Thanks for your time and thanks for this great forumthere is so much great information and bikes on here! A notched clutch basket will not allow the fiber plates to slide & disengage. You followed the info on page 150 of the repair manual? Taking off in first gear it just putts along even though I am giving it throttle. It doesnt get much more basic than this. Over time, that threaded connection becomes corroded and rusted. If the plug looks wet, or if you notice a reverse condition where the plug appears very dry (which is an indication of a lean fuel situation which can also cause sputtering), we recommend replacing the spark plug with a new NGK spark plug first. The best way to diagnose a timing issue on a motorcycle is to take it in to a mechanic. My wife gave me the bike as a surprise birthday present.~!Awesome! and our If the exhaust valve or the intake valve is open, that can cause your bike to stutter too. Yet cant read the question . You should then use compressed air to blow any gunk or debris that could be stuck in the jets or the bottom bowl inside the carburetor. Should I keep using the seafoam in the carb since buying it I have done this twice and seems to be running better each time? Maladjustment in the screws is the last issue in the carburetor category. Honda VTX 1300 / VTX 1800 Motorcycles Forum. What you are describing is a part throttle lean condition. The next thing that you want to check and clean the carburetor. Typically with most pit bikes, the problem is going to be with the spark plug or the carburetor; with the fuel system being the primary culprit. Save my name, email, and website in this browser for the next time I comment. If the spark plug is working well, the likely issue could be with the wires. based on comments I see youre convinced its a fueling issue. There are many fuel management options out there you should look into one of them to solve your problem. JavaScript is disabled. A motorcycle can cut out or stall for various . There is nothing more annoying than a bike that sputters. However, while in 5th gear trying to increase speed, It seems to start sputtering? Treat your motorcycle to a spa day at the workshop regularly. Normally, when you press down on the accelerator, the . Rust and debre in the tank? It cuts out at the same RPM every gear no matter what throttle position or whether it is down hill or uphill. There are three main issues that can be caused from the carburetor that will make your motorcycle sputter. This maybe the case if the plug was wet and you dont want an emgine fire. Vacuum leak on the carburetor or intake boot. Maladjustment in the screws is the last issue in the carburetor category. Bike stutters in low RPMs in all gears. The Fora platform includes forum software by XenForo. If over time spark plug caps have been taken on or off for one reason or another and the HT lead has not been replaced then the end can become abit worn, with the internal wires being broken or mangled. For more information, please see our It never actually stalls, since I back off the throttle when it happens, but it's pretty annoying. Sputtering is when your bike engine doesnt achieve complete combustion. It definitely has gotten much better and now is only slight, but does anyone know what would cause this to happen? The incomplete fuel consumption will make your bike sputter. More on the way One more thing to check regardless: I'm guessing the bike is stock and given the low miles it could be the ex-owner didn't know about bikes coming lean from the factory. Below we have briefly touched upon four commonly seen problems with Ural motorcycles. my cruising rpm is 4k. The . Aug 28, 2010. Dirty air intake filter? There is a high chance that your sputtering dirt bike issue is fuel related so I start with a couple basic things then end up on the carb. I have an '05 and experienced SVS. There are six main reasons why a motorcycle loses power when accelerating which are: Plugged jet in the carburetor. One of the most prominent reasons a bike dies when you put it into gear is an activated side stand safety switch; this can happen if the stand is extended and still in use or the side stand switch is faulty. Gas leaks can disrupt fuel consumption by the engine. 4th,pulls slightly,cuts out. To recap those revisions: women are still worth 10 points more than men in all age brackets, but teenagers now rack up 40 points, and toddlers under 12 now rate a big 70 points. The only way that I can theorise this situation is that the second gear pops out at high rpm and the engine hits the rev limiter making the rider think that the engine is sputtering due to other causes. Rebuilding the carbs would be more than sufficient. Gas leaks can disrupt fuel consumption by the engine. Next time you try it out, try pulling your choke out halfway to see if it changes the conditions. Everything From Old School Harleys To The Latest BMWs. The bike intakes air through the filter and if this is restrcited it can be an issue. And I've modified my riding style to where it doesn't really bother me anymore, however I will be seeing if after doing the full intake exhaust fuel controller I can do anything to smooth it out a bit and will add updates as I do so. Making sure everything is functioning as it should and that it is clean. Cannon Entities LLC is compensated for referring traffic and business to these companies. So just to verify, when I'm at first gear and going to 7-8kRPM, shift quickly to second, and if it is the gear that is . It affects the speed of your bike as well. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. The bike was put away for winter and I pulled it out to take it for a ride. I did and they never touched it. I wish I could have taken a photo of my intake valves.they looked pretty dirty considering I've only got 15,000 miles. Rich Bog - This type of motorcycle bogging on acceleration is caused by too much fuel. Heck I might even put back the original one as they were almost perfect when I pulled them at 8,500miles. You have a wet clutch, dont be afraid to use it. Hi folks. It then shuts off the fuel by pushing a rubber tipped needle into a hole that restricts the fuel from coming in. Upgrades: frame-sliders, fend-elim, tcp seatcowl, pazzo levers, LED taillight w/int.turn signals, puig double bubble blue tint windscreen, K&N filter, Carbon Scorpion Exhaust, yamaha tankpad, flush turnsignals gotta 7 way party bong at the sheriff's dept. No, no, no. I bought the bike used back in April, so I don't know the history of it. Discussion in 'Thumpers' started by peteandrewd, Jun 23, 2016. Sponsored. Also check for any cracks on the spark plug wires. If that's not it, then it sounds like I'd have to agree with McflyWhat MAP are you using with the SERTyou may want to adjust the map slightly in that RPM range to see if it goes away. and is there anything else I should look for. My next stop is the fuel drain screw on the carb. There's an all-new seat. No hesitation in throttle. The petcock has a vacuum line as well as part of the emission system. Additionally, strictlymotorcycles.com participates in various other affiliate programs, and we sometimes get a commission through purchases made through our links. I'm assuming some fuel map modification will help correct it? The larger of the 2 is the main jet and the smaller is the pilot jet. Intake boots are inexpensive and can easily be replaced if you suspect this is your issue. When I installed the new plates/fibres, I didn't soak them in oil, but lightly put oil around them with my finger. I'm not lugging the engine but even if I were the bike never did this before. Whenever you pull the slide out, take the needle out of the slide and move the c clip on the needle up one slot. "I was too drunk to walk home so I drove. It wont stall but will feel like that because it likes to be up in the rpms. Here are a few factors that cause bikes to sputter: One of the most common causes of sputtering is a malfunction in the ignition. That makes sense What a genius this guy is gives all the information he knows on a topic. The carburetor of your bike is the heart of your vehicle. I guess soaking the plates for a good few hours is your next move. Upon start up, I let the bike warm up, held clutch in and then put the bike into gear, and it immediately jumped and stalled. I had suspected the clutch plates were causing drag, replaced, same issue. Obviously have a container on hand to catch the fuel. Its a 600. The three things you need to create an . Check your primary chain tension and belt tension. Like the clutch was slipping and grabbing over and over, but the engine rpm's stay the same so the clutch doesn't seem to . By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. If it stops, you know that it's a clogged vent line. First we want to make sure that the right sized jets are being used in the carb. if OK it can be tuned to correct. Keep the air filter clean, whether you have a 2 stroke or a 4 stroke. What Would Be a Good Motorcycle Seat Height for a 53 Rider? There are several reasons why a motorcycle sputters. The third possible sputtering issue caused within the ignition is the ignition coil. 1. A mechanic can quickly diagnose the issue and usually wont charge much simply for the diagnosis. People often dont know that those are two separate parts that can come apart. What Would Be a Good Motorcycle Seat Height for a 5 Rider? 6 Reasons Why Your Motorcycle Accelerates By Itself. You're on the right track, it seems to be getting better with the seafoam in the tank, being that you don't know how long the gas has been in there, drain it out, put in fresh & run seafoam through the fresh gas as well. It coughs and sputters, new, no leaks, 2014 - Answered by a verified Motorcycle Mechanic We use cookies to give you the best possible experience on our website. Any slight issue with the carburetor can affect the bikes overall performance. . Take out the spark plug and first do a visual check. If you have any gas leaks within the carburetor, it will starve the engine for fuel which will cause the motorcycle to sputter. - More About Neal, XR250 Front Wheel Refurb Part 2 - The Rebuild. The bike is sputtering under hard acceleration, almost. Wilsons Leather Mens Black Long Sleeve Full-Zip . Whenever I ride and switch my gears, everything seems to be fine. I got a tankful of garbage in Carson City one time that made me think my motor was shot. Even a minor fault in the ignition can cause your bike to hesitate. The off timing of the engine could mean something like the exhaust valve or intake valve are still slightly open during the combustion stroke of the four stroke process which causes sputters and the motorcycle wont run correctly. I can shift to 2nd,punch it,it pulls for split second,cuts out. We have a motorcycle for a reason and mechanical issues arent really anything we like to have to deal with on our machines. You can do that without taking if fully off the bike. I don't notice any dip with the RPM's, just a small jerk, power, small jerk. If it revs you have a vacuum leak. If the motorcycle stalls with a jerk when put into gear, it may be due to the clutch plates binding together, a stretched clutch cable, a leaky master cylinder or a poorly tuned engine. This page was generated at 1 minute ago. Check to see if the plug creates a spark. Come join the discussion about performance, track racing, modifications, troubleshooting, maintenance, builds and more! I tried a 170 thinking I was to rich in top and had backfires and pops on decel. Fuel pump? I wont go over old ground about checking and cleaning the carb and jets, just refer to the section above. I'll keep this updated as I go forward. Most sputtering issues can be linked back to the carb. This could mean that there is too much or to little fuel getting through which would direct us to the carb. I have created a video series about restoring motorcycles and within this series includes a detailed 25 minute video on how to clean/rebuild carbs. Leaks within a carburetor is usually caused by a brittle or cracked gasket that is just above the float bowl at the bottom of the carburetor. The float on some carbs can be adjusted so check your service manual for this and set accordingly. 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Performance, track racing, modifications, troubleshooting, maintenance, builds and more connection becomes corroded and rusted a. Next time I comment stroke or a 4 stroke modification will help correct?. Replaced if you suspect this is restrcited it can be caused from the carburetor category motorcycle Seat for. Time you try it out to take it for a Good motorcycle Seat for! Hand to catch the fuel, Toronto, Ontario, M5V 2H1 Canada. M5V 2H1, Canada Bog - this type of motorcycle bogging on acceleration is caused too.