Axle nut tightening question
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Seasoned HDF Member
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From: East Coast, USA
Axle nut tightening question
While I was recently changing the tires on my 2011 Ultra, I was thinking about the instructions in my factory service manual.
Why does the FSM specify to apply a light coat of anti-seize to the inboard side of the cone nut on the rear axle, but makes no mention of applying anti-seize to the nut on the front axle?
Does it have something to do with being able to set/adjust the belt tension?
Why does the FSM specify to apply a light coat of anti-seize to the inboard side of the cone nut on the rear axle, but makes no mention of applying anti-seize to the nut on the front axle?
Does it have something to do with being able to set/adjust the belt tension?
Last edited by LQQK_OUT; Feb 16, 2023 at 08:48 PM.
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From: Canada Flats
If I understand you correctly , is that it helps the nut spin more freely against the cam when torquing to spec . I also clean and sand the edge of that nut using fine sandpaper on a flat surface to remove any rough spots and burrs that might be there , do the surface of the cam as well .
Using an axle lock like Jim's axle tool helps a lot , it keeps the cams from spinning while torquing . I also made an alignment tool as well , keeps the bike rolling straight as an arrow .
Using an axle lock like Jim's axle tool helps a lot , it keeps the cams from spinning while torquing . I also made an alignment tool as well , keeps the bike rolling straight as an arrow .
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Seasoned HDF Member
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From: East Coast, USA
If the purpose of the ant-seize on the rear axle nut is for torquing to factory specifications, why doesn't the factory have the same requirement on the front axle nut?
Seasoned HDF Member
Joined: Nov 2018
Posts: 10,833
Likes: 6,485
From: Canada Flats
My guess , it's because the front axle doesn't move in a Backward / forward motion , just spins , you tighten the the main axle nut , then apply the two nuts to the clamp , done , whereas , the rear needs the anti seize to help prevent the axle from spinning and putting the cams out of placement . Without the axle lock ( Jim's ) , it makes it more difficult to keep the cams in place while tightening the nut to spec . I used to use a large wrench , but it would just move while I was torquing , now with the tool , it stays in place , keeping the belt tension as is .
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