Genesis Of A Racebike - IT LIVES !!!!!

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Genesis Of A Racebike - IT LIVES !!!!!

Postby Gosling1 » Sun Feb 04, 2007 6:11 pm

Here are some photos of the first bike to be built this year. Apparently February has been renamed "Build a Superbike Month" :D , so its time to spin some spanners. This is the Forgotten Era bike I intend to race in the PCRA Champs later this year......

Frame - 1980 Z750. Some mods already done, all excess brackets, etc, ground off. Further mods - engine mounts to be modified to suit motor, further bracing on frame tubes.

Wheels - Class-legal 3.5x17 front, 4.5x17 rear. Unsure of heritage, I *think* they are GSX-R rims from the early 90's.

Swingarm - Box-section aluminium swingarm, modded as required.

Motor - 1980 Z1000J motor - 1170cc capacity, otherwise stock ... :wink:

Forks have not yet been obtained, have rear brake but no front rotors or calipers at this early stage. The visit to PI last week gave me a few ideas on what is / isn't legal :shock: .

This baby should hit the scales around 180kg dry, and those old 2-valve donks can put out a reliable 130-140hp. It should be a weapon.

8)
Attachments
Frame1.JPG
z750 frame, dragged out from under a bench where it has sat for the last 7 years,........
Frame1.JPG (64.83 KiB) Viewed 10498 times
Wheels1.JPG
Normal 17" rims for the Unlimited Forgotten Era class. They need to be Green !!
Wheels1.JPG (66.89 KiB) Viewed 10475 times
Swingarm1.JPG
Box-section swingarm - to Brace or not to Brace, that is the question...
Swingarm1.JPG (49.37 KiB) Viewed 10460 times
JMotor.JPG
Old'n'dusty.......but there's horsepower in them thar cases !!
JMotor.JPG (48.95 KiB) Viewed 10456 times
Last edited by Gosling1 on Thu Apr 24, 2008 7:50 pm, edited 1 time in total.
".....shut the gate on this one Maxie......it's the ducks guts !!............."
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Postby aardvark » Sun Feb 04, 2007 6:48 pm

Geeze, you certainly have some work to do!
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Postby Strika » Sun Feb 04, 2007 6:52 pm

Ahhh so Dr. Donuts finally commences work on Project "push the PCRA to their limits"!!!!! :lol: :lol:

If you need someone to stand around and smoke scoobs and annoy ya while you build it, let me know! But i'll need a bed! :wink:
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Postby mick_dundee » Sun Feb 04, 2007 7:25 pm

I can assist with beer drinking and maybe spanner handing to ya, not a lot more though I don't reckon :D But willing to learn in between stubbies.
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Postby Gosling1 » Sun Feb 04, 2007 8:43 pm

aardvark wrote:Geeze, you certainly have some work to do!


:lol: got that right !! It will keep me out of trouble.........

Strika wrote:....If you need someone to stand around and smoke scoobs and annoy ya while you build it, let me know! But i'll need a bed!...


always welcome here mate, the Coleman is permanently inflated now :D

8)
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Postby Neka79 » Sun Feb 04, 2007 10:50 pm

wow dude...umm what other bits do u need?? i kno a fella whos offloading a bunch of stuff...well its a parts'd cbr900 from 92/93...

master cylinder is gone, as may be the front end...

so probably nothing u need off it !!

awfully helpful of me isnt it??
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Postby mike-s » Sun Feb 04, 2007 11:45 pm

useless advice is always appreciated, esp around here neka!

Take Mina & his riding advice for example
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Postby MickLC » Mon Feb 05, 2007 8:53 am

About time you got going on this Gos!

I'm sure I'll be able to come over and stand around annoying the hell out of you at some stage too...although i won't need a bed...but maybe a bourbon or two ;)
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Postby robracer » Mon Feb 05, 2007 7:26 pm

BIG project Gos... cant wait to see the result :D
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Postby Gosling1 » Mon Feb 05, 2007 7:28 pm

Yes I have been a bit slack............did a proper trial engine-fit today, looking good, top front mounts line up , lower fronts will need to be moved, and rear mounts line up as well...........ya just gotta love KHI 'economies of scale'.... :lol:

Already changed the swingarm, I had forgot about the GSX1100 number floating under a bench, its a better fit and lighter as well, so its going to be used instead. Used some old shocks, fitted the rear wheel up to the s/arm to check the chain run............well I'll be buggered, it lined up straight :shock: :lol: one less problem to worry about.

This bike really will be..........."......you know Maxy.........a piece frome here.............and a piece from there..........." :wink:

8)
".....shut the gate on this one Maxie......it's the ducks guts !!............."
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Postby Aussie Ninja » Mon Feb 05, 2007 8:04 pm

Gosling1 wrote:This bike really will be..........."......you know Maxy.........a piece frome here.............and a piece from there..........." :wink:

8)

So easy? :wink:
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Postby RedRoo » Tue Feb 06, 2007 9:37 am

Hey Gos, get an early Ceranni front end from a 860 or drama ducati, word is that R6 cartridge goes in pretty easyand works damn well, "alledgedly" is what Leo Cash uses in his Honda up here.
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Postby Gosling1 » Tue Feb 06, 2007 6:11 pm

:shock: Cheers roo, I know a couple of the post-classic guys down here with those front ends.........

I am going to do a number on a set of forks that are 'visually indistiguishable' from the forks used on the TKA Z1000SR - the endurance racer that was ridden by Gregg Hansford in the Coca-Cola 800 at Oran Park in March 1980. The forks on that bike were 40mm, used twin horizontal pinch-bolts on the lower legs, and look *identical* in every respect to some forks used later on by KHI on a particular road bike.... :wink:

At the moment, there is some issue with twin pinch-bolt lowers in Period 5 racing, all the fast punters at the Island Classic a couple of weekends ago were running modified lowers, so that only 1 pinch bolt was used...... :? :? It beats the shit out of me, I cannot recall *any* forks from the era (1972-1980) that used single horizontal pinch bolts - except maybe some old Marzocchi's or something ?? Maybe it was the fork lowers used on some of the early Bimota's that are deemed as *era-specific* ...... :?

8)
".....shut the gate on this one Maxie......it's the ducks guts !!............."
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Postby ProblemChild » Sun Feb 11, 2007 4:34 pm

Mick C wrote:About time you got going on this Gos!

I'm sure I'll be able to come over and stand around annoying the hell out of you at some stage too...although i won't need a bed...but maybe a bourbon or two ;)


iamwithstupid.gif just yell if ya need a hand & hand those rims over & i will spray em green before tire change :wink:
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Postby kawa zx12R » Tue Feb 13, 2007 3:25 pm

gos that is one hell of a project you have got yourself into...

keep the pics coming. love to know what it will become.
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