10-29
HRN216 CAMSHAFT/CRANKSHAFT/ PISTON/CYLINDER
CRANKCASE MAIN JOURNAL I.D.
Measure the crankcase main journal I.D.
If the measurement is more than the service limit, replace the
crankcase.
CRANKSHAFT AXIAL CLEARANCE
Measure the crankshaft axial play before removing the crankcase,
crankcase cover, and rotating assembly.
If the measurement is more than the service limit, inspect the thrust
washer, timing gear, crankshaft, crankcase, and crankcase cover
for wear or damage.
VALVE SPRING FREE
LENGTH/PERPENDICULARITY
Measure the valve spring free length.
If the measured length is less than the service limit, replace the
valve spring.
Measure the valve spring perpendicularity.
If the measured perpendicularity is more than the service limit,
replace the valve spring.
STANDARD: 28.020 – 28.041 mm (1.1031 – 1.1040 in)
SERVICE LIMIT: 28.066 mm (1.1050 in)
STANDARD: 0.15 – 0.65 mm (0.006 – 0.026 in)
SERVICE LIMIT: 1.0 mm (0.04 in)
STANDARD: 30.5 mm (1.20 in)
SERVICE LIMIT: 29.0 mm (1.14 in)
SERVICE LIMIT: 2° max.
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