Suzuki RM125 - Engine Top End; Cylinder Head Removal; Cylinder Removal

CYLINDER, PISTON AND EXHAUST VALVE 6-3
ENGINE TOP END
CYLINDER HEAD REMOVAL
• Remove the seat. (5-3)
• Remove the fuel tank. (5-3)
• Drain engine coolant. (12-3)
• Disconnect the radiator hose 1.
• Disconnect the spark plug cap 2 and remove the spark plug
3.
 09930-10121: Spark plug wrench set
• Remove the engine mounting plates 4.
• Remove the cylinder head 5.
NOTE:
Loosen the cylinder head nuts diagonally to prevent cylinder
head distortion.
CYLINDER REMOVAL
• Remove the cylinder head. (above)
• Remove the exhaust pipe. (5-3, -4)
• Remove the radiator covers 1 and mounting bolts (LH and
RH).
• Remove the radiator hoses 2 and 3.
• Remove the cylinder head O-rings 4 and 5.
• Remove the exhaust valve rod cover 6 and gasket.