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Old May 22nd, 2008, 10:58 PM
allareguilty allareguilty is offline
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Default 1983 25 HP Mercury Outboard F/O ratio
I am needing to know the Fuel/Oil Ratio for a 1983 25 HP Mercury with the serial number 6287092. Also is there are website to download an owners manual for this motor? Thanks in advance!!

JW
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Old May 22nd, 2008, 11:48 PM
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DRIFTER_016 DRIFTER_016 is offline
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Default Re: 1983 25 HP Mercury Outboard F/O ratio
You can order manuals direct from Mercury.

https://appcenter.mercurymarine.com/...rm.jsp?type=ob
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Old May 23rd, 2008, 02:31 PM
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Default Re: 1983 25 HP Mercury Outboard F/O ratio
Fuel mixture is 50:1
1 pint oil to 6 gal gas.
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