ENGINE ASSEMBLY ( 2 )
Idler Gear “A” Inside Diameter
1. Use an inside dial indic ator to measure the idler
gear
Idler Gear Inside Diameter mm(in)
Standard Limit
45.0 – 45.03 45.10
(1.7717 – 1.7728) (1.7756)
If the clearance between the idler gear shaft outside
diameter and the idler gear inside diameter exceeds the
limit, the idler gear must be replaced.
Idler Gear Shaft and Idler Gear
Clearance mm(in)
Standard Limit
0.025 – 0.085 0.2
(0.0010 – 0.0033) (0.008)
Idler Gear “B”
Bearing replacement
Use a suitable bar and a bench press or hammer.
Bearing projection amount should be within the spec-
ified height.
mm(in)
Projection 1 0.4 – 0.6 (0.016 – 0.024)
Height 2 23.7 – 24.0 (0.933 – 0.945)
Crankshaft Front Oil Seal Replacement
Oil Seal Removal
Use a plastic hammer and a screwdriver to tap around
the oil seal to free it from the gear case.
Take care not to damage the oil seal fitting surfaces.
TIMING GEAR CASE COVER
Replace the crankshaft front oil seal if it is excessively
worn or damaged.
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