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should be the same.. I got the same seat for a 550 or 750.... fits my 77 GS750 Perfect

You did not say they were but, The throttle bodies do not look like 1250 throttle bodies ? Different TPS/ twin vacuum on #1 body/ different mounting screws for fuel rail/ injectors black (1250 green, 650 blue)/ center return spring arrangement and could be optical illusion but the spacing looks even ie 80/80/80. 1250 is 80/100/80. These below are 1250 throttle bodies.

Oh and sntracing make xr69 reps I think.. not sure they do custom work. One of the guys made a rsv mille with hub centre steering, super clever dude.

There's a guy in, i think, germany making frames in an artisan way.. krtframework.com Certainly not many of them left..

Bakker

harris just announced they wont be making any more frames spondon -long gone, uunfortunately gia - looks like theyre defunkt martek- dont think so with his reputation so whos left out there making frames? i cant think of any, but theres bound to be some surely?

Slide carb head. Inlet centres on slide and cv heads are the same spacings though, so wouldn’t make a difference?

Here's a pic showing the label.

The hinges are the same I think. The difference between the two seats is the position of the locking latch, plus a couple of the support rubbers. I have a Giuliari seat (same as two four?) On my 750. When I got it new in 98 it had a sticker on it showing how to adapt it for 550 or 750.

There's also a guide blade in the front You might be having cam end float instead of cam chain noise My tensioner is going on 88,000 miles without an issue

If the cam chain isn't rusty, you can measure the spec. 30,000 miles should be no wear on your laptop, go to Gsarchive.bwringer.com and get a factory manual and other helpful info

Which GS 1000 head is that? it looks like you're trying to fit a plenum for a slide carb head on a CV carb head

Thanks a lot for all your input. Seems like I made a few mistakes. This is the first time I'm doing a big four-stroke and I'm learning as I'm going. I checked the pistons when I had the engine apart and they were in spec. I don't remember, if I checked the cylinders but the cross hatching was still visible, if that is any indication. I did not, however, check the rings. No idea why. So this could definitely be the issue. While researching the low compression issue I found out that you can do a leak-down test. This seems to be a good way to narrow down the cause before I rip the engine apart... So I ordered one from the big A and will have a listen tomorrow.

Issue 152. The frame was notched to clear the cam cover. A engine mount bolted to the cam gallery (?) bolt on the side of the head. Engine is about as wide as the frame. Looks like they pulled the carbs further back "Kawasaki carb rubbers, extensively modified link system using kawa/suzi parts (four carbs in space for three) mounted in a horizontal arc" Very cool bike.. Benelli TNT frame might be a cool option too. Nice swingarm on those.

Have you looked at offset silicone reducers?

Hi All, I can’t imagine I need a Suzuki part for this, but in all of your collective experience is there another manufacturers offering that will give me the offset required to fit this plenum. I need circa 10mm offset on the outer ports and 5mm offset on the inner 2 ports. Im sure there’s a solution out there, but I need some help getting to it.

Quick update, put about 100 miles of spirited riding on these brakes yesterday. Rotors continue to clean up and the feel is good. Got a rebuild kit for the M/C waiting to go on, and I think as soon as I get the last of the oxidation off the rotors, I'll throw some new pads in and bleed them again. Definitely worth the $300 I paid for the 95 750W donor bike these came off of.

If those are new intakes, the only place I know to easily pick up new intakes for a dot head is Eblag, and those ones are known to not work as they're not a full set. Instead they doubled up two of the intakes and called it good enough. Check the part numbers on them, correct ones are sequential left to right, the knock offs won't be.

New to me 82 GS550MZ (baby katana). Pretty good shape for spending years out in the weather. Of course compression check (carbs off) shows top end will need to come apart. Engine has 30k miles, can anyone give me an idea what the service life limit on cam chain normally is? Also is there a good source for a new cam chain for a split and rivet replacement? Have downloaded a service manual, but almost unusable on my phone and can't move manual to laptop right now. Thanks in advance.

MK Motorsport...........now where have I heard that name before ?

Decent Aftermarket Rear Shock makes huge difference ..

Sales. Everything has been 17's for soo long that 18's are not worth working on. The only 18's available in the states for a slabby are dual sport tires, i had to have some bt016's shipped in from italy.

Or chicom rubbers...

Dunno why they are ceasing production although the race tyres are made by Cooper tyres apparently, not by Avon themselves. Limited market and all that maybe. It's the one and only time I have been able to sell a tyre for a good price though, an Avon AM22. Usually it's difficult to give tyres away. Continental race tyres are still supposed to be good though, so at least there's an alternative.

Does anyone know if GS750 & 550 seat hinges are significantly different? I have a 2/4 seat on my '78 750 that sits about 3/4" higher than the tail piece. The hinges don't seem to be available other than with a new seat on CMSNL & I can't see how else a gap that big could be caused. The seat is marked as fitting 550 & 750 but does say "Minor adjustments may be needed" Thanks.