User`s manual

UTV500CC User’s Manual www.UTVsFactory.com
34
Idle and low speed
not stable
① Reducer valve blocked or
loose
② Valve channel Blocked
③ Air inlet channel blocked
④ Air inlet bypass Blocked
⑤ Starting pin not closed
completely
⑥ Idle screw not suitable
⑦ Height of floater not correct
Clean or tighten
Clean
Clean
Clean
Adjust
Adjust
Adjust
Not stable in high and
middle speed
① Muzzle blocked
② Main air channel blocked
③ Needle valve blocked
④ Throttle not work well
⑤ Fuel filter blocked
⑥ Height of floater not right
⑦ Starting pin not closed
Clean
Clean
Clean
Adjust
Clean or change
Adjust
Adjust
Spill over or fuel
level fluctuated
① Needle valve worn out or
damaged
② Spring on valve broken
③ Floater not work well
④ Dirt or scale in valve
Change
Change
Adjust or change
Clean
Engine
coolant
temperature is
lower
Cooling System ① Fault on heat sensor switch
on fan
② Cold weather
③ problem on constant
temperature meter
Change
Cover the radiator
Change