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1st January 2020
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Biker
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Join Date: Jun 2019
Posts: 17 Sportster/Buell Model: XLCH Sportster/Buell Year: 1972
Reputation: 10

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Rear / front hub inner bearing spacer lengths - Help!
Hey all,
I picked up a basket case 70 XLCH that has an earlier K model conical front hub/drum. Both of these hubs came to me empty I've got all the bits except for the inner bearing spacers.
I can't for the life of me find the length of these spacers, in the manual, by searching part numbers, forums, etc. Lots of posts of people asking for the length but no responses.
The rear spacer part number is 41185-63
The front spacer part number is 43740-52
I'm in Australia and while these parts are relatively cheap to order from the US, the shipping is around $60-$80.
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1st January 2020
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XL FORUM TEAM MEMBER
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Join Date: May 2017
Location: Lubersac/France
Posts: 1,751 Sportster/Buell Model: 1200c Sportster/Buell Year: 2005
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This may help..... possibly, to make your own spacers.
http://sportsterpedia.com/doku.php/t...imken_bearings
__________________
"Procrastination is the thief of time"................90's Harley ad.
"Don't wait for your ship to come in, swim out and meet the bloody thing".................Barry Sheene.
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1st January 2020
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Custom Bike Builder
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Join Date: Dec 2014
Location: Phoenix
Posts: 2,292 Sportster/Buell Model: xlch Sportster/Buell Year: 1964 Sportster/Buell Model #2: XLCH IR EFI Sportster/Buell Year #2: 1971 Other Motorcycle Model: BMW K1200RS Other Motorcycle Year: 2001
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Install one side bearing and measure from inner race to the opposed bearing seat on the hub. Take into account the protrusion differrence between inner race and outer and do the math. I believe the inner race should be proud of the outer by a few thou.
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1st January 2020
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XL FORUM TEAM MEMBER
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Join Date: Jul 2008
Posts: 10,212 Sportster/Buell Model: 1200s Sportster/Buell Year: 2001 Sportster/Buell Model #2: xlch Sportster/Buell Year #2: 1974
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easier to work with pvc pipe
install both bearings, measure inner race to inner race. cut pvc pipe about .020 longer, install and check, file off the end till you get a good fit, probably around .005 which will move each side out .0025 which should give enough clamp force for the race. then make steel spacer.
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1st January 2020
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Senior Master Custom Bike Builder
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Join Date: Jun 2008
Location: Cornelius, OR
Posts: 9,507
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I make the spacer or cut down as needed and add shims (shovelhead) to set the endplay on the bearings.
V Twin 42-2024 thru 42-2031 for 3/4" axle w/Timken bearings.
__________________
Ryder Rick "I know right from wrong, but sometimes, wrong feels right"
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