TECUMSEH

MODEL REFERENCE CHARTS

STD.

PISTON

INTAKE

EXHAUST

CONNECTING

MODEL

TYPE

BORE

ASSEMBLY

RINGS

SIZE

VALVE

VALVE

ROD

SIZE

MUFFLER

DESC.

ECH90

A

2.500

-

7-03724

Std.

7-03035

-

7-03863

Std.

7-03665

Bolt-On

ECV100

All

2.625

-

7-03726➀

Std.

7-03035➀

-

7-03863➀

Std.

7-03655➀

Bolt-On

ECV105

All

2.625

-

7-03726

Std.

7-03035

-

7-03857

Std.

-

-

ECV110

All

2.750

-

7-03721

Std.

7-03035

-

7-03857

Std.

-

-

ECV120

All

2.812

-

7-03728

Std.

7-03035

-

7-03857

Std.

-

-

H22

F

2.3125

-

-

Std.

7-03035

-

7-03863

Std.

7-03651

/2" MPT

1

7-03665

Bolt-On

H25

All

2.3125 -

-

Std.

7-03035

-

7-03863

Std.

7-03651

/2" MPT

1

7-03655

Bolt-On

7-03665

Bolt-On

7-03666

/4" FPT

3

H30

F-Up

2.3125 -

-

Std.

7-03035

-

7-03863

Std.

7-03665

Bolt-On

7-03651

Bolt-On

H30

F-J

2.500

-

7-03724

Std.

7-03035

-

7-03863

Std.

7-03651

Bolt-On

7-03666

/4" FPT

3

H35

F-N

2.500

-

7-03724

Std.

7-03035

-

7-03863

Std.

7-03651

/2" MPT

1

7-03655

Bolt-On

7-03665

Bolt-On

7-03666

/4" FPT

3

H35

P

2.500

-

7-03724

Std.

7-03035

-

7-03857

Std.

7-03655

Bolt-On

7-03666

/4" FPT

3

H35

R-Up 2.500

-

7-03724

Std.

7-03035

-

7-03857➀

Std.

7-03651

/2" MPT

1

7-03863➀

Std.

7-03665

Bolt-On

H50

J-K

2.625

7-03846

7-03726

Std.

-

7-03037

-

-

7-03664

/4" MPT

3

7-03675

Bolt-On

7-03666

/4" FPT

3

H60

J-Up

2.625

7-03846

7-03726

Std.

-

7-03037

7-03867

Std.

7-03664

/4" MPT

3

H70

All

2.750

-

7-03721

Std.

-

7-03037

7-03864➂

Std.

7-03664

/4" MPT

3

7-03666

/4" FPT

3

7-03670

1" FPT

7-03675

Bolt-On

H80

Thru

3.062

7-03727

Std.

-

7-03037

7-03864➂

Std.

7-03659

Bolt-On

D

7-03664

/4" MPT

3

HH40

E

2.500

7-03724

Std.

-

7-03037

-

-

7-03664

/4" MPT

3

-

7-03675

Bolt-On

HH50

All

2.625

7-03846

7-03726

Std.

-

7-03037

-

-

7-03664

/4" MPT

3

7-03666

/4" FPT

3

7-03675

Bolt-On

HH60

All

2.625

7-03845

7-03726

Std.

-

7-03037

7-03867

Std.

7-03675

Bolt-On

7-03666

/4" FPT

3

HH70

All

2.750

-

7-03721

Std.

-

7-03037

7-03864➂

Std.

7-03675

Bolt-On

7-03666

/4" FPT

3

HH80

All

3.312

7-03838

7-03785

Std.

-

-

-

-

7-03664

/4" MPT

3

7-03670

1" FPT

HH100

All

3.312

7-03838

7-03785

Std.

-

-

-

-

7-03664

/4" MPT

3

7-03670

1" FPT

HH120

All

3.500

7-03839

7-03786

Std.

-

-

-

-

7-03670

1" FPT

HH140

All

3.312

7-03838➀

7-03785

Std.

-

-

-

-

7-03670

1" FPT

2.625

7-03846➀

Std.

HH150,

160

All

3.500

7-03839

7-03786

Std.

-

-

-

-

7-03670

1" FPT

➀ May not fit all applications, please refer to product picture for identification.

➂ For engines with 1.186 Crank Journals

Dash (-) indicates product not available or not used

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