranty. before the ncy intake I started with a 42 idle and 80 main and the bike was running really hot also I had to raise the needle just to get enough gas to run but still would bog down at full throttle till the 100 main and 48 idle. Car starts jerking and bogging out. I re-gapped the plug but that didn't fix it. and I have to release the throttle and slowly rethrottle it again for it to go, but once it gets past like halfway. At 8,000rpm the main chunk of power surge announces its arrival by hauling the front wheel off the ground. It used to die but I think I adjusted the throttle last year. I've been riding it around with most of the parts still off it to have easy access to the carb so it's about half taken. Scooter seems to runs fine, but then bogs down or dies with a wide open throttle. i put too much oil in my 4 stroke scooter. But, as soon as I give it FULL throttle it bogs down and dies in about 3-5 seconds. Off Topic Section just tell me to scrap the chinese scooter, it is borrowed and only has 130 miles on it. Starting from the basics, take off the fuel cap and listen closely for the fuel pump to come on as a helper turns on the ignition key. I have a 2001 dodge 1500 pickup. before the ncy intake I started with a 42 idle and 80 main and the bike was running really hot also I had to raise the needle just to get enough gas to run but still would bog down at full throttle till the 100 main and 48 idle. Can go 10-12 mph then bog city if throttle advanced. Close the jet by turning it. The diameter of needle and atomiser will affect everything below and up to half throttle. It may accelerate smoothly, but lack power. My scooter is leaking oil from the Carburetor and Muffler areas. small throttle openings) response and make adjustments for weather. How can I improve the performance of my scooter via the carburettor? January 19th, 2010 This little machine is probably more complicated than the rest of your engine, if you really want to get technical, but it doesn't have to be the cause of so much hair pulling. My scooter was having trouble idling and was bogging dow when I engaged the throttle. 5 again and get good idle on 2 counterclockwise screw. USA models Tomos began in the US in 1976, but their new A3 moped came out in 1974 in Europe. When the bike is at an idle, it will bog if you open the throttle all the way to fast. Pulled the plug, and it looks ok but is coated with oil. I played around with the feul lines multiple times. On non-battery scooter, there are. I added a new carb from 17mm to a 20mm for more power. Heat soak is an even bigger problem once you go big bore 70cc or more, since now the engine runs even hotter! The dio style Honda Elite scooters have a split case cover that allows you to take the back half off and instantly have tons of airflow cooling the clutch and CVT pullies. For continued smooth operation it is important to keep this cable clean and free of obstructions. Idles good, I can hear that there's barely a difference in the way the engine sounds, it sounds like a slight hesitation or miss. everything stock but a pro circuit pipe & silencer. But the problem lies when I am stuck in traffic or in a slow area and I need to throttle about 1/4 to 1/2 way, the engine will bog down and eventually cut out after a few seconds. But the Goped has sat for a long time (year and a half or so). It can happen at half throttle, full, or anywhere in between. I've been all through the entire scooter and nothing seems to be wrong besides the fact the main jet is a tad too big. Engine bogs and will not go beyond a certain RPM. I tried the 10 second at full throttle, then cool down for 10 seconds, it seemed to increase my top speed so far to 38mph (60km)but that was with the old plug, Now it seems to be suckin the gas down fast, 25 miles off a full tank and less than half a tank left. :D Seems a bit smoother all through the rpm range, but really the only thing you'd notice if you weren't the one tuning it would be that the little hesitation at top end is gone. You’ll know you’re doing it right if the engine stumbles a little on each sip. Share Thread. Re-open the high speed needle 1/8th of a turn and take another test run or two to make sure that you don't feel the bog and that the engine is running well. its strange. After cleaning the air filter and putting it back in, the scooter now bogs down when applying full throttle. Can go 10-12 mph then bog city if throttle advanced. It's just when Im going slowly through a town or something It's embarrassing when it cuts out & have to start again :banghead:. You wont find this "Bogging" nearly as much w/conventional top slide operated cabs !. If I give it about half to 3/4 throttle it will get up to speed just fine but rather slowly and won't reach top speed potential. there is a go-ped model called the super bigfoot pro 60. Once i downsized the main jet and adjusted the mixture screw a little that pumping feeling disappeared. Share Thread. Second time i replaced it I cut the old grommet in half and installed it under the new grommet to prevent the first grommet from sliding out of the pump. I tried fixing it myself and ended up wasting a lot of time watching youtube videos and reading scooter forums. The difference between the maximum and minimum reading is the pressure drop. Method: Your engine builder can check alignment fully, but for the home mechanic wanting to know if the ignition has a misfire, a simple test can reveal the worst offenders. The 1958 scooter has a head gasket? It seems to be just over half throttle to full throttle it just bogs down, but could run at 1/4 to 1/2 throttle all day. Prise the grommet out with your fingers and look for a flat head screw just a few mm inside the box. It seems to run fine at half throttle, but whenever I give it full throttle it bogs down and almost dies. I have a 250cc SUNL scooter with the following problem. If I then let off to half throttle and hold it there then bogging. keep tightening it slowly, until it bogs down, or quits, now loosen it 1/4 of a turn, no more, no less. On a 300' or 100 meter stretch or greater, run the engine at wide open throttle 3. small throttle openings) response and make adjustments for weather. it has a 50cc 3. Should the throttle begin to feel loose and sloppy, the slack can be adjusted on the cable at the handlebars. But when I hit full throttle it bogs. You’ll know you’re doing it right if the engine stumbles a little on each sip. It's influence on the mixture between half and full throttle is not that great however. We specialize in 50cc and 150cc scooters starting at just $1,199! Wolf has been around for nearly a decade, sold in hundreds of scooter shops across the nation next to brands like Vespa and Genuine Scooters. I am not talking about a minor hesitation,its so bad that I couldn't even pass a scooter when this happens. 4) No power or heat source to choke. But the problem lies when I am stuck in traffic or in a slow area and I need to throttle about 1/4 to 1/2 way, the engine will bog down and eventually cut out after a few seconds. The Service ESC, engine power reduced, and service traction lights are all on. I have just fitted a 166 kit to my PX125 with a scootrs pipe. Idles fine. the one I am looking at has only two half. Scooter was running great compared to now, it was a little sluggish so i took off the carb. If you are having trouble starting your nitro rc car engine it can be very frustrating! There are many different reasons why a nitro engine might fail to start. It is also an 83xc and it only has about 3000 mi on it. It seems to run fine at half throttle, but whenever I give it full throttle it bogs down and almost dies. However, as with all mechanical devices, carburetors require periodic tuning and service, and will eventually wear out. I messed up by tinkering with the air/fuel screw. My scooter will idle fine at traffic lights etc, it is fine when I open open the throttle all the way. Currently I have a #37 idle and a #92 main. You wont find this "Bogging" nearly as much w/conventional top slide operated cabs !. In the case of the diesel, a tech had changed a head gasket and test drove the car about 1/2 mile before it started bogging down, making noise, and slamming to a stop; luckily at the shop entrance right a lunchtime. An ignition system problem is one of the most common reasons for an engine to misfire. :D Seems a bit smoother all through the rpm range, but really the only thing you'd notice if you weren't the one tuning it would be that the little hesitation at top end is gone. Restart the engine and set the throttle position to HIGH or FAST. Divide the spaces up even again until idle, 1/4, 1/2, 3/4, and full throttle positions are known. 0's and 5125 miles. Why does my two stroke bog down at half throttle? It revs good to halfthen holds and bogs. -engine stumbles or hesitates when the throttle is opened quickly. I bypassed the diaphram and put a manual cutoff in place. It is normal for curb idle to increase several hundred rpms as full operating temperature is achieved. okay so I'm leaving work yesterday, running an errand before going home on the hottest day of the year so far(100+f). Possibly damaged by a backfire condition. keep tightening it slowly, until it bogs down, or quits, now loosen it 1/4 of a turn, no more, no less. I lost sight of her so I pulled over. Re: Best Set up for Dog Scooter? That's what I meant by messing with the pack :P. Car starts jerking and bogging out. i noticed oil under the flywheel so i changed the crank seal thinking that would fix it but its still doing it. QUOTE] I'm not sure I understand this part. Re-open the high speed needle 1/8th of a turn and take another test run or two to make sure that you don't feel the bog and that the engine is running well. It looks like what someone in the 80s thought bikes would look like today, and it looks like it should have a 300 horsepower engine…. Derestricting a scooter makes it faster and therefore more dangerous to ride. Overall the bike feels rich, would like to solve the changing idle speed and bog at top end. Tell your assistant to keep the engine running, but not to give it TOO much throttle. 2 MegaSquirt ® main board with the MS-I™ processor (68HC908). Have changed plug plug wire and fuel filter. Then, once warm. Stock setup will sometimes run great at lower RPM but will cut out and get chopppy at half to full throttle. My scooter was having trouble idling and was bogging dow when I engaged the throttle. Divide the spaces up even again until idle, 1/4, 1/2, 3/4, and full throttle positions are known. I had every kid in the neighborhood outfitted for our annual race!. My benelli m50 scooter is bogging out at full throttle. I can hold mine full throttle without drilling to warm it up before my first hole and once it catches the resistence of the ice it bogs, but doesn't die. I have no or very little power on the bottom end. Tan/Brown - Correct jet. But do you know what, the Bafang just felt so good to ride. Honda tends to overfill the scooter from the dealership which leads to loss of MPH. It is also an 83xc and it only has about 3000 mi on it. I put the key in, turned it on, released the brake and. Bike Of The Day: 2007 Suzuki RM300 5. Its 4 stroking between 1/4 and 1/2 throttle, what do I need to adjust to make it stop? Its crap when pulling away and tickover isn't great either. But prices have gone up, since I started this blog. When it does start to sputter I pull over and the scoot usually dies. When I initially start the scooter, it runs fine under WOT. Ruckus bogs down when I try to accelerate. It really doesn't say much about it? Does anyone think it would work perfect until I reach about 4K rpm? It will rev wide open for about 2 seconds then bog down for about 3 seconds then jump back up to about 7K rpm and then back down to about 4. only 100 miles on it ) carb on her scooter and I am having a lot of trouble.