Yamaha Scorpio - Page 24

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SPEC
MAINTENANCE SPECIFICATIONS
Crankshaft:
Crank width “A” 69.25 ~ 69.30 mm
Runout limit “B” <0.03 mm>
Big end side clearance “C” 0.35 ~ 0.85 mm
Clutch:
Friction plate: Thickness 2.9 ~ 3.1 mm
Quantity 6 pcs.
Wear limit <2.8 mm>
Clutch plate: Thickness 1.5 ~ 1.7 mm
Quantity 5 pcs.
Warp limit <0.2 mm>
Clutch spring: Free length 34.9 mm
Quantity 4 pc.
Minimum length <33.2 mm>
Push rod bending limit <0.5 mm>
Transmission:
Main axle deflection limit <0.08 mm>
Drive axle deflection limit <0.08 mm>
Shifter:
Shifter type Cam drum and guide bar
Guide bar bending limit <0.025 mm>
Carburetor:
I.D. mark 5BP1 00
Main jet (M.J.) #110
Main air jet (M.A.J.) #120
Jet needle (J.N.) 4EL10-2
Needle jet (N.J.) O-2
Pilot jet (P.J.) #17.5
Pilot air jet (P.A.J. #1) #65
(P.A.J. #2) 1.2
Pilot screw (P.S.) 3
Pilot outlet (P.O.) ø0.8
Bypass (B.P.1) ø0.9
(B.P.2) ø0.8
(B.P.3) ø0.8
Valve seat size (V.S.) ø2.0
Starter jet (G.S.1) #25
(G.S.2) 0.7
Model SX-4
B
B
C
A