Yamaha 4TX-AE1, Service Manual

Page: 29 / 332

2-7
MAINTENANCE SPECIFICATIONS
SPEC
Item Standard Limit
Crankshaft:
Assembly width “A”
Crank width “B”
Runout limit “C”
Big end side clearance “D”
Small end free play “F”
Journal oil clearance 153.6 154.4 mm
64.75 65.25 mm
0.160 0.272 mm
0.8 1.0 mm
0.020 0.038 mm
0.035 mm
0.5 mm
0.1 mm
Balancer:
Balancer drive method Gear
Clutch:
Friction plate thickness
Quantity
Clutch plate thickness
Quantity
Warp limit
Clutch spring free length
Quantity
Clutch release method
2.9 3.1 mm
9
1.9
2.1 mm
8
55 mm
6
Outer pull, rack & pinion pull
2.8 mm
0.1 mm
53 mm
Transmission:
Main axle deflection limit
Drive axle deflection limit
0.08 mm
0.08 mm
Shifter:
Shifter type
Guide bar bending limit Guide bar
0.1 mm
Carburetor:
I.D.mark
Main jet
(M.J)
Main air jet (M.A.J)
Jet needle (J.N)
Needle jet (N.J)
Pilot air jet 1 (P.A.J.1)
Pilot air jet 2 (P.A.J.2)
Pilot outlet (P.O)
Pilot jet (P.J)
Bypass 1 (B.P.1)
Bypass 2 (B.P.2)
Bypass 3 (B.P.3)
Pilot screw (P.S)
4TX 00
#142.5
#60
5EI85-2 / 3
Y-2
#70
1.4
0.9
#45
0.8
0.9
0.8
2.0