Lifan Kp mini - shuts off after letting throttle go

Bozo · 06-16-2020, 04:40 PM

Hello all!

I've read through this forum for advice in the past and am at a loss on this one.

So - carb was just cleaned, battery is good and tested. Idles good (goes up and down maybe 100rpm without throttle which I don't think is significant?).

Accelerates fine, doesn't need choke to run, doesnt die on idle. But if I'm going say 30mph and let go of the throttle and shift to neutral the bike will shut off and it is difficult to restart (it will after a few minutes, but usually it starts right away)....

Any ideas or past experiences? I've heard - try replacing spark plugs, try replacing fuel filter, check for vacuum leaks (which honestly I don't know how to do), check to make sure wiring is grounded (doubtful as it's happened before and after replacing the battery), orrrr a carb issue of it running too lean. It does have a good amount of seafoam in the tank currently but I wouldn't think it would cause this shut off...

Any ideas or order to check things would be appreciated! Thanks!

06-16-2020, 04:40 PM	#1
Bozo Join Date: Jun 2020 Posts: 3	Lifan Kp mini - shuts off after letting throttle go Hello all! I've read through this forum for advice in the past and am at a loss on this one. So - carb was just cleaned, battery is good and tested. Idles good (goes up and down maybe 100rpm without throttle which I don't think is significant?). Accelerates fine, doesn't need choke to run, doesnt die on idle. But if I'm going say 30mph and let go of the throttle and shift to neutral the bike will shut off and it is difficult to restart (it will after a few minutes, but usually it starts right away).... Any ideas or past experiences? I've heard - try replacing spark plugs, try replacing fuel filter, check for vacuum leaks (which honestly I don't know how to do), check to make sure wiring is grounded (doubtful as it's happened before and after replacing the battery), orrrr a carb issue of it running too lean. It does have a good amount of seafoam in the tank currently but I wouldn't think it would cause this shut off... Any ideas or order to check things would be appreciated! Thanks!
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