Lets see your front end swaps!

briandk

Been Around the Block
R6 2002 forks on a Yamaha TR1. Front wheel is Cognito Moto R6 hub laced to a 3.5 inch Sun rim. Fz1 calipers and GSXR 600 K4 rotors.


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sebwiers

New Member
Probably posted before, but WTH. Less a "swap" (though it can be rather easily removed) and more a "scratch build" - a Hossack style front grafted onto a 1981 XJ750 SECA. Is my current daily rider, works amazingly well at chopping up traffic on rough pavement.

https://www.youtube.com/watch?v=NWMHBfMdPks
 

7aliveatlast7

the bearded hessian
2003 triumph speed triple forks going on my 76 cb550.
 

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pidjones

Over 1,000 Posts
'79 CB750F rat bike with '78 GL1000 forks, tripples, headlight ears, brakes. Stem is a drop-in. Goes from 35 to 37mm tubes.
 
82 cb450t with 93 cb750 nighthawk forks (41mms) , rims and a swing arm from a 83 cb450 nighthawk for rear wheel clearance. Tank and bodywork from a 80 cb400t . Engine from a cm450e. Actually a really fun little bike!
 

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DavHJ

New Member
here's my front end swap. 1974 Honda CB750 to 2012 Yamaha R1 front end. I designed the triple trees on Solidworks and CNC machined to look like the stock 1974 top tree.
 

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I swapped my 1981 Yamaha Virago XV750 38mm forks for a 2001 TL1000R 50mm forks. with a virago rear rim conversion for the front rim. first pic is stock front end and the next two are after the swap
black sheep Moto,
I’m building a cafe racer out of an 81’ virago 750 and I purchased a set of GSXR 750 forks but the axle is way bigger then the stock virago and i cant get any machinists around here to turn me down a new one to fit the clamps on the gsxr forks and the wheel hub of the virago. Just curious what you did on your front end as they look very similar to what I have. I just put a rod in to hold the tire on the forks to see how it would look.Thank you in advance.
 

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two-smoker

I reject your reality, and substitute my own!
1973 TX500 with Rebel 450 engine, front end is off 2008 Hyosung GT650R.
 

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briandk

Been Around the Block
black sheep Moto,
I’m building a cafe racer out of an 81’ virago 750 and I purchased a set of GSXR 750 forks but the axle is way bigger then the stock virago and i cant get any machinists around here to turn me down a new one to fit the clamps on the gsxr forks and the wheel hub of the virago. Just curious what you did on your front end as they look very similar to what I have. I just put a rod in to hold the tire on the forks to see how it would look.Thank you in advance.
Check if you can find wheel bearings that have the same OD as the original virago bearings and the same ID as the gsxr axle. You'll need to have spacers fabricated also.
 

TresCuatros

Active Member
Okay, how and the heck did you know to get K75 clamps? That front end is awesome.
Thanks!

I did an absolute boat load of research looking at fork dia, offset, and spacing. There's not too many "wide" (195mm+)clamps with ample offset (55mm+) so I just keep searching and searching until I found a bike from the 80's that had em.
My build thread has a lot of my notes and reference information if you're into that sort of stuff.

I also looked at stem diameters and length and decided a combination of all-balls conversion bearings and some stem lathe work would get the stem adapted to the stock DT3 cups.
 

chickenStripCharlie

Been Around the Block
Thanks!

I did an absolute boat load of research looking at fork dia, offset, and spacing. There's not too many "wide" (195mm+)clamps with ample offset (55mm+) so I just keep searching and searching until I found a bike from the 80's that had em.
My build thread has a lot of my notes and reference information if you're into that sort of stuff.

I also looked at stem diameters and length and decided a combination of all-balls conversion bearings and some stem lathe work would get the stem adapted to the stock DT3 cups.

Nice but WHERE did you find the info? Just reading and reading forums or did you stumble upon a database of triple trees the rest of us arnt aware of?
 

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