ENGINE 3-32
CAM CHAIN TENSIONER
• Install the cam chain tensioner
1
and washer
2
.
• Tighten the cam chain tensioner bolt
3
to the specified
torque.
"
Cam chain tensioner bolt: 8 N·m (0.8 kgf-m, 6.0 lb-ft)
CYLINDER
CYLINDER DISTORTION
Check the gasketed surface of the cylinder for distortion with a
straightedge and thickness gauge, taking a clearance reading at
several places as indicated. If the largest reading at any position
of the straightedge exceeds the limit, replace the cylinder.
Cylinder distortion:
Service Limit: 0.05 mm (0.002 in)
\
09900-20803: Thickness gauge
CYLINDER BORE
Measure the cylinder bore diameter at six places.
If any one of the measurements exceed the limit, overhaul the
cylinder and replace the piston with an oversize piston, or
replace the cylinder.
Cylinder bore:
Service Limit: 48.105 mm (1.8939 in)
\
09900-20530: Cylinder bore gauge set
PISTON AND PISTON PIN
PISTON DIAMETER
Using a micrometer, measure the piston outside diameter at the
place 10 mm from the piston skirt end as shown. If the measure-
ment is less than the limit, replace the piston.
Piston diameter:
Service Limit: 47.880 mm (1.8850 in)
Piston oversize: 0.5 mm (0.02 in)
\
09900-20202: Micrometer (25 – 50 mm)
10 mm
(0.4 in)
