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The hub bearing retaining bolts are 150 ft. lbs the center axle nut primary torque 135 ft.lbs rotate 5-10 times increasing torque by 50 ft.lbs until final torque of 265 ft.lbs is reached
Seems like I answered this one before but I'll answer it again. The Fat Boy did not come with a belt drive primary from the factory. But, just in case you have a belt drive primary, the engine nut at the front primary drive torques to 150-165 foot pounds. The nut on the clutch torques to 60-80 foot pounds left handed. The large front final drive belt pulley torques to 125-150 foot pounds, left handed. You'll need a special tool to hold the front final drive belt pulley to prevent it from turning while applying the torque. Use locktite 271 red on all nuts.
On the front final drive belt pulley, take it off and look inside the pulley and inspect the small splines. If they're worn, the pulley needs to be replaced. Torquing instructions usually comes with the new pulley. They say torque the pulley to 50 foot pounds and then 1/2 hex or something like that. I've seen people have problems with this procedure. If you want to use this procedure, first torque the pulley to 100 foot pounds and then loosen the nut leaving the pulley where it is. Then, follow the instructions that come with the pulley. I've seen the pulley reach the 50 foot pounds of torque before it was fully back against the spacer giving a false torque reading. Needless to say, it will come loose if this happens. Good Luck
The clutch hub nut, the large nut holding the inner and outer clutch hubs on, torques to 110-150 foot pounds. The mainshaft nut that holds the front final drive chain sprocket on torques to 35-65 foot pounds. Engine sprocket nut torques to 150-165 foot pounds. Use two lines of Loctite 271 (high strength, red) on the sprocket shaft. The six small 1/4" nuts that go on the outside of the clutch have no torque specs. The manual says to "tighten nuts until releasing disc bottoms on spacers". Torque them like you would any other 1/4" nut, about 10-14 foot pounds. They should be nylock or self locking type nuts. If not, you can use a drop of Loctite 242 (medium strength,blue) on each threaded stud.
1. If you are speaking of the large yoke nut there is no "torque spec" per say, instead it is a rotational preload-
From Ford manual: Use the special tool to hold the pinion flange while tightening the nut to set
the preload.
Tighten the nut, rotating the pinion occasionally to ensure the differential
pinion bearings are seating correctly. Take frequent differential pinion bearing
preload readings by rotating the pinion with a Nm (inch-pound) torque wrench.
The final reading must be 0.56 Nm (5 lb-in) more than the initial reading taken
during removal.
2. If you are looking for the yoke straps that hold the universal in place to the yoke it is 14ft lb for the 4 bolts.
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