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Harley Risers - Adapter Studs - SM
#495386 07/13/2012 5:04 PM
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I plan to swap out the OEM risers on my 07SM for a set of 4" risers with 1" to 1.5" pullback. H-D risers are a possibility. I prefer not to drill the top tree.

Can anyone recommend a source & specific riser adapter that will work with Harley pattern risers and the SM tree?

Anyone know what size & pitch the 07SM OEM riser studs are?

Re: Harley Risers - Adapter Studs - SM
B02S4 #495387 07/13/2012 9:43 PM
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Fe Butt
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10mm 1.25 if I remember right and the HD should be 1/2" 13 kinda fuzzy but I think those were the threads. I am sure on the 10mm for the stock dia. The rest I am hazy on.


I learned all I need to know about life by killing smart people and eating their brains.
Eat right ,Exercise ,Stay fit, Die Anyway!
Re: Harley Risers - Adapter Studs - SM
The_Dog33 #495388 07/13/2012 10:24 PM
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Yes, HD definitely uses 1/2" - 13; if you're sure on the 10mm for the OEM Triumph riser, that's what I want to know.

Re: Harley Risers - Adapter Studs - SM
B02S4 #495389 07/13/2012 10:27 PM
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Yes, I am 100% sure on the 10mm and about 90% on the pitch being 1.25.


I learned all I need to know about life by killing smart people and eating their brains.
Eat right ,Exercise ,Stay fit, Die Anyway!
Re: Harley Risers - Adapter Studs - SM
The_Dog33 #495390 07/13/2012 10:35 PM
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Super, thanks. after a bit of research it looks like the Kawi 800/1500 Vulcan-Nomad series also uses 10mm riser bolts...

Re: Harley Risers - Adapter Studs - SM
B02S4 #495391 07/13/2012 11:25 PM
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Adapter bolts (1/2x10mm) are out there, I had a set but sold them with a pair of risers web page

Last edited by Ryk; 07/14/2012 3:11 AM.
Re: Harley Risers - Adapter Studs - SM
Ryk #495392 07/29/2012 10:08 PM
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For reference, the OEM riser mount bolts are M10 x 1.25 TP.

Also for reference, Lightning Performance Products LPRBK-KH815 Harley to Kawasaki riser adapters have M10 x 1.5 TP studs on the tree-side.

Re: Harley Risers - Adapter Studs - SM
B02S4 #495393 07/31/2012 9:30 PM
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I remembered the thread vaguely because I machined my adapters out of stainless. The bolts in the riser caps are stainless too to avoid rust.


I learned all I need to know about life by killing smart people and eating their brains.
Eat right ,Exercise ,Stay fit, Die Anyway!

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