Yamaha FT25B Manual De Servicio página 42

SPEC
Item
Oil ring
Dimensions (B × T)
End gap (installed)
CONNECTING RODS
Small end inside diameter
Big end oil clearance
Big end bearing color
CRANKSHAFT
Crankshaft outside diameter
Main journal clearance
Crankcase mark - bearing color
Crankshaft big end side
clearance
Crankshaft journal clearance
Runout limit
BALANCER
Balancer piston diameter
Crankcase balancer cylinder
inside diameter
Connecting rod inside diameter
THERMOSTAT
Opening temperature
Fully open temperature
Valve open lower limit
FUEL PUMP
Discharge
Pressure
Diaphragm stroke
Plunger stroke
OIL PUMP
Type
Outer rotor-to-housing clearance
Outer rotor-to-inner rotor
clearance limit
Rotor-to-cover clearance
Shaft-to-housing clearance
Relief valve operating pressure
MAINTENANCE SPECIFICATIONS
Worldwide
USA
Canada
mm (in)
B
mm (in)
T
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
˚C (˚F)
˚C (˚F)
mm (in)
L (US gal,
Imp gal)/ hr
@6,000 r/min
(kgf/cm
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
(kgf/cm
FT25BED
Unit
—
T25ER
2.50 × 2.75 (0.098 × 0.108)
0.20 - 0.70 (0.008 - 0.028)
15.985 - 15.998 (0.6293 - 0.6298)
0.020 - 0.052 (0.0008 - 0.0020)
A: Blue B: Black C: Brown
42.984 - 43.000 (1.692 - 1.693)
0.012 - 0.044 (0.0005 - 0.0017)
A: Blue B: Black C: Brown
0.05 - 0.22 (0.002 - 0.009)
0.020 - 0.052 (0.0008 - 0.0020)
kPa
2
, psi)
0.09 - 0.15 (0.004 - 0.006)
0.03 - 0.08 (0.001 - 0.003)
0.006 - 0.034 (0.0002 - 0.0013)
4.12 ± 0.30 (0.0412 ± 0.003, 0.5859 ± 0.043)
kPa
2
, psi)
– 10 –
Model
FT25BET
T25TR
T25TR
0.03 (0.0012)
94.893 (3.7360)
95.018 (3.7409)
68.049 (2.6791)
60 (140)
70 (158)
3 (0.12)
70 (18.5, 15.4)
20 - 40 (0.2 - 0.4, 3 - 6)
3.5 - 5.1 (0.14 - 0.20)
5.85 - 9.05 (0.23 - 0.35)
Trochoid
0.12 (0.005)
E