MH RYZ 50 Cross C, Service Manual

Page: 49 / 92

RYZ
ENGINE 5-11
REMOVING THE CYLINDER HEAD/CYLINDER ASSEMBLY
Remove the spark plug.
In the order indicated, loosen the four securing nuts on the
cylinder head/cylinder assembly in two or three steps
Remove the four nuts and washers.
Remove the cylinder head and the two O-rings.
Remove the cylinder and the cylinder gasket.
REMOVING THE PISTON
Remove one of the two circlips (1) with a pair of circlip pliers (2).
Remove the gudgeon pin.
Remove the piston.
Remove the needle bearing assembly from the end of the con-
necting rod.
REMOVING THE THERMOSTAT VALVE
Remove the two bolts (1) from the thermostat valve (2).
Remove the thermostat valve.
REMOVING THE TEMPERATURE SENSOR
1)
2)
3)
4)
5)
1)
2)
3)
4)
1)
2)
5
WARNING:
There is a metal gasket to ensure the temperature
sensor (1) remains watertight.
WARNING:
In refi tting, take care to position the breather hole (a) at the
highest point.