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2-2 SERVICE DATA
Service Specifications
Service Limit (mm)
FE120 FE170 FE250Item
Type D Type G Type D Type G Type D Type G
Compression (minimum)
with Recoil Starter 290 kPa
(3 kg/cm
2
, 42 psi)
with Electric Starter 390 kPa
(4 kg/cm
2
, 57 psi)
Cylinder
Bore (maximum) 60.067 66.067 76.070
(2.3648 in) (2.3648 in) (2.9949 in)
Roundness (maximum) 0.056
(0.0022 in)
Boring Size (oversize) 0.50
(0.0120 in)
Crankcase Area
Crankshaft Bearing Bore (maximum) ––– ––– –––
Camshaft Bearing Bore (maximum) 15.063 16.063 20.063
(0.593 in) (0.6324 in) (0.7899 in)
Balancer Shaft Bearing Bore (maximum) ––– 15.063 –––
(0.5930 in)
Oil Pump Housing Bore (maximum) ––– ––– –––
Oil Pump Housing Depth (maximum) ––– ––– –––
Oil Pump Shaft Bearing Bore (maximum) ––– ––– –––
Crankcase Cover
––– ––– –––
Camshaft Bearing Bore (maximum) 15.063 ––– 16.063 ––– 20.063 –––
(0.5930 in) (0.6324 in) (0.7899 in)
Crankshaft
Crankpin Diameter (minimum) 25.944 28.944 33.944
(1.0214 in) (1.1395 in) (1.3363 in)
Crankshaft Journal Diameter
PTO Side (minimum) 19.930 24.930 29.930
(0.7846 in) (0.9815 in) (1.1783 in)
Flywheel Side (minimum) 19.930 24.930 29.930
(0.7846 in) (0.9815 in) (1.1783 in)
Balancer Link Rod Journal (minimum) ––– ––– –––
Shaft Runout: TIR (maximum) 0.05
(0.0020 in)
Axial Play (maximum) 0.5 0.35
(0.0197 in) (0.0138 in)
(standard: 0 ~ 0.24) (standard: 0.03 ~ 0.30) (standard: 0.05 ~ 0.17)
(0 ~ 0.0094 in) (0.0012 ~ 0.0119 in) (0.0020 ~ 0.0067 in)
Camshaft
Camshaft Journal Diameter
PTO Side (minimum) 14.910 19.930 15.910 24.930 19.927 29.930
(0.5870 in) (0.7846 in) (0.6264 in) (0.9815 in) (0.7845 in) (1.1783 in)
Flywheel Side (minimum) 14.910 15.910 19.927
(0.5870 in) (0.6264 in) (0.7845 in)
Cam Lobe Height: Intake, Exhaust (minimum) 26.157 30.024 31.040
(1.0298 in) (1.1820 in) (1.2220 in)
Axial Play (maximum) ––– 0.50 ––– 0.50 0.35 0.35
(0.0197 in) (0.0197 in) (0.0138 in) (0.0138 in)
(standard: (standard: (standard: (standard:
0.08 ~ 0.34) 0.08 ~ 0.34) 0.05 ~ 0.23) 0.05 ~ 0.17)
(0.0031 ~ (0.0031 ~ (0.0020 ~ (0.0020 ~
0.0134 in) 0.0134 in) 0.0091 in) 0.0067 in)