Cub Cadet MTD 70 Series - Manual (Page 38)

61/65/70/75 Series Horizontal Shaft Engines
32
BREATHER PASSING OIL
Oil level too high
Breather damaged, dirty or
improperly installed
Damaged gaskets, seals
or "O" rings
Excessive RPM or improper
governor setting
Angle of operation too severe
Piston rings not properly seated
or ring end gaps are aligned
LACKS POWER
Air intake obstructed
Lack or lubrication or improper
lubrication
Carburetor improperly adjusted
Exhaust Obstructed
Improper valve lash
Loss of compression (worn rings,
blown head gasket)
Engine Operation Problems