Yamaha WR426F Manual De Servcio Del Propietario página 97

MAINTENANCE SPECIFICATIONS (WR400F)
Piston rings:
Top ring
Type
Dimensions (B × T)
End gap (installed)
Side clearance (installed)
2nd ring
Type
Dimensions (B × T)
End gap (installed)
Side clearance
Oil ring
Dimensions (B × T)
End gap (installed)
Crankshaft:
Crank width "A"
Runout limit "C"
Big end side clearance "D"
Small end free play "F"
Balancer:
Balancer drive method
Decompression device:
Type
Cable free play
Air filter oil grade:
Item
T
T
B
T
Standard
B
Barrel
1.2 × 3.5 mm (0.05 × 0.14 in)
0.20 ~ 0.35 mm
(0.008 ~ 0.014 in)
0.030 ~ 0.065 mm
(0.0012 ~ 0.0026 in)
B
Taper
1.00 × 3.35 mm (0.04 × 0.13 in)
0.40 ~ 0.55 mm
(0.016 ~ 0.022 in)
0.020 ~ 0.055 mm
(0.0008 ~ 0.0022 in)
2.0 × 2.9 mm (0.08 × 0.11 in)
0.2 ~ 0.5 mm (0.01 ~ 0.02 in)
61.95 ~ 62.00 mm
(2.439 ~ 2.441 in)
0.03 mm (0.0012 in)
0.15 ~ 0.45 mm
(0.0059 ~ 0.0177 in)
0.4 ~ 1.0 mm (0.02 ~ 0.04 in)
Gear
Manual
5 ~ 9 mm (0.20 ~ 0.35 in)
Engine oil
2 - 24
SPEC
Limit
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0.6 mm
(0.024 in)
0.12 mm
(0.005 in)
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0.9 mm
(0.035 in)
0.12 mm
(0.005 in)
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0.05 mm
(0.002 in)
0.50 mm
(0.02 in)
2.0 mm
(0.08 in)
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