For HD plugs Proper gap measurement is 0.038-0.043 in. (0.97-1.09 mm).
SOURCE: picture wiring diagram for 2003 harley fatboy
May I suggest a trip to your local library. Cycle repair books should be in 646 stacks of reference.
Otherwise you can Google for 2003 Clymer Service manuals on the internet.
I think Clymer had electrical diagrams in their books. I doubt that any except the HD service book would have anything about the physical location of the harness, but the pictures in the other books would help you.
SOURCE: 2005 harley fatboy 96ci, primary housing drain
If you can turn the plug out, you can go to a large size plug. If you can't get the plug to come out, take the outer primary cover off allowing the oil to drain out as you remove the outer cover. Sure it's messy but you've got no choice. Now with the cover off, push down on the plug while trying to turn it out. It'll probably come out doing this. Then measure it and get the next size bigger. Tap the hole to the bigger size and install new plug. Good Luck!
Testimonial: "wish you had a p/n for the bigger size plug, that would be awesome."
SOURCE: engine diagram for 88 cubic inch harley davidson
I was able to pull up the complete maintainence book with wiring diagram, parts assembly, torque specs and part numbers by just going to www.1972 flh 80 harley davidson oem.com
SOURCE: Harley wheels
Don't think so. Sportster and Dyna wheels interchange, depending on the year. Check with dealer for the Sporty/Dyna wheels that will fit.
Testimonial: "good answer"
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