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Boardtracker-ish build

Discussion in 'The Garage' started by barncat, Sep 28, 2017.

  1. 650Skull

    650Skull Dinosaur Lives Top Contributor

    Looks to be a Special swing-arm, the bolt hole for the chain guard is the same. The axle plates have an extra piece welded on the side to take some kind of different adjuster
     
  2. gggGary

    gggGary Stop that! Top Contributor XS650.com Supporter

    Skull I am having access problems also it's not just you. I'm afeared there's a balrog in the woodpile. Will try to reach trav.
     
  3. barncat

    barncat XS650 Addict

    Site seems to be functional now.

    Finished up a few welds and did some planning this afternoon. May do a hand hammered seat pan tomorrow that'll get mounted on three rubber bushings over the triangle.

    Without laying out the math, the 80 profile 19" rear tire circumference will spin .94" less/rev of the countershaft sprocket. So it's a tad lower, but i don't ride interstates... A 90 profile sidewall would have been identical to stock.
     

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  4. barncat

    barncat XS650 Addict

    Mocked up after most design issues solved. Time to make it pretty. Should be a roller soon.
     

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  5. barncat

    barncat XS650 Addict

    Well.......... long layoff on this project. Some real estate to rehab and also did an '89 FZR 1000 cafe build over the winter.

    Beginning reassembly now. As mentioned, going with the classic Gulf paint scheme. Swapped out the tires, refurbished the Marzocchi Strada shocks, put bronze bushings in the swingarm and tapered bearings in the head tube. Axle spacers and custom brake mounting tasks next. Then drop the motor back in frame.
     

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  6. barncat

    barncat XS650 Addict

    Been sidetracked with other stuff and also making some refinements to the Hodaka tank XS build...

    Did finish the various custom brake parts required. Made a stay rod, and master cylinder mount for the rear brake that interfaces with a length of bar stock welded to an OEM brake lever. That lever will be modded later when i build some lowered footpegs. Must put motor back in first.

    Bracket for the front caliper was painstaking... close tolerances if you want it to work well.

    Couldn't get the Marzocchis to stop leaking so ditched those and going with plan B, Chinese shocks that have worked well on previous builds. They're in the mail.
     

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  7. barncat

    barncat XS650 Addict

    Bars installed. Very snug but retains a bit of vibration damping. Will be lopping an inch or so off each end with final control setup.

    Had to make some custom riser spacers to keep bars from hitting tank during U turns. Plus the look mimics the high rise fork tubes to drop the front end. I don't like to cut fork springs down- a shorter spring is a stiffer spring, and there are no real world roads where that's desirable.
     

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    Last edited: Jun 18, 2019
  8. Downeaster

    Downeaster Everything in XS Top Contributor

    That's gonna be a gorgeous bike!
     
  9. barncat

    barncat XS650 Addict

    Thanks. Lotta work to do on the tank yet which will really complete the Gulf look.

    Motor back in frame. 18T sprocket installed and chainline is all good. As expected had to grind away a bit of the rear hub bosses that were interfering with the chain seating properly on the minimum size 40T sprocket.

    Considerable fussing with the Plan B shocks as my frame mods were not designed for them and i was not about to cut and weld my nice finish painted frame or swingarm. Anyhoo, got them safely and accurately assembled to frame and will trust them with whatever this thing can dish out.

    Have a pair of chrome 1 1/2" performance headers on the way from Mike's. They look good online will see... mufflers TBD. Bummed that the stock headers ate too restrictive, have many...

    I scored a great pair of snowmobile 36mm VM's (with chokes) a month ago off eBay for 50 bucks! Went all thru them and brass is all swapped out. More on that later. Must weld up a pair of aluminum intakes first.

    Next up brake lines and controls... and like, a seat. It'll be a hand hammered tractor style piece...
     

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    TwoManyXS1Bs likes this.
  10. barncat

    barncat XS650 Addict

    Made the intakes. They taper from 36mm to 34 and kick out 4 degrees for optimum clearance for the 36mm VMs .

    The 1 1/2" pipes from Mikes are nice. Good fitment, nice chrome, one piece mandrel bends. Probably going to put Emgo short reverse cone mufflers on it which should put it in the 6/10 noise range...
     

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    Downeaster and TwoManyXS1Bs like this.
  11. barncat

    barncat XS650 Addict

    FWIW, i spoke a bit soon on the Mikes pipes being mandrel bends... they aren't. Not a big deal, just didn't study them closely enough with all the chrome...

    The Emgo shorty reverse cones have a baffle plate that restricts flow spot welded in about 6" from the outlet end. Needless to say they had to come out. Easy to do with a good 1 9/16" hole saw and then touch up burrs with a half round file. The oil drain hole on my motor work stand held them perfectly for the surgery .

    I usually modify the stock foot pegs for these builds but in this case I needed to make them custom. There was a hell of a lot of work involved to design the parts for function and clearances shown in the right side rear brake pic.

    Made throttle cables again which is a painstaking process and described in detail in a previous build.

    Gas tank is a Bondo special. Had to fill the emblem cavities as the 4" Gulf decals go there. Acid etched and Redkote internally...
     

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    TwoManyXS1Bs and halfmile like this.
  12. halfmile

    halfmile XS650 Junkie Top Contributor XS650.com Supporter

    874
    2,151
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    kansas
    Where did you get the Gray throttle cable?? Looks great!
     
  13. barncat

    barncat XS650 Addict

    Not sure where the gray cable originated... they were NOS that was in a huge batch of bikes/parts bought 5 years ago. Also, kudos halfmile on your current monoshock build. Very clean.
     

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