SPEC
2-4
Item
Standard
Limit
Crankshaft
Crank width “A”
44.90 ~ 44.95 mm (1.768 ~ 1.770 in)
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Runout limit “C”
0.03 mm (0.0012 in)
0.05 mm
(0.002 in)
(YZ85)
0.08 mm
(0.003 in)
(YZ85LW)
Big end side clearance “D”
0.20 ~ 0.70 mm (0.008 ~ 0.028 in)
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Small end free play “F”
0.5 ~ 1.2 mm (0.020 ~ 0.047 in)
2.0 mm
(0.08 in)
Clutch
Clutch type
Wet, multiple disc
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Clutch release method
Inner push, cam push
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Clutch cable free play (at the end of
the clutch lever)
10.0 ~ 15.0 mm (0.39 ~ 0.59 in)
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Friction plates
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Thickness
2.9 ~ 3.1 mm (0.114 ~ 0.122 in)
2.7 mm
(0.106 in)
Plate quantity
7
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Clutch plates
Thickness
1.8 ~ 2.2 mm (0.071 ~ 0.087 in)
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Plate quantity
6
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Max. warpage
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0.1 mm
(0.004 in)
Clutch springs
Free length
33.0 mm (1.30 in)
31.0 mm
(1.22 in)
Spring quantity
5
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Clutch housing thrust clearance
0.10 ~ 0.35 mm (0.0039 ~ 0.0138 in)
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Clutch housing radial clearance
0.022 ~ 0.051 mm (0.0009 ~ 0.0020 in)
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ENGINE SPECIFICATIONS
