Spark plug?

[oldcatamount]

I have a 1985 Force 4 hp and can't find the spark plug number. The old plug was a Champion but it was thrown out before I got the numbers from it. Can anyone help me with this?

 

[carholme]

Re: Spark plug?

http://www.crowleymarine.com/mercury-outboard/1222.cfm

Check item 42 under:

POWER HEAD & SUPPORT PLATE

Gerry

 

[jerryjerry05]

Re: Spark plug?

L-86 is what the factory calls for.
Always include any serial#s or model#s

 

[carholme]

Re: Spark plug?

I think if you check you will find that the L86/NGK are compatible plugs, so unless you are doing a historical re-build, either will do.

Gerry