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99 johnson

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rustychicken

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just curious if any knows the

just curious if any knows the fuel oil mixture on theses motors.Thank you
 
"Always list the model number

"Always list the model number of the engine when posting OR the exact year and horsepower if known so that we know what engine we're speaking of when giving advice.

However, in this case, knowing when the 9.9hp models came into production, we can safely state that the fuel/oil mixture is 50/1..... one pint of TCW-III 50/1 oil to 6 gallons of gasoline. A gasoline octane rating of 87 will be fine."
 
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