As an addendum, I agree with monkeybiznez, but check recommended gap with your dealer. Some models/years varied. Don't waste your money on expensive plugs, unless it's a 12:1cr huge stroker with massive cams, head work, 7000+ shift point, etc. Harleys don't have enough compression or RPM range to need $20 plugs. A good copper core or platinum is fine. Replace once a year.
I find NGK, Autolite, AC, Accel in the correct heat range perfectly serviceable.
Harley plugs are made by Champion, so get them from an auto parts store. Couple bucks cheaper. Only thing to watch on Champions is the ground strap is still bent for a .028 to.035 gap. (Ancient machinery???) If your specs call for a .045 or more it will be at an angle, not perpendicular to the center electrode. Not a big deal unless you are after every last HP.
I have used Champion RN12YC since my Harley was new in 2000. They have been completely trustworthy. I check them every 5,000 miles to see how they look. I clean them if they are not burned and reuse them. I replace them at 10,000 no matter what they look like. I do keep an extra set in the saddle bags just in case one should have a failure, and who knows, someday a buddy might need one.
Gap those at .038, apply locktite anti seize to the threads, and torque to 15 lbs.
Ride safe, ride longer.
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: 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.
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SOURCE: How do i change my oil in my 1999 Harley fatboy
From the right side of your bike, look for a large hose coming out of the backside of the oil tank at it's lowest point. Follow the hose down behind the transmission on down to a clip on the lower tube of the frame behind the exhaust pipes. There is a metal plug in the hose. Simply take the hose out of the clip and reroute it below the frame. Remove the plug and the oil tank filler cap and the oil will drain out. Refill with three quarts of 20W50 oil.
Good Luck
Steve
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