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Author Topic: xs650 Sumotrack  (Read 7292 times)

Offline Eleganten

  • Posts: 113
Re: xs650 Sumotrack
« Reply #10 on: Apr 21, 2017, 19:03:05 »
Looking forward to seeing this one roll! Dose the swing arm or frame require any modification to fit, except the shock mount?


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Offline Rat_ranger

  • Posts: 162
Re: xs650 Sumotrack
« Reply #11 on: Apr 21, 2017, 23:18:08 »
I had to remove 10mm from each side of the swingarm.  A standard US spec 1990 fzr400 swingarm would be simplest as the frame would need 5mm removed on each side.
Xs650

Offline Rat_ranger

  • Posts: 162
Re: xs650 Sumotrack
« Reply #12 on: Apr 28, 2017, 15:50:02 »
So one side of the hub adapter is almost complete.  Just needs the holes drilled and tapped for bolts.  And the forks arrived, once I finish the hub I will probably make a new stem to use the xs bearings rather than trying to mix and match.
Xs650

Offline danejurrous

  • Posts: 443
Re: xs650 Sumotrack
« Reply #13 on: Apr 28, 2017, 15:55:13 »
Yeah, definitely following this one..
81 GS750L - "it was my intention to "beat the 'L' out of it" - Buzznichols
79 xs650 Special II (chopping block)
82 xr500r
02 GSF1200S Bandit

Offline Rat_ranger

  • Posts: 162
Re: xs650 Sumotrack
« Reply #14 on: Apr 29, 2017, 17:41:47 »
Just need to drill and tap a few holes and the cb550 front hub will use the bearings and spacers from a 2012 zx6r, and a ducati rotor.
Xs650

Offline Popeye SXM

  • Posts: 56
  • Also used for MX
Re: xs650 Sumotrack
« Reply #15 on: Apr 29, 2017, 19:06:17 »
I'm in
I like what you'r doing. Keep posting us pics

Offline Supergyro

  • Posts: 55
Re: xs650 Sumotrack
« Reply #16 on: Apr 29, 2017, 21:53:54 »
Looks like you've got a solid plan. In.

Offline Rat_ranger

  • Posts: 162
Re: xs650 Sumotrack
« Reply #17 on: Apr 30, 2017, 01:36:20 »
Thanks for the interest everyone.  I run CNC mills for work and my little atlas lathe is how I stay in practice on manual machining.  I picked it up about 2 years ago for $500 and it was a steal.  It is big enough to be fairly capable, but depth of cut is limited so progress can be slow. 

 You don't need big and fancy to get good results, patience and working within the machines limits does the trick. 
Xs650

Offline Rat_ranger

  • Posts: 162
Re: xs650 Sumotrack
« Reply #18 on: May 02, 2017, 13:30:29 »
It appears I made the hub adapters right.  Zx6 bearings and spacers, ducati rotor, r6 caliper and it all lines up.  I'm pretty happy since the one rotor to rotor measurement I could find online was probably done with a tape measure and the rest was based off measuring the bearings, seals, and internal spacer.
Xs650

Offline Rat_ranger

  • Posts: 162
Re: xs650 Sumotrack
« Reply #19 on: May 12, 2017, 13:25:53 »
Seems I now have a kawasaki front end on an old yamaha.
Xs650