Service manual

SPEC
2-4
Item Standard Limit
Crankshaft
Crank width “A” 44.90 ~ 44.95 mm (1.768 ~ 1.770 in) •
• •
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) •
• •
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 •
• •
Clutch release method Inner push, cam push •
• •
Clutch cable free play (at the end of
the clutch lever)
10.0 ~ 15.0 mm (0.39 ~ 0.59 in) •
• •
Friction plates •
• •
Thickness 2.9 ~ 3.1 mm (0.114 ~ 0.122 in) 2.7 mm
(0.106 in)
Plate quantity 7 •
• •
Clutch plates
Thickness 1.8 ~ 2.2 mm (0.071 ~ 0.087 in) •
• •
Plate quantity 6 •
• •
Max. warpage •
• • 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 •
• •
Clutch housing thrust clearance 0.10 ~ 0.35 mm (0.0039 ~ 0.0138 in) •
• •
Clutch housing radial clearance 0.022 ~ 0.051 mm (0.0009 ~ 0.0020 in) •
• •
ENGINE SPECIFICATIONS