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PostPosted: Thu Aug 31, 2017 1:30 pm 
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Moto GP
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Joined: Fri Oct 24, 2008 5:55 pm
Posts: 3972
Location: Lancaster Pa.
Country: US
Bikes owned: GT750 x2 97 -1200 Bandit 86 GSXR1100
My GT750 got showed up real bad at one of the Bike meets i went to that had a dyno setup . My stockish engine GT cranked out 60 hp and i thought not to bad for 70's tech . Then a fat boy Harley rolled into the test stand and spun out like 110~120hp , i dont know what was the size or what was in the motor but it sure put me in my place :oops:

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PostPosted: Thu Aug 31, 2017 5:39 pm 
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Novice racer
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Joined: Wed Jan 18, 2012 8:01 pm
Posts: 922
Location: North of Albany, NY
Country: USA
Bikes owned: T500R (now), T500M (30 yrs ago)
Yeah, but you still would whip him in the 1/8" mile.


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PostPosted: Fri Sep 01, 2017 5:26 am 
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Joined: Wed Jul 10, 2013 12:04 pm
Posts: 773
Country: England, UK
Bikes owned: FZ50, GP100, RG125 Gamma, GT380, Bandit 1200S
ConnerVT wrote:
Yeah, but you still would whip him in the 1/8" mile.

yeah the fat boy probably weighs half a ton


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PostPosted: Sat Sep 02, 2017 4:24 am 
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Joined: Fri Aug 11, 2017 7:09 am
Posts: 221
Country: england
Bikes owned: several gt250 ramairs
What crazy things have you seen done with your model Suzuki?

this is somewhat off-topic now, n'est pas? :)

cheers, dd.

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GTS250 road registered. TS250 engine, Ramair frame.
GT250 big bang road registered. Both pistons fire the same time. USD forks.
GT285 road registered. Overbored - 58mm and TS125 +2 pistons fitted.
GT10 road registered. '65 T10 engine, GT250 frame.


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PostPosted: Sat Sep 02, 2017 10:17 am 
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Moto GP
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Joined: Mon Nov 03, 2008 10:47 am
Posts: 5963
Location: Illinois
Mais non, mon ami.

Surely strapping a very custom GT750 to a dyno in a public forum has to be close to the definition of "crazy". Or was it the Harley rider that meets that definition with a one ton bazillion dollar motorcycle trying to impress everyone. :?

I drag race mine and it's set up as a street tracker. Does that meet the criteria.


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PostPosted: Sat Sep 02, 2017 12:25 pm 
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Joined: Wed Jul 10, 2013 12:04 pm
Posts: 773
Country: England, UK
Bikes owned: FZ50, GP100, RG125 Gamma, GT380, Bandit 1200S
tz375 wrote:
Mais non, mon ami.

Surely strapping a very custom GT750 to a dyno in a public forum has to be close to the definition of "crazy". Or was it the Harley rider that meets that definition with a one ton bazillion dollar motorcycle trying to impress everyone. :?

I drag race mine and it's set up as a street tracker. Does that meet the criteria.

Well actually it is a little off topic. The idea was to post amusing pictures, not anecdotes. Nevertheless, it is not a crucially important topic, just a little fun, so there is not really much point in being too pedantic I suppose.


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PostPosted: Sun Sep 03, 2017 6:56 am 
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Joined: Fri Aug 11, 2017 7:09 am
Posts: 221
Country: england
Bikes owned: several gt250 ramairs
it was meant in fun - hence the smiley :D
you've seen my RGT250LC, and surely that's the sort of thing we need on this thread? :D
if i could post piccys i could show you my GT285, with upside down forks, scalloped tank and 250a top end grafted onto a ramair bottom end?
or my big bang 250, both pistons firing at the same time, in a T350 rolling chassis, GS1000 forks [again], twin disc front end, etc etc :D
or the project i'm just starting - a GT500/4? yes, a 4 cylinder made from the dozens of GT250 ramair cranks and crankcases i've got in the shed. i've got as far as buying a 20 ton press and getting 3 cranks completely to bits. now the fun begins :D i was going to start another thread on it, but the speed i'm going with it, it could take some time - if i live that long :D
cheers, dd.

_________________
GTS250 road registered. TS250 engine, Ramair frame.
GT250 big bang road registered. Both pistons fire the same time. USD forks.
GT285 road registered. Overbored - 58mm and TS125 +2 pistons fitted.
GT10 road registered. '65 T10 engine, GT250 frame.


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PostPosted: Sun Sep 03, 2017 10:17 am 
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Joined: Wed Jul 10, 2013 12:04 pm
Posts: 773
Country: England, UK
Bikes owned: FZ50, GP100, RG125 Gamma, GT380, Bandit 1200S
dollydog wrote:
it was meant in fun - hence the smiley :D
you've seen my RGT250LC, and surely that's the sort of thing we need on this thread? :D
if i could post piccys i could show you my GT285, with upside down forks, scalloped tank and 250a top end grafted onto a ramair bottom end?
or my big bang 250, both pistons firing at the same time, in a T350 rolling chassis, GS1000 forks [again], twin disc front end, etc etc :D
or the project i'm just starting - a GT500/4? yes, a 4 cylinder made from the dozens of GT250 ramair cranks and crankcases i've got in the shed. i've got as far as buying a 20 ton press and getting 3 cranks completely to bits. now the fun begins :D i was going to start another thread on it, but the speed i'm going with it, it could take some time - if i live that long :D
cheers, dd.

Wow that sounds great DD!
Any pics are good.
Incidentally, I hope you live longer!
A GT500/4 would an outrageously extravagant stroker. I'd love to see one of those. In fact, when you get it done, let me know and I'll ride up to see it and we can go for blast together.


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PostPosted: Sun Sep 03, 2017 2:02 pm 
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Joined: Fri Aug 11, 2017 7:09 am
Posts: 221
Country: england
Bikes owned: several gt250 ramairs
i'll probably be about 90 then :D
if i've still got my k10 i'll come out to play on that :D
all i want is this 500/4 to fire - just once, i'm not bothered if it runs, just want to hear it go bang once and i'll start something else and believe you me, i'm no allen millyard :D
cheers, dd.

_________________
GTS250 road registered. TS250 engine, Ramair frame.
GT250 big bang road registered. Both pistons fire the same time. USD forks.
GT285 road registered. Overbored - 58mm and TS125 +2 pistons fitted.
GT10 road registered. '65 T10 engine, GT250 frame.


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PostPosted: Sun Sep 03, 2017 3:44 pm 
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Moto GP
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Joined: Fri Oct 24, 2008 5:55 pm
Posts: 3972
Location: Lancaster Pa.
Country: US
Bikes owned: GT750 x2 97 -1200 Bandit 86 GSXR1100
You never know what can be built if you dont try :up: viewtopic.php?f=21&t=10343

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PostPosted: Mon Sep 04, 2017 3:55 am 
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Joined: Fri Aug 11, 2017 7:09 am
Posts: 221
Country: england
Bikes owned: several gt250 ramairs
hi dave, i'm definitely going to try :D i've already worked out most of the problems i'm going to encounter and written them all down in a big jotter :D but i guarantee there will be plenty more i hadn't even imagined.
the crank will be pretty easy, although i've got to use 3 middle cranks [shortened] to press it all together properly. instead of 2 seals and a bearing i've now got one seal, one bearing and an oil thrower [and thrust washer], which is somewhat narrower.
the problem i'm having atm is where to cut the crankcases? the more i look at them, the more they look way too thin and weedy for welding. i haven't got the skill or the tools to make a crankcase from scratch [or the money], so it's cut and weld. i thought of starting with a 380 and add one cylinder, but the amount of 250 ramair spares i've got made it a non starter - i'll use what i've got plenty of :D i do shed builds, no cnc, nothing fancy, just hard work and long hours, repeating as necessary :up:
thanks for the link - i'm on the same forum as him and he's definitely got more £££££££££££££££££££ than me :D
great project though.
cheers, dd.

_________________
GTS250 road registered. TS250 engine, Ramair frame.
GT250 big bang road registered. Both pistons fire the same time. USD forks.
GT285 road registered. Overbored - 58mm and TS125 +2 pistons fitted.
GT10 road registered. '65 T10 engine, GT250 frame.


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PostPosted: Mon Sep 04, 2017 3:28 pm 
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Road race school

Joined: Wed Jul 10, 2013 12:04 pm
Posts: 773
Country: England, UK
Bikes owned: FZ50, GP100, RG125 Gamma, GT380, Bandit 1200S
Suzukidave wrote:
You never know what can be built if you dont try :up: viewtopic.php?f=21&t=10343" onclick="window.open(this.href);return false;

Wow, looks awesome!


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PostPosted: Tue Sep 05, 2017 3:41 am 
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Joined: Fri Aug 11, 2017 7:09 am
Posts: 221
Country: england
Bikes owned: several gt250 ramairs
bit better than mine :( still, i didn't do bad on my [very] limited budget - the RGT250LC :D
cheers, dd.
Image

_________________
GTS250 road registered. TS250 engine, Ramair frame.
GT250 big bang road registered. Both pistons fire the same time. USD forks.
GT285 road registered. Overbored - 58mm and TS125 +2 pistons fitted.
GT10 road registered. '65 T10 engine, GT250 frame.


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PostPosted: Tue Sep 05, 2017 2:54 pm 
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Road race school

Joined: Wed Jul 10, 2013 12:04 pm
Posts: 773
Country: England, UK
Bikes owned: FZ50, GP100, RG125 Gamma, GT380, Bandit 1200S
dollydog wrote:
bit better than mine :( still, i didn't do bad on my [very] limited budget - the RGT250LC :D
cheers, dd.

I think your RGT250 Looks great DD. It may not be a concours class winner, but it is a nice usable special, ideally suited for its purpose. FUN!


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PostPosted: Thu Oct 05, 2017 6:05 am 
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To the on ramp

Joined: Fri Aug 11, 2017 7:09 am
Posts: 221
Country: england
Bikes owned: several gt250 ramairs
delugged and cleaned up. ready for the fun to begin. measure, measure and remeasure :D
then start welding :D
cheers, dd.
Image

_________________
GTS250 road registered. TS250 engine, Ramair frame.
GT250 big bang road registered. Both pistons fire the same time. USD forks.
GT285 road registered. Overbored - 58mm and TS125 +2 pistons fitted.
GT10 road registered. '65 T10 engine, GT250 frame.


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