Checking The Camshaft Sprocket; Checking The Tappet Covers And Camshaft Sprocket Cover; Installing The Camshafts And Rocker Arms - Yamaha MIO Service Manual

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CAMSHAFT
EAS00207

CHECKING THE CAMSHAFT SPROCKET

1. Check:
• camshaft sprocket
More than 1/4 tooth wear a → Replace the
camshaft sprocket and the timing chain as a
set.
a 1/4 tooth
b Correct
1 Timing chain roller
2 Camshaft sprocket
EAS00212
CHECKING THE TAPPET COVERS AND
CAMSHAFT SPROCKET COVER
The following procedure applies to both of the
tappet covers and O-rings.
1. Check:
• tappet cover
• camshaft sprocket cover
• O-ring
Damage/wear → Replace the defective
part(s).
EAS00219
INSTALLING THE CAMSHAFTS AND
ROCKER ARMS
1. Lubricate:
• camshaft journals
Recommended lubricant
Molybdenum disulfide grease
2. Install:
• camshaft 1
ENG