spark plugs
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Stage III
Joined: Jan 2006
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From: Ark
spark plugs
Hi gentlemen....I've packed or misplaced the service manual...78 1200 FXS - Shovel....need new plugs, I know, I know, just pull the old ones out.........they're probably wrong to start with, knowing me. Son "inherited" bike and he wants to know, gulp, searched eva search engine there is, and this is place to come to get the straight skinny...forgot....some head work, cams, been so long I've forgot....can you help me out ? This ole' shovel was a carrot for arriving back from Iraq(Demoltion Construction Engineer)....Gimme a break, I can't find any old paperwork or service manuals. Please respond........ thanks so much, I'm an idiot.... ..........sbmhd
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RE: spark plugs
Another tip.
Points and condenser from an early '60's Chevy six cylinder will work if your are still running points and condensers in your Shovels. It used to be that every podunk auto parts store had them on their shelf so if you were broke down ANYWHERE, you could get up and running again. I'm sure most auto parts stores still carry them but with the advent of electronic ignitions, they might be fewer and farther apart.
Plugs:
'48 -'74
Champion - J12YC
H-D - 2,3,3-4,4,5
'75 - '78E
Champion - N12YC, RN12YC
H-D - 5-6, 5A6, 5R6, 5RL, 5A6A, 5R6A
'78L - '84
Champion - RN12YC
H-D - 5R6A
'84 up (Evo)
Champion - RN12YC
H-D - 5R6A
Plug gap:
'70 through '78 - .028" to .033"
'79 through '83 - .038" to .043"
Points and condenser from an early '60's Chevy six cylinder will work if your are still running points and condensers in your Shovels. It used to be that every podunk auto parts store had them on their shelf so if you were broke down ANYWHERE, you could get up and running again. I'm sure most auto parts stores still carry them but with the advent of electronic ignitions, they might be fewer and farther apart.
Plugs:
'48 -'74
Champion - J12YC
H-D - 2,3,3-4,4,5
'75 - '78E
Champion - N12YC, RN12YC
H-D - 5-6, 5A6, 5R6, 5RL, 5A6A, 5R6A
'78L - '84
Champion - RN12YC
H-D - 5R6A
'84 up (Evo)
Champion - RN12YC
H-D - 5R6A
Plug gap:
'70 through '78 - .028" to .033"
'79 through '83 - .038" to .043"
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