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Hello from Hampshire UK

M

MikeB 711

Forum Newbie
Hi all, this is my old girl I've had since about 1985. Back then a friend had a trick GS1000 which he wrote off hitting a van, I was helping him rebuild it but we couldn't find a 1000 frame so tried getting the engine into a GS750 instead, it almost fitted but then he got bored & bought a Katana so I ended up buying the project.
I finished it, buying parts as I could afford them & eventually it was on the road. My friend then decided he wanted the engine for his Kat as he'd built it with lots of Yoshi bits & it was a bit quick. I quite liked the idea of the 16 valve engine so a swap was done.
It had sat unused in my garage for over 20 years until 2 years ago when I had inspiration to re commission it & we're back in business!
 

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Welcome to the site, Mike.
Turn it into a sleeper and put some 750 badges on the side covers. It would be semi-legit. ;)
Works Performance shocks?
 
steve murdoch said:
Welcome to the site, Mike.
Turn it into a sleeper and put some 750 badges on the side covers. It would be semi-legit. ;)
Works Performance shocks?
Click to expand...

Not a bad idea, it's 1170 with RS34 Mikunis so still goes ok :-) The shocks are a UK firm called Nitron, they made them to spec as the 1100 swingarm is longer than a 750 causing it to sit slightly low at the back.
 
So, in summation...

Why don't you sum up for us

What year and model:

frame

engine

What cc did the engine begin as? 1074?
 
Rob S. said:
So, in summation...

Why don't you sum up for us

What year and model:

frame

engine

What cc did the engine begin as? 1074?
Click to expand...

The frame is a 1978 GS750, the engine is a 1980 Katana 1100, the front end & swingarm are also 1980 Katana. The fuel tank is a 1978 GS1000, the fairing is a GSX750ES.
Clocks are GS1000 but with a GPS speedo.
It's a long way from being a show piece but it's done a lot of miles inc around 10 trips to the Paul Ricard circuit for the Bol D'Or that used to be my annual summer holiday, sadly my knees/back/wrists etc are no longer up to hours in the saddle :-(
 
Not that it matters but the eng. and front end are "80" Katana 1100, probably a misprint.
 
MikeB 711 said:
Thanks Salty, does your brake conversion adapt to the Katana anti dive front end?
Click to expand...

Yes, either with the Anti Dive connected or with it disconnected and some cartridge emulators thrown in it will work with the fork shown in your picture.

I run the 83 1100E fork that way in the 78 triples on my skunk. :)
 
MikeB 711 said:
...the engine is a 1980 Katana 1100...
Click to expand...

Katana 11...the mythical beast that wasn't offered in the U.S.

And the finished product looks quite delectable to my old, air-cooled brain. Could you tell us about the exhaust?
 
Rob S. said:
Katana 11...the mythical beast that wasn't offered in the U.S.

And the finished product looks quite delectable to my old, air-cooled brain. Could you tell us about the exhaust?
Click to expand...

Thanks for the kind words, I'm glad it's not just me that thinks it looks sweet :-)

The exhaust is a Harris, I'm not sure how much presence they had in the USA but they were made by the legends who also made chassis kits for GP teams. Sadly they're no longer made, they were the pipe of choice for any self respecting hooligan in the 80's who had a big 4 Jap bike.
 
I realize different parts of the world get different bikes... I've been looking and can't find any Suzuki Katanas in 1980, first yr. I find is 1981.
 
Yep, says "Late" 1980 saw the official production release of the GSX1100S Katana, closely resembled the prototype that had done the rounds in the show circuit... Over here a "late" 1980 production will be a 1981 yr. model, and ours were GS "1000" S Katanas, we didn't get the 1100 Kats till "82". Many of our 1000 Kats have a mfg. date of 7/ "80" through 12/ "80", but all registered as "81" models... Thinking there were probably none of our 1000 Kats with a mfg date later than 7 / 81.
 
Those Suzuki fairings fit a lot of Suzuki's. I have one on my back. I have the Lockhart Lowers specific to my bike. I just have to finish painting them. Your bike is smashing, and quite right! :)
 
MikeB 711 said:
The frame is a 1978 GS750, the engine is a 1980 Katana 1100, the front end & swingarm are also 1980 Katana. The fuel tank is a 1978 GS1000, the fairing is a GSX750ES.
Clocks are GS1000 but with a GPS speedo.
It's a long way from being a show piece but it's done a lot of miles inc around 10 trips to the Paul Ricard circuit for the Bol D'Or that used to be my annual summer holiday, sadly my knees/back/wrists etc are no longer up to hours in the saddle :-(
Click to expand...

Did the '80' box aluminum swinger fit in the '70s gs750 frame without spreading the frame tubes for passenger footpegs? And did you use same or same length shocks (331mm)??
 
MikeB 711 said:
Not a bad idea, it's 1170 with RS34 Mikunis so still goes ok :-) The shocks are a UK firm called Nitron, they made them to spec as the 1100 swingarm is longer than a 750 causing it to sit slightly low at the back.
Click to expand...

I think the '70s gs750 and gs1000 steel swinger is same length as the 80's gs11 box aluminum swinger and for sure all those shocks are 331mm
 
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