Installing The Camshaft And Rocker Arms - Yamaha YFM250RX 2008 Service Manual

ROCKER ARM, CAMSHAFT
INSTALLING THE CAMSHAFT AND
ROCKER ARMS
1. Lubricate:
• Camshaft
Recommended lubricant
2. Lubricate:
• Rocker arm
• Rocker arm shaft
Recommended lubricant
3. Install:
• Exhaust rocker arm
• Exhaust rocker arm shaft
NOTE: NOTE:
Make sure the exhaust rocker arm shaft is
completely pushed into the cylinder head.
4. Install:
• Intake rocker arm
• Intake rocker arm shaft
NOTE: NOTE:
• Insert a cylinder head bolt (226 mm)
the hole in the cylinder head and the intake
rocker arm shaft as shown.
• Install the intake rocker arm shaft so that
groove
of the pointed end
inder head.
4-19
ENG
Camshaft
Molybdenum disulfide oil
Camshaft bearing
Engine oil
Rocker arm
Molybdenum disulfide oil
Rocker arm shaft
Engine oil
is horizontal and aligning the notch
with the hole in the cyl-
into