Changing an Open Primary Belt
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Grand HDF Member
Joined: Apr 2014
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From: Monticello, Florida
Changing an Open Primary Belt
I picked up a rock that went through my primary belt. Punched a nice hole in it. Is it possible to change the belt by just removing the crank pulley? What do you use to hold the pulley to torque it properly? Never done this before so, I'm sure I will have several questions. 
Thanks
Thanks
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Grand HDF Member
Joined: Apr 2014
Posts: 3,790
Likes: 3,770
From: Monticello, Florida
The damage is pretty much in the middle of the belt. I know structurally it is sound but, it looks like crap. I have a new belt on the way and I'm doing the change myself just wondering if I have to remove the clutch and hub to make the change. Also not sure about torqueing the pulley since there is not an inner primary to use a block to hold the pulley.
Seasoned HDF Member
Joined: Dec 2010
Posts: 6,849
Likes: 1,389
From: Florida
You can use an impact gun and you don't really need to brace the primary then. I can take my belt on and off without necessarily having to Remove the clutch basket. Your results may vary. It's quite easy though to get it on and off. Which belt drive do you have
Seasoned HDF Member
Joined: Aug 2007
Posts: 8,200
Likes: 3,089
From: NW AR
RTFM is always the best solution. Otherwise, I use an impact gun on the compensator nut when I have one. You can lock the pulleys with a turn buckle on a chain setup, don't see why that wouldn't work with a belt too. Then you can use a giant adjustable wrench if you have to. Lots of ways to get those things off/on.
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Seasoned HDF Member
Joined: Dec 2010
Posts: 6,849
Likes: 1,389
From: Florida
Yes. Exactly. Use blue locktite for the front pulley but. They say red. But I would say blue for the future. Red for the clutch
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Cruiser
Joined: Aug 2011
Posts: 163
Likes: 3
From: Illinois
just pull the motor pulley to slip the belt off and on. torque is 80 ft lb. put it in gear on a rough surface, have somebody stand on the rear brake, tighten between 4-5 grunts, manly grunts like your putting some *** into it
Last edited by CDF346; May 30, 2015 at 10:22 AM.
Road Master
Joined: May 2009
Posts: 1,232
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From: Powder Springs, GA
Not sure if you have changed it yet. I would go to BDL's site and download their instructions. The motor pulley is torque to stock specs which is about 150 ft lbs (sorry cannot remember exactly). As mentioned above you can use the stand on the brake method or make a jam bar or some use impact. I used the jam bar method due to installing quite a few. I can remove the belt on my 1.5 inch belt without pulling the clutch basket. Just soak the belt in very hot water first when putting it back on. IF you do remove the clutch basket you will need a steering wheel puller if it was put on correctly. Those call for the shaft splines to be coated with red loctite. This keeps the splines from washing out. Primo does not call for this but BDL does. Also I watched a 3 inch BDL pulley come off a bike while going down the road due to lack of loctite. Rather impressive to see LOL.