Author Topic: SUP REGS FOR CLASSIC DIRT TRACK AUSTRALIAN CHAMPIONSHIPS  (Read 7802 times)

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Offline 52

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Re: SUP REGS FOR CLASSIC DIRT TRACK AUSTRALIAN CHAMPIONSHIPS
« Reply #30 on: August 19, 2009, 05:36:01 pm »
wally come up me  (52) in da pits an you can ride one of mine. It may not be as classy as some but they usually go.

Offline Freakshow

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Re: SUP REGS FOR CLASSIC DIRT TRACK AUSTRALIAN CHAMPIONSHIPS
« Reply #31 on: August 19, 2009, 08:02:55 pm »
I've also been informed that the engine now in the bike is a later version that the one used to win the '74 title. We'll see what unfolds.

last year Pattern ran a 75 MXb motor, i know i picked it up when we were on the start line and told him so ( ok and maybe 211 as well)

Sorry 52 but im prity sure more than the numbers change on a 75 model, its basically a 76 YZC, try fitting the side covers onto the 73/74 cases ? the barrel and heads dont even look similar, never mind some of the internals wont interchange even if you could replace the whole guts and make some changes.   

From what i remember it was a 75 motor they had fully rebuild and its not the one his dad had, that was at home broken somewhere, its 'like the one his dad had' he said to me, thats two differant things and 30 years is a long time between what they looked like.

ITs a major component but if you like we can run a stack of 75 MX 250B' in pre 75 and put a solid bar in the mono shock place to match it up  ;D
« Last Edit: August 19, 2009, 08:21:53 pm by Freakshow »
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

Curly3

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Re: SUP REGS FOR CLASSIC DIRT TRACK AUSTRALIAN CHAMPIONSHIPS
« Reply #32 on: August 19, 2009, 08:47:13 pm »
Hey 52, I think they're talking about the parade lap at Nepean's 50th on the 30/08.

Offline jimg1au

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Re: SUP REGS FOR CLASSIC DIRT TRACK AUSTRALIAN CHAMPIONSHIPS
« Reply #33 on: August 19, 2009, 09:55:57 pm »
grasy 6
1975 cr125s is a follow on so it is ok for pre75 ie cr125m1
rule 18.7.5 table on machines and components gcrs

Rosco400

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Re: SUP REGS FOR CLASSIC DIRT TRACK AUSTRALIAN CHAMPIONSHIPS
« Reply #34 on: August 20, 2009, 10:58:35 pm »
Dont forget club ride up here on the 6th for a bit of pre setup and a look at the track, all welcome, pre 78 and pre 85 and entries for the Nationals close off next friday 28th August :)

Offline Grasy 6

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Re: SUP REGS FOR CLASSIC DIRT TRACK AUSTRALIAN CHAMPIONSHIPS
« Reply #35 on: August 21, 2009, 08:56:53 am »
Thanks jimg1au, I posted the question then retracted it in case I stirred up a Ants nest. I should of just looked up the GCR's myself .Cheers Grasy ;)