Tecumseh HH100 User Manual

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

Tecumseh HH100 Specifications

General

Horsepower	10 HP
Fuel Type	Gasoline
Cooling System	Air-cooled
Ignition System	Magneto
Spark Plug	Champion J8C
Displacement	163 cc (10.0 cu in)