What should the spark plug gap be on my 1959 35 hp johnson thanks for any help Andrew
1 1961 Starcraft Cadet Joined Jun 26, 2011 Messages 11 Jul 3, 2012 #1 What should the spark plug gap be on my 1959 35 hp johnson thanks for any help Andrew
kfa4303 Banned Joined Sep 17, 2010 Messages 6,094 Jul 3, 2012 #2 Re: 1959 35 hp johnson spark plug gap Hi 1961. Your points should be set a .020" and the spark plug gap should be set to .030". Champion J6C, or J8C will work best. Here's a great link that can walk you through an OMC magneto rebuild. Holler if you get stuck. http://www.outboard-boat-motor-repa...on 3 HP 1952-1967 Ignition System Tune-up.htm
Re: 1959 35 hp johnson spark plug gap Hi 1961. Your points should be set a .020" and the spark plug gap should be set to .030". Champion J6C, or J8C will work best. Here's a great link that can walk you through an OMC magneto rebuild. Holler if you get stuck. http://www.outboard-boat-motor-repa...on 3 HP 1952-1967 Ignition System Tune-up.htm
JB Honorary Moderator Emeritus Joined Mar 25, 2001 Messages 45,907 Jul 3, 2012 #3 Re: 1959 35 hp johnson spark plug gap I agree with J6C at .030", but not with J8C. Original spec called for J4J (now J4C)which should be your alternate plug.
Re: 1959 35 hp johnson spark plug gap I agree with J6C at .030", but not with J8C. Original spec called for J4J (now J4C)which should be your alternate plug.