Service manual

ENGINE MEASUREMENTS
Page C-12
Engine Shop Rebuild and Parts Manual
Fig. C-11 Piston Ring Gap
1"
(Top)
Ring
end gap
STD.
LIMIT
(Middle)
(0.2~0.4)
(1.0)
Compression
Wiper
* Oil (Bottom)
3 Piece
1 Piece
(0.2~0.7)
0.008~0.016 0.008~0.0160.008~0.0280.008~0.016
0.040 0.040 0.040 0.040
(0.2~0.4) (0.2~0.4)
(1.0) (1.0) (1.0)
(mm)
(mm)
(in)
(in)
Top ring
2nd Ring
(mm)
(mm)
(in)
(in)
(in)
(in)
Oil ring
(mm)
(mm)
(0.20~0.40) (0.15~0.25)
(0.15~0.30)
(0.10~0.60)
(0.20~0.40)
(0.008~0.016) (0.006~0.010)
(0.006~0.012)(0.008~0.016)
(0.20~0.70)
(0.20~0.40)
(0.004~0.024)
(0.008~0.028)
(0.008~0.016)
EH29C
295 CC (64 MM BORE)
EH35C
350 CC (67 MM BORE)
Recommended clearances
for piston ring end gap
3 Piece
1 Piece
* Note: Engines are shipped from the factory with three piece oil rings.
Rebuild rings are special one piece design for convenience.