Tecumseh

Tecumseh Four-Cycle Engines
Light-Frame Models
During the 1950s, the Tecumseh Products Company purchased the Lauson and Power Products engines. Listed below are the various models of the Tecumseh engines and some data regarding them.
Reference
Code
Bore Stroke Diameter
(Cu. In.)
Horse
Power
Model
(Source: Some of the data are from “Small Engines Service Manual”)
A 2-1/8″ 1-3/4″ 6.207 1.7
A 2-1/8″ 1-3/4″ 6.207 2.0
A 2-1/8″ 1-3/4″ 6.207 2.25
B 2-5/16″ 1-3/4″ 7.35 2.25
B 2-5/16″ 1-3/4″ 7.35 2.5
C 2-5/16″ 1-13/16″ 7.61 3.0
D 2-5/16″ 1-27/32″ 7.5 2.25
D 2-5/16″ 1-27/32″ 7.5 2.5
D 2-5/16″ 1-27/32″ 7.5 3.0
E 2-1/2″ 1-13/16″ 8.9 3.2
E 2-1/2″ 1-13/16″ 8.9 3.5
F 2-1/2″ 1-27/32″ 9.06 3.5 ECH90
G 2-5/8″ 1-27/32″ 10.0 ECV100
H 2-5/8″ 1-15/16″ 10.5 4.0 ECV105
I 2-3/4″ 1-15/16″ 11.0 ECV110
J 2-13/16″ 1-15/16″ 12.0 5.0 ECV120
Medium Frame Models
Reference
Code
Bore Stroke Diameter
(Cu. In.)
Horse
Power
K 2-1/2″ 2-1/4″ 11.04 4.0
K 2-1/2″ 2-1/4″ 11.04 4.5
L 2-5/8″ 2-1/4″ 12.176 4.5
L 2-5/8″ 2-1/4″ 12.176 5.0
L 2-5/8″ 2-1/4″ 12.176 5.5
M 2-5/8″ 2-1/2″ 13.53 4.5
M 2-5/8″ 2-1/2″ 13.53 5.5
M 2-5/8″ 2-1/2″ 13.53 6.0

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