Yamaha FX140, Service Manual

Page: 50 / 868

2-5
E
SPEC
MAINTENANCE SPECIFICATIONS
Piston ring
Top ring
Type Barrel
Dimension (B
×
T) mm (in) 0.90
×
2.75 (0.04
×
0.11)
End gap (installed) mm (in) 0.38–0.55 (0.0150–0.0217)
Ring groove clearance mm (in) 0.030–0.065 (0.0012–0.0026)
2nd ring
Type Taper
Dimensions
(B
×
T)
mm (in) 0.80
×
2.80 (0.03
×
0.11)
End gap (installed) mm (in) 0.49–0.69 (0.0193–0.0272)
Ring groove clearance mm (in) 0.020–0.055 (0.0008–0.0022)
Oil ring
Dimensions
(B
×
T)
mm (in) 1.50
×
2.60 (0.06
×
0.10)
End gap (installed) mm (in) 0.29–0.59 (0.0114–0.0232)
Ring groove clearance mm (in) 0.040–0.160 (0.0016–0.0063)
Connecting rod
Big end oil clearance mm (in) 0.016–0.040 (0.0006–0.0016)
Bearing color code 1. Brown 2. Black 3. Blue 4. Green
Small end inside diameter mm (in) 17.005–17.018 (0.6694–0.6699)
Crankshaft
Crank width A mm (in) 304.8–306.0 (12.00–12.05)
Deflection limit B mm (in) 0.03 (0.0012)
Crankshaft journal oil clearance mm (in) 0.020–0.057 (0.0008–0.0022)
Bearing color code 1. Brown 2. Black 3. Blue 4. Green 5. Yellow
Throttle body
Type/quantity 40EIS/4
Manufacturer Mikuni
ID mark 60E00
Trolling speed r/min 1,600–1,800
Fuel pump
Pump type Electrical
Output pressure kPa
(kgf/cm
2
, psi)
310–330 (3.1–3.3, 45–47)
Item Unit
Model
FX140
T
B
B
T
B
T
B B B
A