Yamaha SR125 1997, Service Manual

Page: 26 / 243

2-6
MAINTENANCE SPECIFICATIONS
SPEC
Item Standard Limit
Crankshaft:
Crank width “A”
Runout limit “C”
Big end side clearance “D”
Big end radial clearance
Small end free play “F” 55.95
X
56.00 mm
SSS
0.35
X
0.65 mm
0.010
X
0.025 mm
0.8
X
1.0 mm
SSS
0.03 mm
1.0 mm
SSS
SSS
Clutch:
Friction plate thickness
Quantity
Clutch plate thickness
Quantity
Clutch spring free length
Quantity
Push rod bending limit
2.9
X
3.1 mm
4 pcs.
1.6 mm
3 pcs.
34.9 mm
4 pcs.
SSS
2.7 mm
SSS
0.05 mm
SSS
32.9 mm
SSS
0.2 mm
Transmission:
Main axle runout limit
Drive axle runout limit
SSS
SSS
0.08 mm
0.08 mm
Carburetor:
Type
I.D. mark
Main jet
(M.J)
Main air jet (M.A.J)
Jet needle (J.N)
Needle jet (N.J)
Cut away (C.A)
Pilot outlet (P.O)
Pilot jet (P.J)
Bypass 1 (B.P.1)
Pilot screw (P.S)
Valve seat size (V.S)
Starter jet 1 (G.S.1)
Starter jet 2 (G.S.2)
Float height (F.H)
Engine idle speed
Intake vacuum
CO
Oil temperature
Y24P
4WP-10
#102
ø1.3
4C9A-3 / 5
2.600
2.25
0.8
#38
1.0
2
ø2.0
#60
#64
28.5 mm
1,250
X
1,350 r / min
180
X
200 mmHg
4.5
X
5.5%
60
X
70
_
C
SSS
SSS
SSS
SSS
SSS
SSS
SSS
SSS
SSS
SSS
SSS
SSS
SSS
SSS
SSS
SSS
SSS
Oil pump;
Type
Tip clearance
Side clearance
Bypass valve setting pressure Trochoid type
0.03
X
0.09 mm
0.10
X
0.15 mm
80
X
120 kPa
(0.8
X
1.2 kg / cm
2
, 0.8
X
1.2 bar)
SSS
0.14 mm
0.35 mm
SSS