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3.14
ENGINE
ENGINE DISASSEMBLY
Cam Chain Tensioner/ROCKER ARM/
CAMSHAFT Removal
1. Remove ignition timing inspection plug from recoil
housing.
To position crankshaft at Top Dead Center (TDC) on
compression stroke:
2. Rotate engine slowly in the direction of rotation watching
intake valves open and start to close.
3. Continue to rotate engine slowly, watching camshaft
sprocket marks and the mark in the timing inspection hole.
4. Align single (TDC) mark on flywheel with projection in
inspection hole, and the cam sprocket pin (facing upward)
aligned with the camshaft to crankshaft center line.
NOTE: The cam lobe should be pointing down and
valves should have clearance at this point.
5. Remove cam chain tensioner plug, sealing washer, and
spring.
6. Remove the two 6x25 mm cam chain tensioner flange
bolts.
7. Tap lightly on tensioner body with a soft face hammer to
loosen and remove tensioner.
Cam Chain Tensioner Inspection
1. Pull cam chain tensioner plunger outward to the end of its
travel. Inspect teeth on ratchet pawl (A) and plunger teeth
(B) for wear or damage.
Advance Marks
Rotation
TDC “T” Mark
CAUTION
The plug is under spring tension. Maintain inward
pressure while removing.
A
B