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50 HP evinrude outboard

B

Bruce Ripley

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a friend called me to ask what

a friend called me to ask what was wrong with his outboard he said he has replaced the keyway in the flywheel every time he starts the motor
 
"He rebuilt the carbs, put new

"He rebuilt the carbs, put new coils on, spark plugs and says it starts and runs but when he shuts it off it starts running backwards. And thats when the keyway shears."
 
"Bruce, They do that if you d

"Bruce, They do that if you do not tighten the flywheel nut enough. On that 50HP, the flywheel torque will be a bit more than 100 ft-LB"
 
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