Specifications
11
 Crankshaft deflection limit 0.05 mm 10.002 in)
2)
 Con-rod large end clearance
(81
3)
 Width of crankshaft
4)
 Crank pin I.D.
5)
 Crank pin O.D. 
x
 length
Bigend
 I.D.
2)
 Small end I.D.
Others
2)
 Oil seal 
type
$30.m78.19  
(Ball
bearing1
$32.@68-17  
(Rollar
 bearing)
1)
 Clutch type
2)
 Clutch operating mechanism
31 Primary reduction ratio and method
4)
 Primary reduction gear back lash 
(4
 teeth)
Wet, multiple type
Inner push type, screw push system
72/27
 (2.666).  spar gear
5)
 Friction plate
Thickness/Quantity
Wear limit
6)
 Clutch plate
ThicknessKluantity
Warp limit
7)
 Clutch spring
Free length/Quantity
8)
 Clutch housing radial play
9)
 Push rod bending limit
15.
 TRANSMISSION
1)
Type
2)
 Gear ratio: 1st
2nd
3rd
4th
5th
3 mm (0.118 
in)/7
pcs.
2.7 mm (0.106 in)
1.4 mm (0.055 in)/6 pa.
0.05 mm (0.002 in)
34.6 mm Il.362 in)/6 pcs.
0.027-0.081 mm 
(O.OOll-
 0.0032 in)
0.2 mm 10.008 in)
Constant mesh, 
5.speed
 forward
32/13 12.461)
27/17 (1.588)
26120
(
 1.300)
23/21
(1.095)
22/23 
(0.956)
-
177-
Property of www.SmallEngineDiscount.com - Not for Resale










