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Tecumseh TVM220 Engine
General Technical Data
Tecumseh TVM220 Engine Specifications
Engine Model ........... Tecumseh TVM220
Engine Type ........... 4-cycle L-head single-cylinder vertical medium frame air-cooled gasoline engine
Number of Cylinders ........... 1
Displacement, cu.in (cc) ........... 21.82 (357.63)
Cylinder Bore, in (mm) ........... 3.31 (84.1)
Piston Stroke, in (mm) ........... 2.53 (64.3)
Rated Engine Power, hp (kW) ........... 8.0 (5.9)
Rated Engine Speed, rpm ........... 3400
Crankshaft ........... Iron alloy
Cylinder ........... Cast iron alloy
Lubrication System ........... Full pressure by positive displacement oil pump
Air Cleaner ........... Paper/poly element
Cooling System ........... Forced air
Ignition System ........... Electronic CDI
Starting System ........... Electric starter w/rewind
Electrical System Rating, Volts ........... 12
Fuel System
Fuel System Type ........... Carburetor
Carburetor Type ........... Float, with choke
Governor Type ........... Mechanical
Fuel Tank Capacity, qts (L) ........... 3.0 (2.85)
Fuel Filter ........... Fine mesh molded into tank
Dimensions and Weight
Overall Length, in (mm) ........... 15.2 (385)
Overall Width, in (mm) ........... 12.1 (306)
Overall Height, in (mm) ........... 13.2 (334)
Net Weight, lbs (kg) ........... 57.0 (25.9)
Tecumseh TVM220 Maintenance Data
Cylinder Block and Valves
Cylinder Bore Inside Diameter (Maximum), in (mm) ........... 3.3130 (84.150)
Cylinder Head (Max. Out of Flatness), in (mm) ........... 0.005 (0.127)
Intake Valve Clearance, in (mm) ........... 0.008-0.012 (0.20-0.31)
Exhaust Valve Clearance, in (mm) ........... 0.008-0.012 (0.20-0.31)
Engine Oil and Filter
Engine Oil Type (Summer) ........... SAE 30, 10W-30
Engine Oil Type (Winter) ........... SAE 5W-30
API Service Classifications ........... SF, SG, SH, or SJ
Oil Capacity, qts (L) ........... 1.02 (0.96)
Air Filter Element Part Number ........... 35403 (Paper)/35404 (Poly)
Carburetor Adjustments
Main Pre-Set ........... 1-1/2 turn
Idle Pre-Set ........... 1 turn
Low Idle Speed, rpm ........... 1500-1700
High Idle Speed, rpm ........... 3400-3700
Ignition System
Spark Plug Type ........... Champion RJ8C
Spark Plug Gap, in (mm) ........... 0.030 (0.762)
Breaker Point Gap, in (mm) ........... 0.020 (0.508)
Timing Dim. BTDC, in (mm) ........... 0.090 (2.286)
Spark Plug Torque, Nm (ft-lbs) ........... 21 (28.5)
Service Intervals
Service Air Cleaner Element ........... Every 25 hours
Change Engine Oil ........... Every 25 hours
Clean Cooling Fins ........... Every 25 hours
Check and Adjust Spark Plug ........... Every 100 hours
Replace Air Cleaner Element ........... Every 100 hours
Check Carburetor Adjustment ........... Every 100 hours
Check and Adjust Valve Clearance ........... Every 200 hours
Replace Spark Plug ........... Every 200 hours
Tecumseh TVM220 Service Specifications
Cylinder Bore (Standard), in (mm) ........... 3.3120 (84.125)
Cylinder Bore (Maximum), in (mm) ........... 3.3130 (84.150)
Cylinder Main Bearing, in (mm) ........... 1.0005-1.0010 (25.413-25.425)
Cylinder Cover/Flange Main Bearing Diameter, in (mm) ........... 1.1890-1.1895 (30.201-30.213)
Valve Clearance, in (mm) ........... 0.008-0.012 (0.203-0.305)
Valve Seat Width, in (mm) ........... 0.042-0.052 (1.067-1.321)
Valve Guide Oversize Dimensions, in (mm) ........... 0.3432-0.3442 (8.717-8.743)
Valve Seat Angle, deg ........... 46
Crankshaft End Play, in (mm) ........... 0.005-0.027 (0.127-0.686)
Crankpin Journal Diameter, in (mm) ........... 1.1860-1.1865 (30.124-30.137)
Crankshaft Magneto Main Bearing Diameter, in (mm) ........... 0.9985-0.9990 (25.362-25.375)
Crankshaft PTO Main Bearing Diameter, in (mm) ........... 1.1870-1.1875 (30.150-30.163)
Camshaft Bearing, in (mm) ........... 0.6230-0.6235 (15.824-15.837)
Connecting Rod Diameter (Crank Bearing), in (mm) ........... 1.1880-1.1885 (30.175-30.188)
Piston Diameter Bottom Of Skirt, in (mm) ........... 3.3090-3.3105 (84.049-84.087)
Ring Groove Side Clearance (1st and 2nd Compession Rings), in (mm) ........... 0.002-0.005 (0.051-0.127)
Ring Groove Side Clearance (Oil Ring), in (mm) ........... 0.001-0.004 (0.025-0.102)
Piston Skirt Clearance, in (mm) ........... 0.0015-0.0040 (0.038-0.102)
Ring End Gap, in (mm) ........... 0.010-0.020 (0.254-0.508)
Tecumseh TVM220 Torque Specifications
Cylinder Head Bolts, ft-lbs (Nm) ........... 16.5 (22.5)
Connecting Rod Bolts, ft-lbs (Nm) ........... 17.5 (24)
Cylinder Cover or Flange (Powerlok), ft-lbs (Nm) ........... 10.5 (14)
Flywheel Nut, ft-lbs (Nm) ........... 40 (54)
Flywheel Nut Ext. Ignition, ft-lbs (Nm) ........... 58 (79)
Spark Plug, ft-lbs (Nm) ........... 21 (28.5)
Ignition Mounting (to Stud), ft-lbs (Nm) ........... 4 (5.5)
Intake Pipe to Cylinder, ft-lbs (Nm) ........... 8.5 (11.5)
Carburetor to Intake Pipe, ft-lbs (Nm) ........... 6 (8)
Muffler Mtg., ft-lbs (Nm) ........... 10 (13.5)
Muffler Mtg. Flanged, ft-lbs (Nm) ........... 6.5 (9)
Magneto Stator To Cylinder, ft-lbs (Nm) ........... 5.5 (7.5)
Recoil Starter (Top Mount), ft-lbs (Nm) ........... 4 (5.5)
Electric Starter To Cylinder, ft-lbs (Nm) ........... 5.5 (7.5)
Electric Starter To Cylinder, ft-lbs (Nm) ........... 8 (11)
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