Yamaha YXR70FX, Руководство по обслуживанию

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SPEC
ENGINE SPECIFICATIONS
Oil ring
Dimensions (B
×
T) 2.50
×
2.80 mm (0.10
×
0.11 in) ----
End gap (installed) 0.20 ~ 0.70 mm (0.008 ~ 0.028 in) ----
Ring side clearance 0.060 ~ 0.150 mm (0.0024 ~ 0.0059 in) ----
Crankshaft
Crank width “A” 74.95 ~ 75.00 mm (2.951 ~ 2.953 in) ----
Maximum runout “C” ---- 0.030 mm
(0.0012 in)
Big end side clearance “D” 0.350 ~ 0.650 mm (0.0138 ~ 0.0256 in) 1.0 mm
(0.04 in)
Big end radial clearance “E” 0.010 ~ 0.025 mm (0.0004 ~ 0.0010 in) ----
Small end free play “F” 0.16 ~ 0.40 mm (0.0063 ~ 0.0157 in) ----
Balancer
Balancer drive method Gear ----
Automatic centrifugal clutch
Clutch shoe thickness 1.5 mm (0.06 in) 1.0 mm
(0.04 in)
Clutch-in revolution 1,850 ~ 2,250 r/min ----
Clutch-stall revolution 3,500 ~ 4,100 r/min ----
V-belt
V-belt width 33.3 mm (1.31 in) 30.0 mm
(1.18 in)
Transmission
Maximum main axle runout ---- 0.06 mm
(0.0024 in)
Maximum drive axle runout ---- 0.06 mm
(0.0024 in)
Shifting mechanism
Shift mechanism type Shift drum and guide bar ----
Decompression device
Device type Auto decomp ----
Air filter oil grade Foam air filter oil or equivalent oil ----
Item Standard Limit
B
T
C
C
F
D
A
E