Engine Top End; Cylinder Head Removal; Cylinder Removal - Suzuki RM85 Owner's Service Manual

ENGINE TOP END

CYLINDER HEAD REMOVAL

• Remove the frame covers and seat. (5-2)
• Remove the radiator covers and fuel tank. (5-2)
• Remove the muffler. (5-2)
• Drain engine coolant. (12-3)
• Loosen the clamp and disconnect the radiator hose 1.
• Remove the spark plug cap 2 and spark plug 3.
• Remove the cylinder head 4.
NOTE:
Loosen the cylinder head nuts diagonally to prevent cylinder
head distortion.

CYLINDER REMOVAL

• Remove the cylinder head. (above)
• Remove the exhaust pipe. (5-2)
• Remove the cylinder head O-rings 1 and 2.
• Remove the exhaust valve rod cover 3 and gasket.
• Remove the bolt 4 and disconnect the exhaust valve rod.
Set the pin A, provided with machine, to the lever
before loosening the bolt 4. Loosening the bolt with-
out setting the pin can damage the valve shaft arm
spring.
CAUTION
CYLINDER, PISTON AND EXHAUST VALVE 6-3