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Model
Crankshaft:
Crank width "A"
Crank width "B"
Crankshaft deflection "C":
Measuring points:
Connecting rod big end side clearance "D"
Connecting rod small end free play "F"
Big end bearing:
Type
Small end bearing:
Type
Crank pin:
Crank pin outside diameter
Connecting rod:
Small end diameter
Big end diameter
Reed valve:
Material
Thickness
<Bending limit>
Stopper height
Carburetor:
Type/quantity
Manufacturer
I.D. Mark
Main jet
Pilot jet
Pilot air jet
Pilot outlet
Bypass 1
Bypass 2
Pilot screw
Throttle valve
Valve seat size
Starter jet
Float height
Fuel level (from the bore center)
Engine idle speed
MAINTENANCE SPECIFICATIONS
59.95 X 60.00 mm (2.360 X 2.362 in)
199.75 X 200.25 mm (7.86 X 7.88 in)
C
Below 0.03 mm (0.0012 in)
1
C
, C
Below 0.04 mm (0.0016 in)
2
3
C
Below 0.05 mm (0.0020 in)
4
1
97.0 mm (3.82 in)
2
93.0 mm (3.66 in)
0.25 X 0.75 mm (0.01 X 0.03 in)
0.8 X 1.0 mm (0.03 X 0.04 in)
Needle bearing
Needle bearing
23.987 X 24.000 mm (0.9444 X 0.9449 in)
24.995 X 25.008 mm (0.9841 X 0.9846 in)
31.010 X 31.023 mm (1.2209 X 1.2214 in)
Steel
0.19 X 0.21 mm (0.007 X 0.008 in)
<0.6 mm (0.024 in)>
9.4 X 10.0 mm (0.37 X 0.39 in)
B38-34/1 pcs.
MIKUNI
84R01 (for U.S.A./Canada)
86R01 (for Europe)
(M.J)
#141.3
(P.J)
#90
(P.A.J)
ø0.8
(P.O)
ø1.2
(B.P. 1)
ø0.7
(B.P. 2)
ø0.8
(P.S)
1-1/4 turns out
(Th.V)
#130
(V.S)
ø1.5
(G.S)
ø1.4
12 X 16 mm (0.47 X 0.63 in)
(F.H)
49 X 51 mm (1.93 X 2.01 in)
(F.L)
1,200
8-4
SPEC
VK540E
100 r/min
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