151
POWERHEAD
CRANKSHAFT, PISTONS AND CAMSHAFT
7
Remove circlip and washer from camshaft timing
gear.
Remove no. 1 gear and spring plate.
Cleaning/Inspection
IMPORTANT:
If cracks, excessive wear, or other
damage is found on any component, replace com-
ponent.
Camshaft
Inspect cam face and journals for pitting,
scratches, wear, or damage. If any of these condi-
tions are found, replace camshaft.
Use a micrometer to measure the cam height. If
measurement is outside service limit, replace
camshaft.
Inspect decompression parts (rope start models).
If abnormal movement is found, replace camshaft.
1.
No. 1 gear
2.
Spring plate
005705
1.
Circlip
2.
Washer
005706
1.
No. 1 gear
2.
Spring plate
005707
1
2
2
1
1
2
1.
Cam height
005708
Cam Height Specifications
Standard
Service Limit
IN
1.2961 – 1.3024 in.
(32.921 – 33.081 mm)
1.2922 in.
(32.821 mm)
EX
1.2961 – 1.3024 in.
(32.921 – 33.081 mm)
1.2922 in.
(32.821 mm)
1.
Decompression parts
005709
1
