Massimo MSU 300 - Page 24

24
Bad idling
speed of
engine
3. Air route
①Spark plug leaks air
②Combined surface of
cylinder cover or cylinder
body leaks air
③Crankcase leaks air
④Piston ring or cylinder body
has been damaged heavily
⑤Piston ring has broken or
blocked
⑥Air exhaust is bad, muffler
has been blocked
⑦Blending 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
①Surpassing clutch has been
damaged
②Start electric engine has
been locked
③Other machines locking
malfunction, such as
linking pole big head or
gear
④High-pressure wire contacts
badly, leaks electricity or
has been damaged.
⑤Circuit contacts badly
⑥Ignition time is wrong
Adjust Carburetor
Repair or Change
Change
Repair or Change
Repair
Adjust