9.9 johnson motor

J

jokrzwld

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Mar 2, 2011
Messages
4
i am new to the motor world so bear with me. my dad gave me a 12 ft. fiberglass boat with a 9.9 hp johnson motor. it is a 1977 the model # is 10R77A and i am wanting to know the correct gas mixture. he never used it so he didnt know. any help would be greatly appreciated
 
B

boobie

Supreme Mariner
Joined
Nov 5, 2009
Messages
20,826
Re: 9.9 johnson motor

50:1 gas oil mix with TCWIII. One pint oil to 6 gal gas.
 
J

jokrzwld

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Joined
Mar 2, 2011
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4
Re: 9.9 johnson motor

okay ty very much i am wanting to get this in the water. the TCWIII is that a brand of oil
 
7

78 mckee

Seaman
Joined
Feb 9, 2009
Messages
59
Re: 9.9 johnson motor

TCWIII is a specification for 2-cycle outboard motor oil. Any brand of 2-cycle outboard motor oil with "TCWIII" on the label will do for your application.
 
J

jokrzwld

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Mar 2, 2011
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Re: 9.9 johnson motor

thank you very much for the info. i am gonna use my muffs to run it before i put it in the water
 
stevo10081984

stevo10081984

Seaman Apprentice
Joined
Jan 16, 2011
Messages
40
Re: 9.9 johnson motor

dont rev it too much w/ the muffs....look up thermal runaway
 
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