tune tips

bearddd29

Cadet
Joined
Feb 6, 2008
Messages
8
does anyone have any tips on tuning my johnson fd16 18hp example when its running it seems ok but there would be away to do high and low and what sparkplug gap is it cheers
 

JB

Honorary Moderator Emeritus
Joined
Mar 25, 2001
Messages
45,907
Re: tune tips

The Champion J4C plugs should be gapped at .030", the fuel mix is 24:1 and the points are set at .020".

"there would be away to do high and low " isn't clear. What are you asking there?
 
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