Author Topic: powerdyne  (Read 2653 times)

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Offline Iain Cameron

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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

Offline Andrew L

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Re: powerdyne
« Reply #1 on: September 06, 2014, 09:22:07 AM »
I recon that's you Ian go for it.
"You have not made any mistakes if you find extra pieces after assembling an object. In fact you have just found a way to make the object more efficient."

Offline Iain Cameron

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Re: powerdyne
« Reply #2 on: September 06, 2014, 05:06:39 PM »
Talking with Uncle Firko and He told me they were built in Taiwan as a direct copy of the RT2mx motor  but 10cc lower at 350cc . firko says they were a good bit of gear there is a bloke in Vic with a Cpl of them .
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

Offline g465b

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Re: powerdyne
« Reply #3 on: September 06, 2014, 07:07:54 PM »
PDV were selling 6 models in 73.  Mtb 125 and TRC125  2 stroke 4sp. rotary disc valve trail and road/trail bikes. 360 Gringo mx and
360 enduro and 2  mini's. the mx was 352cc 5sp. 7port reed valve  Betor forks and shocks  55inch w/base  215lbs  chromemoly frame
(champion frame copy) painted silver and yellow bodywork. a 250,175 and 125 mxers were to follow, legal problems stuffed em.

Offline Iain Cameron

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Re: powerdyne
« Reply #4 on: September 07, 2014, 12:12:23 AM »
Thanks g465b I presume you are the one firko was telling me about . Iain
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

Offline Freakshow

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Re: powerdyne
« Reply #5 on: September 25, 2014, 11:39:16 PM »
i thought these where made in mexico like the cooper.  Wasnt it the guys from redline and all the like who where making all there frames down there..
74 Yamaha YZ's - 75 Yamaha YZ's
74 Yamaha  flattracker's
70  Jawa 2 valve speedway's

For sale -  PRE 75 Yamaha MX stuff, frame, motors and parts also some YAM DT1,2,A and Suzi TS bikes and stuff