RM125 slight throttle delay

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9/9/2017 6:58 AM

I got a 2007 RM125 full FMF pipe and it runs good but I noticed its their is a very slight delay, I want the bike to vroom vroom right when I hit the throttle and even though the delay is very very short its annoying me. Any one have suggestions on how to tune to fix this? Please only suggest if you actually know what you're talking about.


9/9/2017 12:11 PM

There will almost always be a lag at low rpms. It is caused by the engine going lean when the throttle is snapped open at low rpms. You can try going one step bigger on the pilot jet size.
There should be almost no lag at upper rpms.

Paw Paw