XJ600 pre Diversion Cafe Racer Project

parkinmj · L Plate Warrior Joined: 03 May 2009 Karma :

I have recently been given a running 1991 Yamaha XJ600 which immediately screamed Cafe Racer project to me,

The frame will be stripped , cleaned, and powder coated, the engine will have the same treatment and a refresh. but i want the thing to handle well so Im thinking an R6 5EB front end and Swing arm allowing me to run a 120/70 on the front and a 180/60 or 180/55 on the rear.

Does anybody know of where i can find out the steering stem dimensions for the XJ AND THE R6 and if it would be a straight forward swap or would it need the stems swapping over etc?

Cheers

Parkin

biker_bob · Derestricted Danger Joined: 16 Jul 2014 Karma :

Have you looked up the bearings for both of them? Comparing the bearings on-line should be easy enough to do and will let you know if it's possible at least.

Bob

jjdugen · World Chat Champion Joined: 03 Jun 2011 Karma :

https://www.clubchopper.com/forums/metric-chopper-talk/77043-jap-bikes-fork-tube-sizes-neck-bearings-axle-diameters.html

There y' go.
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sidewinder · World Chat Champion Joined: 24 Aug 2011 Karma :

sidewinder · World Chat Champion Joined: 24 Aug 2011 Karma :

sickpup · Old Timer Joined: 21 Apr 2004 Karma :

How are you going to space out the front sprocket?

Vincent · Banned Joined: 16 Oct 2006 Karma :

Are you sure the top part of the R6 swingarm won't be clouting the XJ frame?
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temeluchus · World Chat Champion Joined: 01 Oct 2008 Karma :

i think the xj600 only has a 2.75-3.00" wide rear rim. Be fun getting such a wide rear to work assuming the swinger will even fit.
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Moo. · World Chat Champion Joined: 11 Jan 2009 Karma :

As sidewinder said, its its the same dimensions as the never XJ600 diversion it would open options up..

Here are the common FZR600 and YZF600 swaps for the 600 diversion..

https://xjrider.com/viewtopic.php?f=11&t=881

https://xjrider.com/viewtopic.php?f=11&t=1842
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parkinmj · L Plate Warrior Joined: 03 May 2009 Karma :

Cheers for all the replies,

I'm thinking of chopping the back end and mounting a different sub frame and rear end, not decided which yet, but i never thought about the swing arm catching :S

Thanks for all the links too Smile

i will keep you all updated.

cheers

Parkin

sickpup · Old Timer Joined: 21 Apr 2004 Karma :