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SPEC
ENGINE SPECIFICATIONS
Oil ring
Dimensions (B × T) 2.00 × 2.25 mm (0.079 × 0.089 in) ----
End gap (installed) 0.20 ~ 0.70 mm (0.008 ~ 0.028 in) ----
Crankshaft
Crank width “A” 45.45 ~ 45.50 mm (1.789 ~ 1.791 in) ----
Max. runout “C” ---- 0.03 mm
(0.0012 in)
Big end side clearance “D” 0.15 ~ 0.45 mm (0.0059 ~ 0.0177 in) ----
Big end radial clearance “E” 0.004 ~ 0.014 mm (0.0002 ~ 0.0006 in) ----
Clutch type
V-belt automatic ----
Automatic centrifugal clutch
Clutch shoe thickness 3.0 mm (0.12 in) 1.0 mm
(0.04 in)
Clutch shoe spring free length 30.6 mm (1.20 in) ----
Clutch housing inside diameter 112 mm (4.41 in) 112.5 mm
(4.43 in)
Compression spring free length 74.3 mm (2.93 in) 70.6 mm
(2.78 in)
Weight outside diameter 15 mm (0.59 in) 14.5 mm
(0.57 in)
Clutch - in revolution 2,150 ~ 2,550 r/min ----
Clutch - stall revolution 4,200 ~ 4,800 r/min ----
V-belt
V-belt width 18.2 mm (0.72 in) 17.2 mm
(0.68 in)
Transmission
Transmission type V-belt automatic ----
Primary reduction system Helical gear ----
Primary reduction ratio 47/15 (3.133) ----
Secondary reduction system Spur gear ----
Secondary reduction ratio 42/13 (3.231) ----
Operation Centrifugal automatic type ----
Single speed automatic 2.399 ~ 0.829:1 ----
Item Standard Limit
B
T
C
C
D
A
E
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