ENGINE 3-22
VALVE AND SPRING
● Insert the valves, with their stems coated with
(HYOSUNG MOLY PASTE) all around and along
the full stem length without any break.
Similarly oil the lip of the stem seal.
● Insert valve springs, making sure that the close-
pitch end ① of each spring goes in first to rest
on the head. The coil pitch is vary: the pitch
decreases from top to bottom, as shown in the
illustration.
● Fit valve spring retainer, compress spring with a
valve spring compressor and insert cotters.
CYLINDER HEAD
● Fit dowel pins ② to cylinder head, and then
attach new gasket to cylinder head.
HYOSUNG MOLY PASTE
When inserting each valve, take care not to
damage the lip of the stem seal.
CAUTION
Use a new cylinder head gasket to prevent oil
leakage. Do not use the old gasket.
CAUTION
Valve spring compressor : 09916-14510
�
Head
①
Towards
Retainer
Lower seat
②
Summary of Contents for RX 125 -
Page 1: ...SERVICE MANUAL 99000 97100 SERVICE MANUAL HYOSUNG MOTORS MACHINERY INC RX125 RX 125 ...
Page 5: ......
Page 29: ...PERIODIC MAINTENANCE 2 16 ...
Page 94: ...FUEL SYSTEM 4 12 Start motor Piston Cylinder Oil cooler Cylinder head Crankcase Transmission ...
Page 118: ...CHASSIS 6 6 FRONT BRAKE yyy yyy yyy yyy yy yy y y ...
Page 126: ...CHASSIS 6 14 FRONT FORK ...
Page 132: ...CHASSIS 6 20 STEERING STEM ...
Page 143: ...6 31 CHASSIS SUSPENSION Service limit 10 20 mm Service limit 14 20 mm Service limit 10 20 mm ...
Page 150: ...CHASSIS 6 38 SPACER Apply grease to the spacer when installing Super grease A ...