175

OUTBOARDOUTBOARDOUTBOARDOUTBOARDOUTBOARD

Piston Rings are available individually

Model / HP Cyl. Bore size Piston OEM Part # Piston Ring OEM Part # Wrist Pin OEM Part # Circlips OEM Part #

9.9/15 2 2.188 / std. 18-4106 397487 18-3931 386279 N.S.S. N/A 18-4291 3252629.9/15 2 2.208 / .020 18-4116 N/A — N/A N.S.S. N/A 18-4291 3252629.9/15 2 2.218 / .030 18-4126 396574 18-3933 386280 N.S.S. N/A 18-4291 3252629.9/15 2 2.188 / std. 18-4061 387660 18-3931 386279 N.S.S. N/A 18-4291 3252629.9/15 2 2.218 / .030 18-4062 387661 18-3933 386280 N.S.S. N/A 18-4291 32526225-35 2 3.000 / std. 18-4107 392621 18-3910 396377 18-4281 320954 18-4290 31783125-35 2 3.020 / .020 18-4117 N/A 18-3911 396378 18-4281 320954 18-4290 31783125-35 2 3.030 / .030 18-4127 396576 18-3912 396379 18-4281 320954 18-4290 31783135-60 2 & 3 3.187 / std. 18-4125 391798 18-3913 391170, 434107 18-4282 322188 18-4290 31783135-60 2 & 3 3.207 / .020 18-4115 N/A 18-3914 N/A 18-4282 322188 18-4290 31783135-60 2 & 3 3.217 / .030 18-4105 396581 18-3915 391416, 434109 18-4282 322188 18-4290 31783160-75 3 3.000 / std. 18-4124 387284 18-3910 396377 18-4281 320954 18-4290 31783160-75 3 3.020 / .020 18-4114 387285 18-3911 396378 18-4281 320954 18-4290 31783160-75 3 3.030 / .030 18-4104 396583 18-3912 396379 18-4281 320954 18-4290 31783150-70 3 3.187 / std. 18-4063 394461 18-3913 391170, 434107 18-4282 322188 18-4290 31783150-70 3 3.217 / .030 18-4064 398483 18-3915 391416, 434109 18-4282 322188 18-4290 317831

SIERRA PISTON KIT CONTENTS( SEE APPLICATION CHARTS FOR SPECIFIC APPLICATIONS )

APPLICATION CHART ON NEXT PAGE

Features…Features…Features…Features…Features…★ Exact replacement, high silicon content aluminum alloy with the same content and weight.

Eliminates the need to replace all pistons unnecessarily. Replace only the piston(s) required for repair.★ Piston rings, bearings, wrist pins and circlips are all interchangeable with OEM components. Make

repairs simpler, faster, and more economical.★ Sierra pistons do not require additional piston to cylinder wall clearance like competitor’s forged units.

This allows Sierra pistons to use standard break-in and warm-up procedures unlike the competition.★ No one warranties internal engine parts better than Sierra! That’s because we’re confident in our

quality. Compare our quality, coverage and warranty to anyone and you will see why Sierra is theobvious choice for your next repair.

JOHNSON/EVINRUDE (OMC)

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