1-S45
F2880, F3680, RCK72-F36, RCK72R-F36, RCK60-F36, RCK60R-F36, WSM
ENGINE
Oil Clearance between Idle Gear 1 Shaft and Idle Gear Bushing
1. Measure the idle gear shaft 1 O.D. with an outside micrometer.
2. Measure the idle gear bushing I.D. with an inside micrometer,
and calculate the oil clearance.
3. If the oil clearance exceeds the allowable limit, replace the
bushing.
If it still exceeds the allowable limit, replace the idle gear shaft 1.
W10301050
Replacing Idle Gear Bushing
(When removing)
1. Press out the used idle gear bushing using an idle gear bushing
replacing tool. (See page “SPECIAL TOOLS”.)
(When installing)
1. Clean a new idle gear bushing and idle gear bore, and apply
engine oil to them.
2. Press in a new bushing using an idle gear bushing replacing tool,
until it is flush with the end of the idle gear.
W10302410
Oil clearance between
idle gear shaft 1 and idle
gear bushing
Factory spec.
0.020 to 0.054 mm
0.0008 to 0.0021 in.
Allowable limit
0.10 mm
0.0039 in.
Idle gear shaft 1 O.D. Factory spec.
25.967 to 25.980 mm
1.0223 to 1.0228 in.
Idle gear bush I.D. Factory spec.
26.000 to 26.021 mm
1.0236 to 1.0244 in.
(A) When Removing (B) When Installing
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