Yamaha YFM4FAR, Руководство по обслуживанию

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2 - 8
SPEC
2nd ring
Type Taper ----
Dimensions (B
×
T) 1.2
×
3.6 mm
(0.04724
×
0.1417 in)
----
End gap (installed) 0.40 ~ 0.60 mm
(0.0157 ~ 0.0236 in) 0.95 mm
(0.0374 in)
Side clearance 0.03 ~ 0.07 mm
(0.0012 ~ 0.0028 in) 0.13 mm
(0.0051 in)
Oil ring
Dimensions (B
×
T) 2.8
×
2.8 mm
(0.1102
×
0.1102 in)
----
End gap (installed) 0.2 ~ 0.7 mm
(0.0079 ~ 0.0276 in) ----
Crankshaft:
Crank width “A” 62.95 ~ 63.00 mm
(2.4783 ~ 2.4803 in) ----
Runout limit C1 ---- 0.03 mm
(0.0012 in)
C2 ---- 0.03 mm
(0.0012 in)
Big end side clearance “B” 0.25 ~ 0.75 mm
(0.0098 ~ 0.0295 in) 1.00 mm
(0.0394 in)
Big end radial clearance “E” 0.010 ~ 0.025 mm
(0.0004 ~ 0.0010 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 1,960 ~ 2,240 r/min ----
Clutch-stall revolution 3,300 ~ 3,900 r/min ----
Item Standard Limit
B
T
B
T
E
A
B
C1
C2
MAINTENANCE SPECIFICATIONS