hey guys had a look at a cbr250rr 2day and im pretty keen however at idle the revs are a bit jumpy. they dont settle at one spot. it dosnt idle from 2k for 4k or nothing but just under 2 to just over 2. when the bike is revved say to 4000rpm there is no jumpyness and everything is fine, no flat spots etc.
the owner said the previous owner had put in cbr400 cams or something like that. definantely said there were bigger cams. and the bike has a yoshi pipe. just wondering if a tune would fix this idle and if the cause of the idle is the bigger cams..
also wat else could this problem be.
cheers. moey
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