Spark plug types

All ignition related articles
Post Reply
bonham3
Posts: 32
Joined: Sat Aug 21, 2004 9:52 pm
Location: Massachusetts

Spark plug types

#1

Post by bonham3 » Fri Aug 05, 2005 10:50 pm

Hello

Quick one here.
48 through 50 Panhead, Besides harley 3-4 spark plug
what type on Champion, NGK, Autolite etc. ???
Champion #'s would be fine. Correct gap ?

Thank's Ron Bonham3



panhead
Site Admin
Posts: 2471
Joined: Wed Dec 12, 2001 9:17 pm
Bikes: 1954 FL
Location: Holland

#2

Post by panhead » Sat Aug 06, 2005 10:47 am

NGK: Part No. Standard R5670, Plug Gap .030

Autolite (1948 - 1974): standard 4275, Premium MP4275 gap: 0.25

Champion: J-12Y or J-12YC

rigidpanman
Posts: 119
Joined: Fri Jul 01, 2005 2:44 pm
Bikes: 49 fl,71 honda 750 sohc k1,98 cbr600f3,2)gl1100 goldwings
Location: hopewell va
Contact:

#3

Post by rigidpanman » Mon Aug 08, 2005 1:18 pm

you can also run the autolite number 75 plug,it fits older chrysler big blocks and older as in 60`s era chevys also,been runnin em for ever and have not had any problems.

Post Reply

Return to “Ignition”