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Old 09-28-2014, 08:41 PM   #1
jarlenfos
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Default 69 Triumph TR6 Fork Options

Hey all,
We recently purchased a TR6 with a wl springer front end which we have taken off to run on the shovel and are now looking to replace the forks on the triumph with something else. Apart from OEM shocks for that year what other front ends are easily adaptable to the TR6. I've been struggling to find a decently priced OEM front end here in Australia and shipping from the US will cost a fortune. Any ideas?

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Old 09-28-2014, 08:57 PM   #2
VonWegener
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Default Re: 69 Triumph TR6 Fork Options

How about the Sportster, Dyna 39mm narrow glide with 1" stem. You get one of those timkin bearing conversions for your TR6. Fit the races in your neck and exchange the bearings for Timkin #L44643 with 1" I.D. and Bob's yer Uncle.
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Old 09-29-2014, 08:00 AM   #3
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Default Re: 69 Triumph TR6 Fork Options

I put a 39 MM Sporty front end on a Triumph. It fits ok but the stock springs are too stiff for bumpy roads. I didn't look into spring options because it was a low priced swap for a guy.
My current 70 T120 build has a 92 Yamaha FZ600R 38MM front end. It's lighter weight and softer springs than the Sporty front end ...I made the adapters to fit it.

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Old 09-29-2014, 02:53 PM   #4
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Default Re: 69 Triumph TR6 Fork Options

Quote:
Originally Posted by VonWegener
How about the Sportster, Dyna 39mm narrow glide with 1" stem. You get one of those timkin bearing conversions for your TR6. Fit the races in your neck and exchange the bearings for Timkin #L44643 with 1" I.D. and Bob's yer Uncle.
Just to clarify: The 1" stem Harley-spec bearings, L44643, will work with the Triumph races? So, if we already have tapered roller bearings in a Triumph neck with a Triumph front end (late 60's stuff, for example), we don't need to swap out the races to run the Harley bearings?

Thanks.
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Old 09-29-2014, 03:05 PM   #5
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Default Re: 69 Triumph TR6 Fork Options

That is correct. The L44649 (1-1/16" I.D.) and the L44643 (1" I.D.) fit the L44610 races which are stock Big Twin Harley and used with a very thin sleeve in those Triumph Timkin bearing conversion invented by JRC.

So if your Triumph has already been converted to Timkin type roller bearings you can substitute the existing roller bearings for the 1" I.D. L44643 bearing and run 1" stem front ends.
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Old 09-29-2014, 04:51 PM   #6
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Default Re: 69 Triumph TR6 Fork Options

I'd go with a cheap and easy go get a hold of Jap front end and run it until you find a OEM set for a price that suits your pocket.

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Old 09-29-2014, 05:13 PM   #7
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Default Re: 69 Triumph TR6 Fork Options

I am putting a 39mm Sportster (Showa) front end on mine. It was cheap and easy to find. Parts are available everywhere.

They look good too.
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