Camshaft Sprocket Inspection; Camshaft / Camshaft Lobe Inspection - Segway VILLIAN SSV Series Service Manual

CYLINDER HEAD, CYLINDER, PISTON CYLINDER HEAD, CYLINDER, PISTON
6 6 3 3
4 4 5 5
8 8 9 9
10 10 7 7

Camshaft sprocket inspection

◆ Check whether the camshaft sprocket teeth are worn
or damaged. If wear or damage is found, replace the
timing chain and sprocket with a new one.

Camshaft / camshaft lobe inspection

◆ Visually check whether the camshaft lobe is worn or
damaged.
◆ Use a micrometer to measure the height of the
camshaft lobe 【D】.
Camshaft lobe height:
exhaust
intake
D D
◆ Visually inspect each camshaft journal for scratches,
wear or damage.
◆ Measure the journal value of the camshaft with a
micrometer and compare with the specifi cation.
22.954 ~ 22.975 mm(0.9036" ~ 0.9045") 22.944 mm (0.9033")
TIPS
If the camshaft is damaged or the amount of wear on
any part exceeds the limit, the camshaft should be
replaced
◆ Assemble the camshaft cover separately to measure
the bore of the camshaft bearing. Tighten the bolts in
the specifi ed order.
1 1
11 11
23.000 ~ 23.021 mm(0.9055" ~ 0.9063") 23.044 mm (0.9072")
12 12
TIPS
If the camshaft bearing bore is damaged or the amount
2 2
of wear exceeds the limit, please replace the cylinder
head assembly
3-5-17
Standard
40.08 ± 0.04 mm
(1.5780" ± 0.0015")
40.36 ± 0.04 mm
(1.5890" ± 0.0015")
Standard
Camshaft cover bolt
10 N • m (1.0 kgf • m, 89 in • lb)
Standard
Limit
39.99 mm (1.5744")
40.27 mm (1.5854")
Limit
Limit