Yamaha WR45OFR Bicycle User Manual


 
SPEC
2 - 8
MAINTENANCE SPECIFICATIONS
Clutch:
Friction plate thickness 2.92 ~ 3.08 mm
(0.115 ~ 0.121 in)
2.8 mm
(0.110 in)
Quantity 9 ----
Clutch plate thickness 1.1 ~ 1.3 mm (0.043 ~ 0.051 in) ----
Quantity 8 ----
Warp limit ---- 0.1 mm
(0.004 in)
Clutch spring free length 48.4 mm (1.91 in) 47.4 mm
(1.87 in)
Quantity 6 ----
Clutch housing thrust clearance 0.10 ~ 0.35 mm
(0.0039 ~ 0.0138 in)
----
Clutch housing radial clearance 0.010 ~ 0.044 mm
(0.0004 ~ 0.0017 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 Ratchet type ----
Carburetor:
USA
EUROPE,
CDN, AUS, NZ,
ZA
I. D. mark 5TJ1 00 5TJ2 10 ----
Main jet (M.J) #150 #160 ----
Main air jet (M.A.J) ø2.0
----
Jet needle - clip position (J.N) OBDUT-4 OBDUQ-4 ----
Cutaway (C.A) 1.5
----
Pilot jet (P.J) #45 #48 ----
Pilot air jet (P.A.J) #70 #80 ----
Pilot outlet (P.O) ø0.9
----
Pilot screw (example) (P.S) 1-3/4 1-1/2 ----
Bypass (B.P) ø1.0
----
Valve seat size (V.S) ø3.8
----
Starter jet (G.S) #65
----
Leak jet (Acc.P) #70 #50 ----
Float height (F.H) 8 mm (0.31 in)
----
Engine idle speed 1,700 ~
1,900 r/min
----
Intake vacuum 33.3 ~ 38.7 kPa
(250 ~ 290 mmHg,
9.84 ~ 11.42 inHg)
----
Hot starter lever free play 3 ~ 6 mm
(0.12 ~ 0.24 in)
----
Item Standard Limit