1991 Johnson Evinrude 9.9 Thru 30 HP Models Service Manual P/N 507946, Page 174Get this manual

1991 Johnson Evinrude 9.9 Thru 30 HP Models Service Manual P/N 507946, Page 174

Quality of the image is intentionally reduced!

Cleaning
to all port edges using ball hone other suitabIe tool
avoid piston cylinder bIock damage, restore the chamfer

avoid personal injury, wear protection and rubber gloves

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