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SPEC
Item
Standard
Limit
ENGINE SPECIFICATIONS
Rocker arm/rocker arm shaft
Rocker arm inside diameter 10.000 ~ 10.015mm …
(0.3937 ~ 0.3943in)
Rocker arm shaft outside diameter 9.981 ~ 9.991mm …
(0.3930 ~ 0.3933in)
Arm-to-shaft clearance 0.009 ~ 0.034mm …
(0.0004 ~ 0.0013in)
Connecting rod
Connecting rod length 93.45 ~ 93.55mm …
(36.791 ~ 36.831in)
Small end inside diameter 15.015 ~ 15.028mm …
(0.591 ~ 0.592in)
Crankshaft
Width A 45.45 ~ 45.50mm …
(1.789 ~ 1.791in)
Maximum runout C … 0.03mm
(0.0012in)
Big end side clearance D 0.15 ~ 0.45mm
(0.006 ~ 0.018in)
Big end radial clearance E 0 ~ 0.01mm (0 ~ 0.0014in) …
Clutch
Clutch type Automatic centrifugal …
Clutch shoe thickness 3.2mm ~ 3.5mm (0.13~0.14in) 2.0mm
(0.079in)
Clutch shoe spring free length 28.5mm (1.12in) …
Clutch housing inside diameter 120mm (4.72in) 120.5mm
(4.74in)
Compression spring free length 108mm (4.25in) …
Weight outside diameter 20mm (0.79in) 19.5mm
(0.77in)
Clutch-in revolution 2700 ~ 3300r/min …
Clutch-stall revolution 5150 ~ 6150r/min …
V-belt
V-belt width 22mm (0.87in) 19.8mm
(0.78in)
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