I bought my son a little 4 stroke 50cc dirt bike. It will start and Idol, but when I give it gas it dies. Any help would be appreciated. Thanks.
Mokan Riders Offroad Club
Administrator wrote:I would take the carb apart and clean your pilot jet, if you take your float bowl off it will be the one with the "flat-head" screw head on it, take it out and run a VERY thin wire through it and some carb cleaner. When the quads and bike sit for a while all the sediment from the fuel and fuel tank will settle in the carb and the pilot circuit is VERY tiny so that is where even the smallest things get caught up.
Usually a pilot jet issue will allow the engine to start and idle, sometimes better with the choke on, but when you give it gas it tries to pull through the pilot and blaaaaaaaaaah dies, lol.
If you need any help doing it, post it on the board and someone near you will help you out.
The first pic is where they are typically located, inside a shallow "tube" of sorts, the second pic is what they actually look like
Good luck to ya and let us know if we can help
Geoff
President, Mokan Riders Offroad Club
Administrator wrote:I would take the carb apart and clean your pilot jet, if you take your float bowl off it will be the one with the "flat-head" screw head on it, take it out and run a VERY thin wire through it and some carb cleaner. When the quads and bike sit for a while all the sediment from the fuel and fuel tank will settle in the carb and the pilot circuit is VERY tiny so that is where even the smallest things get caught up.
Usually a pilot jet issue will allow the engine to start and idle, sometimes better with the choke on, but when you give it gas it tries to pull through the pilot and blaaaaaaaaaah dies, lol.
If you need any help doing it, post it on the board and someone near you will help you out.
The first pic is where they are typically located, inside a shallow "tube" of sorts, the second pic is what they actually look like
Good luck to ya and let us know if we can help
Geoff
President, Mokan Riders Offroad Club
Swiper77 wrote:Could be to wide a gap on the plug!
Ruizracing wrote:did you get the bike fixed or did you find out the problem?
Ruizracing wrote:did you get the bike fixed or did you find out the problem?
Swiper77 wrote:There is a gauge that shows exactly but you can do it without it just takes longer:
First eyeball the position of the float.
Set it close to where you think it should be, then screw the bolt back on and turn the gas on
If fuel runs out the overflow tube you will need to raise the needle up.
If fuel doesn't run out the overflow start the bike up and see if it runs. If it does run ride bike at wide open throttle and see if it cuts out if it cuts out and you can let off the throttle for a few seconds and it will then run again, that indicates it is starving the bowl and you need to lower the needle.
Hope this helps
Ruizracing wrote:did you get the bike fixed or did you find out the problem?
Mokan Riders Offroad Club » TECHNICAL DISCUSSION » PARTS & SERVICES NEEDED » 06 Baja 50cc bike idols but when I give it gas it dies
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