SOURCE: WANT WIRING SCHEAMTIC FOR 1986 HARLEY DAVIDSON
Haynes manuals have the best diagrams i have seen. i use factory manuals for repair, but Haynes manuals for wiring diagrams.
Hope this helps.
SOURCE: need to replace clutch 1986 fxrs harley davidson
replace the old oil with no more then 1 quart of H-D Primary Oil.
SOURCE: Finding fuses for clock and radio on a 1986 Harley
On the earlier models, they didn't use fuses unless they were added on aftermarket stuff generally. They still use the old metal can circuit breakers. They are about 1/2" wide, 1/2' tall, and about 1" long or so. They are usually set in a row under the seat.
SOURCE: how do I replace a drive belt on a 1999 harley
On a Big Twin, you must pull the entire primary drive off the engine.
Disconnect the battery. Take the outer primary cover off the engine. Remove the compensator (engine sprocket) nut. This nut is very tight and has Loctite thread locker on it. 150-165 foot pounds of torque. You'll need to something to lock the chain up so the engine does not turn while loosening or tightening this nut. We use what is called a "locking bar". Remove the small plate with the screw and locknut in the center of the clutch assembly. Remove the mainshaft nut up inside the clutch assembly. It torques to 60-80 foot pounds LEFT HANDED TREADS. Remove the nut from the primary chain tensioner. Grab the compensator sprocket and the clutch assembly and lift the primary drive out of the cover.
Take the small screw out of the center of the jackshaft and remove the starter jackshaft.
From the right side of the bike, remove whatever you have to remove to get to the starter, exhaust pipes or whatever. Disconnect the battery cable and the small wire from the starter. Remove the two bolts holding the starter on inner primary cover.
Go back to the left side of the bike. Remove the four bolts that holds the inner primary to the engine, and the two that hold the primary to the transmission. There's one bolt coming in from the backside that has a braided wire on it on the early models. There may be four bolts holding the inner primary onto the transmission. When you have all the bolts out, the primary will come off easily. If it does not seem to want to come off, you may still have a bolt somewhere. Do not beat on the primary cover with even a rubber hammer. It should come right off.
Now, you'll have to remove the rear wheel, rear shocks, belt guards, and remove the swing arm.
As you can see, it's a pretty involved job on a Big Twin.
Good luck
Steve
SOURCE: how to change drive belt
To change the final drive belt on your Fatboy, first disconnect the battery. You have to drain the primary and remove the cover. Take the engine sprocket nut loose and remove the plate in the center of the clutch assembly. Remove the mainshaft nut that holds the clutch assembly on. This nut has LEFT HANDED THREADS. Then, remove the starter jackshaft. Go the right side of the bike and remove the exhaust system so that you can remove the starter. Then take the inner primary cover off. You may have to remove the front belt drive pulley. Since you're in this far, you may as well remove the pulley if you have the proper tools and replace all the transmission seals behind it. Then, remove the rear wheel and the swingarm. Do not bend the new final drive belt into a radius any tighter than about four inches or you may damage the cords inside the belt. You will need a torque wrench that is capable of applying at least 150 foot pounds of torque to the engine sprocket nut and torqe 60-80 pounds in the LEFT HANDED DIRECTION for the clutch assembly. The front belt drive pulley torques to 150-165 foot pounds as is also LEFT HANDED THREADS and you'll need a "belt pulley locking device" to hold it while you take the large nut off and put it back on. If you plan on doing this job, I would advise the purchase of a service manual as sometimes a picture is worth a thousand words.
Good Luck
Steve
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