Yamaha EF2800i Service Manual page 75

*
**
Check valve face and valve seat
for wear.
GOOD WEAR
Check if there is seizure or wear
on piston, piston ring, or cylinder.
SEIZURE OR
GOOD
WEAR
Check the condition of the throttle
control system.
Refer to "THROTTLE CONTROL
SYSTEM".
TROUBLESHOOTING
Resurface or replace.
Rebore or replace.
3-47
ENG