Author Topic: Flattrack Nats OLD SCHOOL TWINS  (Read 49609 times)

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Offline jimg1au

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Re: Flattrack Nats OLD SCHOOL TWINS
« Reply #30 on: January 22, 2013, 05:43:21 pm »
get off the computer and fix my bsa duplex frame then there will be a 60s old school dirttracker
jim

Offline Sorelegs11

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Re: Flattrack Nats OLD SCHOOL TWINS
« Reply #31 on: January 22, 2013, 05:49:32 pm »
Way too much pollution, piss em off totally I reckon, apart from your T500 and my T250 of course.
Happy new year Darren. ;D
Gotta allow something for us lazy racers  ;D
Never say the P word Steve  :P
I hear they have a "SMOKELESS OIL' now
Happy New year to you as Well
If at first you don't succeed, lower your standards.

Curly3

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Re: Flattrack Nats OLD SCHOOL TWINS
« Reply #32 on: January 22, 2013, 05:57:46 pm »
Yeah alright Jimbo, I heard you the TENTH time.
I also heard that new oil was from a company call " LEAN P/L " Darren.
Sound's dodgy to me.
Anyway, back on topic please.

P.S. I did tell you Jim it'd be ready for P/U at 7am today but you came up with some lame excuse about working nights and blah blah and the wife's birthday, blah blah.
Get your priority's right.
« Last Edit: January 22, 2013, 06:15:13 pm by SlideRulz »

Offline EML

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Re: Flattrack Nats OLD SCHOOL TWINS
« Reply #33 on: January 22, 2013, 06:22:54 pm »
Another question, who still has the nuts to ride them??

The answer to the $10 question was Suzuki GR650.
Same config as Triumph/Yamaha/Norton et al but has TSCC and dual mass flywheel, splash cooled pistons etc...etc... and is 10kgs lighter than the rest.

Offline SON

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Re: Flattrack Nats OLD SCHOOL TWINS
« Reply #34 on: January 22, 2013, 07:19:15 pm »
GR might have 4V and TSCC and if you google image search GR or Tempter and there is a few examples shown, but if they were quick we would already know that.
Make a good Old Schooler with an easily modified stock frame very Trackmaster backbone,
As to 2 Strokes they are very welcome as my T500 framer and my Ex KR Snr / Ex Skip Askland TZ 350 Schwerma Champion will make things interesting especially in the hands of an ex OZ Champion.
One of the big benefits of the Troy Bayliss Classic is sending the Stars back to where they learnt their trade.

Offline firko

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Re: Flattrack Nats OLD SCHOOL TWINS
« Reply #35 on: January 22, 2013, 10:09:50 pm »
What makes the GR650 so wonderful? I've never taken any notice of them before, like Son aludes to, if they were that great surely we'd have seen them being used for something other than riding to work cheaply. They don't seem to be much of a bargain on eBay either http://www.ebay.com/itm/1983-83-SUZUKI-GR650-TEMPTER-ENGINE-MOTOR-was-running-/221139763645?hash=item337cf501bd&item=221139763645&pt=Motorcycles_Parts_Accessories&vxp=mtr
                                                   
'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

Offline firko

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Re: Flattrack Nats OLD SCHOOL TWINS
« Reply #36 on: January 22, 2013, 10:13:28 pm »
SON...Is Basil still making replica Redline (and other) frames up in Kurri Kurri or wherever he is? He built Jonesy's Redline Nourish and I'm sure many more and I'd like to talk to him about the possibility of building one for me.
'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

Offline SON

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Re: Flattrack Nats OLD SCHOOL TWINS
« Reply #37 on: January 22, 2013, 10:21:53 pm »
I have Basils number somewhere,
I thought he was out Millfield way
Most of the guys have been busy making Mining stuff
And Money,
over the last 6 months (Mining Tax) the mines have backed off heaps so foreign orders like frames and parts can happen again,

Curly3

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Re: Flattrack Nats OLD SCHOOL TWINS
« Reply #38 on: January 22, 2013, 10:27:55 pm »
Isn't the GR650 the engine of choice in Japanese Speedway?
Should be plenty of go fast bits available.

Offline SON

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Re: Flattrack Nats OLD SCHOOL TWINS
« Reply #39 on: January 22, 2013, 10:34:22 pm »
Old School potential nominations so far
XR750 twin shock
XR750 twin shock with 1000 Sporty engine
Several XS 650/750/880
T500
TZ350
Godden
Weslake
Triumph
.
.
New School
Mule Buell 1200
Sporty 883
TL1000 Supertracker
DL1000 Supertracker
XR750 x 2
SV650
Hyo GT650
Kawa 650
« Last Edit: January 22, 2013, 10:42:52 pm by SON »

Offline EML

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Re: Flattrack Nats OLD SCHOOL TWINS
« Reply #40 on: January 23, 2013, 10:29:10 am »
We have a sidecar team up here that run one and they are uncatchable-even by a 20yr old kid on a big bore 270 degree Yamaha. It also blew Walters GRM off !!
It is way lighter and has more HP std than any of them-a very good start. They acn be tricked right up and are strong. Only downside ( for sidecar cross ) they have a deep sump but that can be fixed. At Echo Valley they were leading the class when they holed the sump.
Not many were made and again not many were raced even in the US ( so not too many hop-up bits) but they are the goods.

Offline firko

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Re: Flattrack Nats OLD SCHOOL TWINS
« Reply #41 on: January 23, 2013, 11:51:47 am »
Here's another potential starter, a beut time capsule Trackmaster A70 BSA. Jack Stevens and Alan Jones chucked some laps on it for the owner at HBBB in 2011, both reporting that despite a dicky ARD mag and being badly jetted, it went pretty damn well. Sorry for the dicky photo.
                                                                     
The original Gene Hartline Trackmaster Benelli that I'm slowly replicating. Gene had some financial and engineering help from the factory but it still wasn't as competitive as it should have been. The engine was basically stock with some head and cam work by CR Axtel. It even ran the stock square slide Del'Orto carbies. This bike lived in a private collection in Melbourne for 15 years before Gene bought it back a couple of years ago.                                                                     
                                                                     
« Last Edit: January 23, 2013, 12:00:47 pm by firko »
'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

Offline SON

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Re: Flattrack Nats OLD SCHOOL TWINS
« Reply #42 on: January 23, 2013, 04:53:20 pm »
For the guys with Vintage Trackers that don't want to Race it for whatever reason, I will put on some Free Demonstration laps,
NO RACING just letting them be seen and heard and smelt,
That said I will be happy to extend this offer to old Sliders as well, especially 84S JAPs,
I will even allow old owners to ride them in the Demos and Young sponsored Pilots to Race them.
Also spoke to Todd Hughes from MX Central / Barleigh Ranch about the track prep, that will happen mid June.

Offline Tim754

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Re: Flattrack Nats OLD SCHOOL TWINS
« Reply #43 on: January 23, 2013, 06:56:11 pm »
GR650 for awhile choice of the Aussie Armed Services....oh dear.... 8)
I may not agree with what you have to say, but I'll defend to the death your right to say it.
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Offline Zakk

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Re: Flattrack Nats OLD SCHOOL TWINS
« Reply #44 on: January 23, 2013, 08:41:49 pm »
here's 2 cool old flattrackers.
i think this is an Erv Kanemoto built H2750 and Garry Nixon rode it?

Freddie Spencer's 1981 CX500 based racer