Yamaha YZ85( P) /LC, Owner'S Service Manual

Page: 72 / 508

SPEC
2 - 5
MAINTENANCE SPECIFICATIONS
Crankshaft:
Crank width “A” 44.90 ~ 44.95 mm
(1.768 ~ 1.770 in) ----
Runout limit “C” 0.03 mm (0.0012 in) 0.08 mm
(0.003 in)
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:
Friction plate thickness 2.9 ~ 3.1 mm
(0.114 ~ 0.122 in) 2.7 mm
(0.106 in)
Quantity 7 ----
Clutch plate thickness 1.8 ~ 2.2 mm (0.071 ~ 0.087 in) ----
Quantity 6 ----
Warp limit ---- 0.1 mm
(0.004 in)
Clutch spring free length 33.0 mm (1.30 in) 31.0 mm
(1.22 in)
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) ----
Clutch release method Inner push, cam push ----
Shifter:
Shifter type Cam drum and guide bar ----
Guide bar bending limit ---- 0.05 mm
(0.002 in)
Kickstarter:
Type Kick and mesh type ----
Carburetor:
Type/manufacturer PWK28/ KEIHIN ----
I. D. mark 5PA1 00 ----
Main jet (M.J) #138 ----
Jet needle-clip position (J.N) NBKF-2 ----
Main nozzle (N.J) ø3.4 ----
Cutaway (C.A) 3.0 ----
Pilot jet (P.J) #45 ----
Pilot air screw (example) (P.A.S) 2 ----
Starter jet (G.S) #62 ----
Float height (F.H) 18 ~ 20 mm (0.71 ~ 0.79 in) ----
Item Standard Limit