Idles only on choke and try’s to runaway when reving, it has ran-away once.

Why does my blaster not want to idle without choke

  • Carburetor issues

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  • Throttle issues

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If you have a good amount of resistance on kicker when kicking it over than you can (assume) you have good compression. So yes if you know what it should kick like with good compression
 
If you have a good amount of resistance on kicker when kicking it over than you can (assume) you have good compression. So yes if you know what it should kick like with good compression
 
If you have a good amount of resistance on kicker when kicking it over than you can (assume) you have good compression. So yes if you know what it should kick like with good compression
Yeah I have a pretty good amount of resistance when kicking it. I tried using my stock carb and it was olmost impossible to kick. It’s like it’s not able to let out the air or something. After replacing every part on my stock carb it still didn’t work my guess is the float level is all jacked up. I used my new aftermarket carb after replacing the gasket. And it just backfires bad. And is all over the place on reving. I’m going to assume it’s another air leak or the Chinese carburetor pooping out.
 
If you have a good amount of resistance on kicker when kicking it over than you can (assume) you have good compression. So yes if you know what it should kick like with good compression
Either that or I have a lot of resistance from crap in the engine and it just really needs a top end rebuild.
 
Did you measure float height?
Back firing ?thru carb?
If so that is ussualy. Bad or broken reeds. Tips need to seal good.
Flywheel key could be sheared. I would check these 2. You will need the proper puller for the flywheel.they are cheap.
 
Can you borrow a compression gauge.?
An actual number will take the guess work out of it.
 
Did you measure float height?
Back firing ?thru carb?
If so that is ussualy. Bad or broken reeds. Tips need to seal good.
Flywheel key could be sheared. I would check these 2. You will need the proper puller for the flywheel.they are cheap.

Did you measure float height?
Back firing ?thru carb?
If so that is ussualy. Bad or broken reeds. Tips need to seal good.
Flywheel key could be sheared. I would check these 2. You will need the proper puller for the flywheel.they are cheap.
I checked the reeds and they are still perfect. But I noticed the reed cage and intake boot are both warped from over tightening which causes a bad air leak. So I bought v force reads and new intake boot. And figured out the carb had a wrong needle valve float size. So I replaced it and it doesn’t dump gas and should work.
 
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Hmm. I guess you had multiple problems.
Welp, i found another air leak on the plate that connects to the end of the exhaust, not sure If I could seal it with yamabound 4. Or should I have to replace the gasket?