Raptor Forum banner
Cancel

Search Results for ‘valves’

Discussions Showcase Albums Media Media Comments Tags Marketplace

1-3 of 3 Results

Search Tags

# please help me #bigbore #coolant #help #needhelp #raptor700 #se 2020 yamaha raptor 700r se 350 660 660 carb issues 660 reverse issue 660 transmission 700 700 raptor 700r 700rclutch @montana @quadmatic @sixpack557 arizona backfire sputtering barkers big 3 big gun bogging brakes carb carberator carbs cdi choke clutch clutch probs coolant custom dynojet electrical electrical issue engine exhaust flywheel front shocks front sprocket fuel injection fuel pump gytr help hotcam intake jetting k&n knocking maintenance mods monsterquad needhelp no spark no start oil oil change overheating pc5 pcv piston power commander v raptor raptor 250 raptor 350 raptor 660 raptor 660 problem raptor 660r raptor 700 raptor 700 bad noise raptor 700r raptor 90 raptor660 raptor660r raptor700r raptorsuspension rebuild sand quad hill dunes shocks shocks absorbers spark plug sparkissue starter starting issue stator suspension throttle bogging tires transmission tuning wiring wont start yamaha yamaha raptor 660 yamaha raptor 90 yfz 450
  1. Raptor 660 Modifications
    Gonna upgrade to Weisco, KW, or Ferrea valves. Not sure which yet but my question is with stock sized valves either brand, do they all use the same size guides? Is the OD on all the stems the same? I know im going to need to shorten the intake one. Well i found an intake guide already shortened...
    guides kibblewhite stage2 valves weisco
  2. Raptor 350 Discussion
    I have adjusted the valves 4 times cleaned the carburetor 3 times I’ve set the valves to the tighter side and looser side but I have a loud valve noise and it backfires through intake side. At higher rpms it doesn’t backfire but still really loud valve noise I’m ready to drive it off a cliff...
    backfire valves
  3. Raptor 350 Discussion
    So my 350 started blowing back through the carb one morning so I pulled the head and seen that the intake valve isn’t closing all the way. It isn’t bent or stuck in place. When you turn the cam over the rocker opens the valve like it’s supposed to, then when it’s closing it just barely gets...
    350 valves
1-3 of 3 Results
Top