what size is the hi speed jet in a '66 6HP johnson? And can it be upsized? Thanks.
E efmoody3rd Recruit Joined Sep 12, 2013 Messages 2 Sep 12, 2013 #1 what size is the hi speed jet in a '66 6HP johnson? And can it be upsized? Thanks.
F F_R Supreme Mariner Joined Jul 7, 2006 Messages 28,195 Sep 12, 2013 #2 Re: what size is the hi speed jet in a '66 6HP johnson? #41 (.041"), if it has the original carburetor on it. And no it can't be upsized. Well physically it can but it won't run as well.
Re: what size is the hi speed jet in a '66 6HP johnson? #41 (.041"), if it has the original carburetor on it. And no it can't be upsized. Well physically it can but it won't run as well.
