Tecumseh HH100 Handbook page 71

8 to 18 hp cast iron four cycle engines
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Model
Valve Face Angle
Valve Face Width
Valve Lip Width
Valve Spring Free Length
Valve Guides STD Diameter
Valve Guides Over-Size Dimensions
Diameter Crankshaft Conn. Rod Journal
Maximum Conn. Rod Dia. Crank Bearing
Shaft Seat Dia. for Roller Bearings
Crankshaft End Play
Piston Diameter
Piston Pin Diameter
Width Comp. Ring Groove
Width Oil Ring Groove
Side Clearance Ring Groove
Ring End Gap
Top Piston Land Clearance
Piston Skirt Clearance
Camshaft Bearing Diameter
Cam Lobe Diameter Nose to Heel
Magneto Air Gap
NOTE: All dimensions are in inches and millimeters unless noted.
VH80
U.S.
Metric
45°
45°
.089
2.261
.099
2.515
.06
1.524
1.885
47.879
.312
7.925
.313
7.950
.344
8.738
.345
8.763
1.3750
34.925
1.3755
34.938
1.3761
44.097
1.1865
30.137
1.1870
30.150
None
3.308
84.023
3.310
84.074
.6873
17.457
.6875
17.463
.0950
2.41
.0960
2.438
.1800
4.572
.1900
4.826
.0025
.635
.0030
.076
.010
.254
.020
.508
.0305
.775
.0335
.851
.003
.076
.6235
15.837
.6240
15.850
1.3045
33.134
1.3085
33.236
.006
.152
.010
.254
VH100
U.S.
Metric
o
o
45
45
.089
2.261
.099
2.515
.06
1.524
1.885
47.879
.312
7.925
.313
7.950
.344
8.738
.345
8.763
1.3750
34.925
1.3755
34.938
1.3761
44.097
1.1865
30.137
1.1870
30.150
None
3.308
84.023
3.310
84.074
.6873
17.457
.6875
17.463
.0950
2.41
.0960
2.438
.1800
4.572
.1900
4.826
.0025
.635
.0030
.076
.010
.254
.020
.508
.0305
.775
.0335
.851
.003
.076
.6235
15.837
.6240
15.850
1.3045
33.134
1.3085
33.236
.006
.152
.010
.254
Solid State
69

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