gas for 2-stroke 20hp

S

sbeausol

Seaman Apprentice
Joined
Mar 9, 2005
Messages
30
recently aquired a 1992 Johnson 20hp outboard. The previous owner always used 93 octane gas -- should I continue with that, or can I go down to 87?
 
D

DJ

Guest
Re: gas for 2-stroke 20hp

87 octane mixed with TCW-3 rated outboard oil at a ratio of 50:1 (one pint to six gallons).<br /><br />Premium fuel is NOT needed in an outboard. Actually, it can be detrimental. It burns cooler and leaves more deposits, an outboards nemesis.
 
S

sbeausol

Seaman Apprentice
Joined
Mar 9, 2005
Messages
30
Re: gas for 2-stroke 20hp

should I be concerned? The motor seems to be in mint condition... used for 10 seasons, probably has around 300 hours on it
 
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