Crankshaft:
Crankshaft assembly
width
(A)
Crankshaft deflection
(0)
Connecting rod big end side clearance (C)
Connecting rod small end deflection
(P)
+ 0 ( 20 +
0.039
in]
56 _
0.05
mm 2.
0.00197
In
0.02 mm (0.0008 in)
0.25
--
0.75 mm (0.010
--
0.030 in)
2.0 mm (0.079 in)
A
D
rc1
D
CLUTCH
SIDE
c:t{r
I~
100 mm (3.9
in)l--~11-ooc--l80
mm (3.1 in)
Crank pin outside diameter x length
Crank pin
type
Crank bearing type
(Left)
x
q'ty
Crank bearing type (Right) x
q'tv
Crank oil
seal
type
(Left) x
q'ty
Crank oil
seal
type
(Right) x
q'tv
Carburetor:
Type
& manufacturer/quantity
1.0. Mark
Main jet (M.J.)
Pilot screw (P.S.)
Throttle valve (Th.V.)
Valve seat (V.S.)
Float height
Idling engine
speed
Lubrication:
Autolube
pump - Color code
Autolube pump -
Minimum
stroke
Autolube pump - Maximum stroke
Autolube pump - Reduction ratio
Autolube pump -
Output
Min./200 strokes
Autolube pump
Output
Max./200 strokes
Autolube
pump
wire free play
Oil tank capacity
Oil grade
C. Drive and track suspencion
Transmission:
Type
Drive ratio
Engagement rpm
Shift
rpm
Primary spring:
Part No.
Color code
1>24
x 55 mm (1)0.945x 2.165 in)
Solid shaft
#6306
special x 1 pc.
#6305
special x 1 pc,
S03-30 x 1 pc,
505-25
x 1 pc,
B032-28
KEIHIN
x 1 pc,
8R401
#108
1-1/4 turns
out
t;;;; 1.0
1>1.4
mm (1)0.055 in)
15
± 2 mm (0.59 ± 0.08 in)
1100
± 100 r/rnin
Pink
0.20
--
0.25 mm (0.0079
--
0.0098 in)
1.65
--
1.87 mm (0.0650
--
0.0736 in)
1/40
0.95
--
1.19 crrr' (0.0321
--
0.0402oz)
7.84'"
8.89 ern" (0.2508
--
0.3006oz)
25 ± 1 mm (0.98 ± 0.04 in) at idle
1.75
YAMALUBE
2-cycle
V-belt automatic centrifugal engagement
3.5:
1
,...,
1 : 1
3100
± 200
r/min
5,700
--
5,800
r/min
90501-50654
No painted
7-2
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