Specifications

85
Piston Ring Installation
Piston ring orientation: Compression rings may have either an inside chamfer or an outside notch. Inside chamfers
always face up towards the top of the piston. Outside notches, which are generally the second compression ring
always face down towards the skirt of the piston.
Top View Side View
The following are the two types of ring expanders used by Tecumseh:
This expander is always used behind the second
compression ring.
This expander is always used behind the oil control
ring.
EMISSION RINGS
2ND COMPRESSION RING
1ST COMPRESSION RING
3RD OIL CONTROL RING
CHAMFER
3RD OIL CONTROL RING
1ST COMPRESSION RING
2ND COMPRESSION RING
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