The bike has trouble starting and an inconsistent idle. It will ride for a short distance with extra throttle but dies after about 100m.

It ran fine until a few days ago and then these issues started

any suggestion?

 

Greetings, everyone! I have a 2009 KLX250SF with a pumper carb and a DG O-Series performance exhaust as well as an additional 1" DG silencer with a -6db rating. According to DG, this exhaust produces 96 dB on the majority of bikes, or approximately 90 dB overall. I just took a calibrated sound level meter and got 105db at about 7,000 rpm mid throttle... A few questions from everyone who knows better than I as to why it's so different from spec: Is it because I have a 351 now? The packing has not been checked by me. However, even if it were to warn, would it still be that loud? If I swap with someone who has a KLX300 oem exhaust, will I have a noticeable power loss? Are FMF Q4's really 93db? Thanks all. This is my primary puncher. So, basically all things are unknown.



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