Search Results for ‘660 carb issues’

Hello everyone, I have a 2005 raptor 660r HMF slip on exhaust and a k/n air intake with spacer plate and no lid. I am having a bogging/backfire issue at mid throttle and then it dies idles fine and can ride fine at WOT carb main jet sized are 175L 180R I am unsure about other jet sizes and what...

Alright so I’m having an “issue”. I was riding the other day and out of the blue my bike started running like crap. Acting like it was running out of fuel, backfiring, sputtering and then completely died. Brought it home and tested compression (180psi), strong blue spark, plug cardboard brown...

We just put a new carb in and have been tuning it but every time we test drive it the needle jets keeps popping out of the diaphragm (the small spring and plastic holder). We have tried switching out the old diaphragm and jets but it keeps popping out and then it just sputters or won't start...

Recently bought a 2001 raptor 660 and it needed a carb cleaning so I cleaned the carb got it running but it only idles probably if the idle screw is almost the whole way in ans when I turn the gas tab off it will slowly start idling higher and higher I made sure the choke wasn’t getting stuck a...

Hello everyone, I am new to the raptor world. I have an 03 660 and when I first got it it was leaking gas out the overflows. I took the carb apart, cleaned the float needles and jets. It now doesn’t leak but I still have no response through the mid section of acceleration.could this be a hole in...

I have to start with this because I suspect this may be part of the problem, unfortunately it has an eBay carb:( the carb is clean though and I’ve messed with the air fuel ratio screws and cleaned up the problem a little bit. The problem is when I get on the gas hard it stumbles at the low rpms...