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  #1  
Old 26th May 2020
Turbo Sporty 48 Turbo Sporty 48 is offline
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Default Lengthen Swing-arm Belts Available?

Wanna add an inch or 2 to the swing-arm are longer belts readily available?
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  #2  
Old 26th May 2020
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The Sportsterpedia says you have a 1" wide x 137-tooth final drive belt:
http://sportsterpedia.com/doku.php/t...r_parts_charts

Stock Final Drive Belts:
http://sportsterpedia.com/doku.php/t...o:transfinal01


Here's longer (you'll have to verify suitability for your use):
Drag Specialties - 1 in. W x 139 Tooth Rear Drive Belt - 1204-0064

Drag Specialties - 140-Tooth Drive Belt - 1204-0113 (listed as 24mm wide)

Gates by BDL 140 Tooth 1" Wide Final Drive Belt


BDL Cross-Reference for Final Drive Belts
http://beltdrives.com/wp-content/upl...-Crossover.pdf


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  #3  
Old 26th May 2020
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Is a 139T belt going to add enough length? Needs to be 2" - 4" longer. What's the tooth pitch? I want to say 14mm?
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Old 26th May 2020
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Quote:
Originally Posted by Folkie View Post
Is a 139T belt going to add enough length? Needs to be 2" - 4" longer. What's the tooth pitch? I want to say 14mm?
Yep - 14mm pitch -- You need to halve the length since it needs extra both top & bottom.

Here's another cross-reference:
https://catalog.zodiac.nl/en/catalog...l-drive-belts/


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  #5  
Old 26th May 2020
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Yes. So if the swingarm is going to be 1" - 2" longer, the belt needs to be 2" - 4" longer. That'd be somewhere around 4 - 8 teeth longer.
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  #6  
Old 26th May 2020
Will1250 Will1250 is offline
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Have a look at the various Victory models. Some of them have longer belts of the same pitch. I am in the process of lengthening my swingarm and one of them fits my needs (unfortunately atm I forget which one and I am away from my usual computer with the info, but a bit of research will give you the specs).

Cheers, Will
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Old 26th May 2020
Iron Mike Iron Mike is online now
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If none of the off the shelf items fit your build, try these guys
http://www.bbcarizona.com/
or there are Kamen brg supply in Maine

Your vitals say Maine/Arizona
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  #8  
Old 26th May 2020
Turbo Sporty 48 Turbo Sporty 48 is offline
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Thanks, you guys are great.
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