24
Bad
idling
speed
of
engine
3. Air route
①
Spark plug leaks air
②
Combined
surface
of
cylinder cover or cylinder
body leaks air
③
Crankcase leaks air
④
Piston ring or cylinder body
has been damaged heavily
⑤
Piston ring has broken or
blocked
⑥
Air exhaust is bad, muffler
has been blocked
⑦
Blending air is too dense or
thin
Screw spark plug
Clean plane, install
plane and screw nuts
Disassemble box body,
change gasket and screw
bolts
Change piston loop or
cylinder body
Clean or Change piston
loop
Clean and unblock
Adjust carbureter
4.Transmission part
and others
①
Surpassing clutch has been
damaged
②
Start electric engine has
been locked
③
Other machines locking
malfunction,
such
as
linking pole big head or
gear
④
High-pressure wire contacts
badly, leaks electricity or
has been damaged.
⑤
Circuit contacts badly
⑥
Ignition time is wrong
Adjust Carburetor
Repair or Change
Change
Repair or Change
Repair
Adjust
Summary of Contents for MSU 300
Page 1: ...MASSIMO MSU 300 Owner s Manual...
Page 38: ...XUTV300 CIRCUIT DIAGRAM XY300A...
