air leak

GoldenMotor.com
  1. S

    Hello everyone! Looking for some answers if you can help!

    So I’ve got a 66/80cc Chinadoll with a stock piston that I’ve windowed out like LA HoverBikes just to a curtain point I liked within the casting, a 2 inch miaowa reed valve kit and an HP carb with a 80 size jet installed. I’ve got a range of #50-85 I’ll say this as a start the bike ran pretty...
  2. M

    Engine wont rev down properly

    I have a 2-stroke china kit and originally I was able to hit the clutch while holding down the throttle and i could let go and it would rev down quickly and idle, but recently even if im not putting any gas on while moving and hit the clutch it revs super high and loud, and i can make it idle...
  3. J

    Engine won’t idle and stops with clutch disengaged

    Problem-first start** -engine won’t idle but runs with 1/2 accelerator with clutch engaged - soon as clutch is disengaged while riding the engine sort of stalls an accelerating does nothing - the engine sounds like it is either starving or flooding maybe ? Things to consider ? -Bike came...
  4. J

    Engine won’t idle and stops with clutch disengaged

    Problem-first start** -engine won’t idle but runs with 1/2 accelerator with clutch engaged - soon as clutch is disengaged while riding the engine sort of stalls an accelerating does nothing - the engine sounds like it is either starving or floodin maybe ? Things to consider ? -Bike came...
  5. neiltannis

    Revving and bogging

    Hey there motor bikers!! Happy new year and all that jazz. I'm banging my head against the wall here on my 3rd build. Starts up great when fully choked, but begins to rev like crazy when choke is switched off. The engine also bogs when throttle is turned. I can't find any air leaks, carb...
  6. Kaden

    Air leak???

    Hey guys, It’s my first post here although I’ve been following threads for a little over a year now and have built 3 motorized bikes in that time the newest one being a bbr tuning frame and mag wheels with a GT5 SkyHawk with shaved down cylinder head, stage 2 CDI, motocross flexy poopoo pipe...
  7. DuctTapedGoat

    Motor races - air leak/no compression and scoring.

    My motor just started racing the other day. I'm super upset about it. :( I swung by my buddies house to use his compression tester, and lo and behold - a whopping 80 PSI. So I'm thinking, bad rings, blown head gasket and got them on order (taking all my cash till payday). I dropped a teaspoon...
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