Yamaha Raptor 90 YFM90RA 2011 Service Manual page 31

Item
Clutch
Clutch type
Clutch shoe thickness
Clutch shoe spring free length
Clutch housing inside diameter
Compression spring free length
Weight outside diameter
Clutch-in revolution
Clutch-stall revolution
V-belt
V-belt width
Transmission
Transmission type
Primary reduction system
Primary reduction ratio
Secondary reduction system
Secondary reduction ratio
Max. main axle runout
Max. drive axle runout
Carburetors
I. D. mark
Main jet
Air jet
Jet needle
Needle jet
Pilot jet
Valve seat size
Fuel level
Engine idle speed
ENGINE SPECIFICATIONS
Automatic centrifugal
4.0 mm
(0.1575 in)
30.5 mm
107.0 ~107.2 mm
(4.21 ~4.22 in)
87.9 mm (3.46 in)
14.9 ~ 15.1 mm
(0.587 ~0.594 in)
2110±140r/min
2350±150 r/min
18.0 mm (0.709 in)
V-belt automatic
2.47~0.61:1
Spur gear
41/15 × 45/13(9.462)
43D100
(M.J) #100
(A.J) 1.0
(J.N) #4T12 1/1
(N.J) 2.090 H5.5
(P.J) #32
(V.S) 1.6
(F.L) 5.0 ~ 6.0 mm (0.20 ~ 0.24 in)
Above the float chamber mating
Surface
1,600 ~ 1,800 r/min
2 - 9
SPEC
Standard
107.5 mm
(4.23in)
17.0 mm
(0.669in)
0.08 mm
(0.0031in)
0.08 mm
(0.0031in)
Limit
----
. 2 0 mm
(0.078 in)
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