Yamaha F5A - Checking the Crankcase; Checking the Rotor Assembly

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Crankcase
0
1
2
3
4
5
6
7
8
9
10
A
3. Loosen the crankcase bolts d in the
order a, b, and so on, and then remove
the crankcase e, gasket f, and dowels
g.
Checking the crankcase
1. Check the crankcase. Replace if cor-
roded or cracked.
2. Measure the crankshaft journal inside
diameter a.
3. Measure the camshaft journal inside
diameter b.
4. Measure the rotor housing inside
diameter c.
Checking the rotor assembly
1. Check the rotor assembly. Replace if
cracked or worn.
2. Measure the rotor assembly dimensions
a, b, and c.
j
i
h
g
f
e
d
c
b
a
d
e
f
g
d
Crankshaft journal inside diameter a:
25.020–25.041 mm
(0.9850–0.9859 in)
Camshaft journal inside diameter b:
15.000–15.018 mm
(0.5906–0.5913 in)
Rotor housing inside diameter c:
23.130–23.160 mm
(0.9106–0.9118 in)
b
a
c
a
b
c