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    '91 70 HP Johnson #2

    I had my '91 70 HP Johnson overhauled in 2001. Bored .030" over, <br />new pistons, carbs cleaned etc. Engine was overhauled due to galling <br />in #2 cylinder. Carbs were not re-jetted. Engine has VRO.<br /><br />The boat is now in the shop and the #2 piston has a pencil sized hole <br...
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    1991 Johnson 70 HP motor dies

    Background: Purchased boat 3 years ago with very low hours on motor. After running well for 1 season, had trouble with motor cutting off while under power. Motor would start fine, but would then lose power and die (usually when I was about 5 miles from the ramp). I used a fiber optic scope to...
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