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Author Topic: Aftermarket Frames For 1975 Yamahas  (Read 2160 times)

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Offline Tahitian_Red

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Aftermarket Frames For 1975 Yamahas
« on: July 17, 2012, 05:10:01 am »
Did Red Line or Pro-Fab make an aftermarket frame for the early mono-shockers?
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The "Factory Novice"
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'74 Suzuki TM100, '75 Bultaco 250 Pursang, '77 Honda XR75, '77 Suzuki RM125B, '77 Yamaha YZ400D, '79 Honda CR250RZ Moto-X Fox Replica, '83 Honda ME480RD Mugen

Offline steveo247

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Re: Aftermarket Frames For 1975 Yamahas
« Reply #1 on: July 21, 2012, 09:34:21 pm »
Ive never seen or heard of one
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Offline Davey Crocket

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Re: Aftermarket Frames For 1975 Yamahas
« Reply #2 on: July 22, 2012, 07:27:13 pm »
I think pro-fab did.....but for the works "OW's" only....I think theres a blurb on Terry Goods site "MXworksbikes".... look up OW13....basically the std frames where breaking at the headstock. A guy in NZ that I know raced  YZ250/360B's for Tim Gibbes said even the production ones broke as the tracks got rougher....he said we always had a welder at the track to repair the frames.
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Offline firko

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Re: Aftermarket Frames For 1975 Yamahas
« Reply #3 on: July 22, 2012, 09:12:19 pm »
I guess my Trackmaster motocross frame to suit the Yamaha YZ125 X/C might fit the bill. It takes the dodgy period monoshock out of the equation, replacing it with a good honest twin shock set up. ;D If anyone did make an aftermarket frame for the mid seventies YZ's it'll be sure to be an American, I vaguely recall  seeing a Pro-Fab or C&J (or perhaps both) monoshock frame.


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'68 Yamaha DT1 enduro, '69 Yamaha 'DT1 from Hell' '69 DT1'Dunger from Hell, '69 Cheney Yamaha 360, 70 Maico 350 (2 off), '68 Hindall Ducati 250, Hindall RT2MX, Hindall YZ250a , Cycle Factory RT2MX flat tracker, Yamaha 1T250J, Maico 250 trials, '71, Boyd and Stellings TM400, Shell OW72,750 Yamaha

mainline

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Re: Aftermarket Frames For 1975 Yamahas
« Reply #4 on: July 22, 2012, 09:31:54 pm »
DG did frames for the 125's

http://www.vintagefactory.com/New%20Index.htm look in the vintage tests section
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Offline steveo247

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Re: Aftermarket Frames For 1975 Yamahas
« Reply #5 on: July 23, 2012, 06:08:35 am »
Quote from: mainline on July 22, 2012, 09:31:54 pm
DG did frames for the 125's

http://www.vintagefactory.com/New%20Index.htm look in the vintage tests section

Nice!
But they dont list it in any of their catalogs, so i recken it might have been a sponsored rider only thing
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Offline Iain Cameron

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Re: Aftermarket Frames For 1975 Yamahas
« Reply #6 on: July 24, 2012, 08:42:44 pm »
No the DG frames where for sale . I have a DG 75 and 76 catalogue some where
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Yamaha tragic ; dt1, rt1, dt2, rt2, dt2mx , rt2mx , mx250, mx360,sc500, 74dt125, yzx125, yzc250, yzc400, yzd250, yzd400, yzh250, yzh80 , dt100 , xr75 ko xr80 03 , it175 82 . Not a member of any club

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Re: Aftermarket Frames For 1975 Yamahas
« Reply #7 on: July 24, 2012, 08:46:25 pm »
Keep scrolling  down Steve, I think there's 2 dg articles.
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