Installing The Camshaft And Rocker Arms - Yamaha MT-03 Service Manual

Above 0.081 mm (0.0032 in)
defective part(s).
Rocker-arm-to-rocker-arm-shaft
clearance
0.009-0.037 mm
(0.0004-0.0015 in)
<Limit>: 0.081 mm (0.0032 in)
EAS00220
INSTALLING THE CAMSHAFT AND
ROCKER ARMS
1. Install:
• Bearing "1"
(onto the camshaft)
NOTE:
• Apply engine oil to the bearing.
• Install the bearing so that the seal is facing "a"
the camshaft.
Installed depth "b"
0 mm (0 in)
2. Lubricate:
• Camshaft
• Decompressor lever pin
• Decompressor lever
Recommended lubricant
Camshaft
Molybdenum disulfide oil
Camshaft bearing
Engine oil
3. Install:
• Decompressor lever pin "1"
• Decompressor lever "2"
NOTE:
Install the decompressor lever pin "1" and de-
compressor lever "2" in the camshaft "3" as
shown in the illustration.
ROCKER ARMS AND CAMSHAFT
Replace the
1
a b
5-18
2
4. Install:
• Camshaft "1"
NOTE:
Install the camshaft on the slot "a" facing up.
5. Lubricate:
• Rocker arm shafts
Recommended lubricant
Engine oil
6. Install:
• Exhaust rocker arm "1"
• Exhaust rocker arm shaft "2"
• Intake rocker arm
• Intake rocker arm shaft
NOTE:
• Use a slide hammer bolt "3" to install the rock-
er arm shaft.
• Make sure the rocker arm shaft (intake and
exhaust) is completely pushed into the cylin-
der head.
Slide hammer bolt
90890-01083
1
3
a
1