GENERAL INFORMATION
1-9
DRIVE AND DRIVEN PULLEYS/CLUTCH SPECIFICATIONS
Unit: mm (in)
FINAL REDUCTION SPECIFICATIONS
ALTERNATOR/STARTER CLUTCH SPECIFICATIONS
Unit: mm (in)
CRANKCASE/CRANKSHAFT SPECIFICATIONS
Unit: mm (in)
ITEM STANDARD SERVICE LIMIT
Drive belt width 26.5 (1.04) 25.5 (1.00)
Movable drive face Bushing I.D. 30.024 – 30.057 (1.1820 – 1.01833) 30.08 (1.184)
Boss O.D. 29.995 – 30.031 (1.1809 – 1.1823) 29.98 (1.180)
Weight roller O.D. 22.92 – 23.08 (0.902 – 0.909) 22.5 (0.89)
Clutch Clutch outer I.D. 135.0 – 135.2 (5.31 – 5.32) 135.5 (5.33)
Lining thickness 4.0 (0.16) 1.0 (0.04)
Driven pulley Face spring free length 109.6 (4.31) 106 (4.2)
Driven face boss O.D. 39.965 – 39.985 (1.5734 – 1.5742) 39.94 (1.572)
Movable driven face I.D. 40.000 – 40.025 (1.5748 – 1.5758) 40.06 (1.577)
ITEM SPECIFICATIONS
Final drive oil capacity After draining 0.28 liter (0.30 US qt, 0.25 lmp qt)
After disassembly 0.30 liter (0.32 US qt, 0.26 lmp qt)
Recommended final drive oil Honda "4-stroke motorcycle oil" or an equivalent
API service classification: SG or higher
(except oils labeled as energy conserving on the circular
API service label)
Viscosity: SAE 10W-30
JASO T 903 standard: MA
ITEM STANDARD SERVICE LIMIT
Starter driven gear Boss O.D. 45.660 – 45.673 (1.7976 – 1.7981) 45.615 (1.6778)
Bushing I.D. 25.026 – 25.045 (0.9853 – 0.9860) 25.100 (0.9882)
Starter clutch outer I.D. 62.319 – 62.345 (2.4535 – 2.4545) 62.395 (2.4565)
ITEM STANDARD SERVICE LIMIT
Crankshaft Connecting rod big end side
clearance
0.15 – 0.30 (0.006 – 0.0012) 0.40 (0.016)
Crankpin bearing oil clearance 0.030 – 0.052 (0.0012 – 0.0020) 0.07 (0.003)
Main journal oil clearance 0.020 – 0.038 (0.0008 – 0.0015) 0.07 (0.003)
Crankshaft runout – 0.10 (0.004)
Main journal O.D. 39.982 – 40.000 (1.5741 – 1.5748) 39.976 (1.5739)
Main journal I.D. 45.000 – 45.012 (1.7717 – 1.7721) 45.060 (1.7740)