Mouse
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Posts posted by Mouse
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Try your local zuki dealer or Robinsons on 01227 454366 and give them the frame number, should be able to get year, model etc from that as they have done it for me in the past.
Not sure why your worried about back tax, put it on straight on sorn or some people might put the date of purchase as a few days before they send the form to swansea
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Just my tuppence worth as i am doing similar on my 78 gs750.
can you fully turn the sprocket without the chain on or only part of a full turn ??, also what year is the bike as it looks very similar to mine with the pushrod in the same place, but the sprocket nut does not look right, the standard nut is quite slim and there is about 5mm of thread that sticks out after the tab washer is fitted and the nut tightened.
Maybe it is the nut that is catching ???, try taking it of and see what happens
Hope this helps
Mouse
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On 11/11/2020 at 10:35 PM, wraith said:
they use the same bearings as the GS/gsx/gsxr/bandit id 30mm bottom and 25mm top (stem size)
Ermm sorry, no they don't, the 77, 78, and 79 years gs 750 are 27mm id at the bottom and only seem to have gone to 30mm with the 1980 gsx range, but it seems all the gs 1000 range was 30mm from the get go.
I think this is partly why I am having so much trouble, but by going rf like you suggested hopefully things will be easier, what also is not helping is the gs750 was fitted with ball bearings as standard so by going to tapered bearings it's a bit of guesswork as to what Hight to go for.
Even all balls give three different heights for the bottom bearing 12, 14 or 15mm depending how you search, think i will just go for standard rf bearings when new bottom yoke turns up and see how it goes
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Thanks for that Wraith
Found one local to me, will see if he has forks as well.
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8 hours ago, mkoppeser said:
I assume you've tried pressing the stem from the GS into the Bandit yoke?
Unfortunately the Bandit top yoke wont fit the GS stem as the hole is to small, even if the hole was enlarged there is not enough thread to fit the bits (nuts ? ) that hold the bearings in.
1 hour ago, Rncv said:Isn't a B6 stem welded?
No, but the GS one is.
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19 hours ago, mkoppeser said:
What are you trying to work out?
Trying to fit a B6 front end into a 78 GS750, it seems a common swop for a gs1000 but i am having problems, wondered if the GS1000 had a longer headstock than my GS 750 bu no its the same. The B6 headstock is 200mm so looks like i need to cut out 20mm for it to work
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Thank you for the reply's, helped a lot
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Hi
Just a quick question does anyone know the length of the headstock on a early gs1000 frame (1978-1980) ish, not Katana, please.
Trying to work something out,
Thanks, Mouse
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Thanks for the link, very useful,
think i will follow peoples advice and stick to the automatic one and rebuild it
On 10/13/2020 at 1:40 AM, BigT said:My opinion on your barrel wear is that someone took the tensioner off and never released the plunger when reinstalling
You could be right, but if so I wonder why the chain didn't jump of the sprockets and trash the engine ???
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Was hoping for one soon as need to get the engine rebuilt.
bit worried though as even N.O.S will be over 40 years old, can one of that age be trusted ???, I know the one i took out of the engine is 20 years and that the bike was dry stored for nearly that long, but that one has small fracture lines in it.
Maybe the fractures are due to it drying out as no oil has been circulated, also "new" one's will have been indoors ( I hope) and wrapped in grease paper.
Well off to trawl tinternet for a few hours
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Sorry
Just tried to slip it past you, Promise I won't do it again.
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6 minutes ago, Blubber said:
Mmmh... oiled boobies....
What sort of oil ?????
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Hi Thanks for the input,
21 hours ago, Gixer1460 said:If you assume the tensioner is original then the spring will be 40+ years old and can be assumed to be Well Slack!
Pretty much spot on, engine has done about 60 thou which seems to be fairly accurate as i had some old mot's, but as my granddad used to say it looks like "it was rode hard and put away wet".
This is what i found when i took the block off.
So looks like the chain was not under that much tension.
Thanks for the link about the spring, didn't realise it could be replaced, when i took the whole unit off it was put in a bag for later examination, so one of them on the shopping list, also going to renew all the other camchain parts but having a sit down now as just found out the price of the rear tensioner, looking at £350 plus
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Hi
I'm collecting parts to rebuild my 78 GS750 engine and need some advice about the cam chain tensioner.
Should I replace the standard automatic one or fit a manual one???, what are the advantages/ disadvantages of both, one thing is the cost of a genuine automatic one (£150 plus
)
Also I don't think the last o.e.m one worked that well as when i striped the block there are score marks each side of the cam chain tunnel that look like the chain was flailing about side to side, although that could be down to poor maintenance.
Also while I'm on the subject how often should the cam chain be checked/adjusted ???.
Thanks
Mouse.
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Hi
well been a bit busy the last few days,
On 9/19/2020 at 5:30 AM, gsx said:Your gs carrier should bring the chain in by about 4mm compared to a a bandit or gsxr one
Nice one for this
, saved 5mm by using gs carrier, everything else is exactly the same as the bandit one so fits bandit wheel perfectly.
Spent a lot of time measuring old chains as the gs is a 630 pitch and found that there's big (well mm's) differences in the same pitch widthways depending if it is a standard, O ring or X ring chain, need to bare this in mind.
On 9/19/2020 at 5:30 AM, gsx said:when you convert to a 530 chain a 6mm spacer is supplied to go behind the front sprocket ,
I assume this is for going from the GS standard 630 pitch ???, but none of the 530 sprocket and chain kits for a gs i have found mention a spacer, ???.
I need to ring Debben as not a lot on there website (only clothes ) so on my list for tomorrow.
On 9/19/2020 at 5:30 AM, gsx said:Don't forget to alter sprockets sizes for chain conversion
Yep, not looking forward to this as the wheels are different sizes as well so I think I will wait for some of my hair to grow back before I can pull it out again, but why would you need to change size if only changing pitch ??, or is there a knock on effect to the diameter of the sprockets , i.e is a 19 tooth 630 bigger or smaller than a 19 tooth 530 ??. wont be able to do anything for the next few days as waiting for new top hats to be machined up, but I have a cunning plan to make wheel alignment easier for myself.
Thanks
Mouse
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5 hours ago, Reinhoud said:
I took what I got to a motorcycle wreckers and had a look around, took what I liked, and what sort of fitted, or what was able to make it fit
Ah, the good old days when you could spend hour's rummaging around and then forget what you went there for to start with.
Unfortunately the last bike breakers around by me where you could do this closed several years ago
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19 minutes ago, Reinhoud said:
I've got the GS1000 carrier in a RF wheel
Why did you do this please ???
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11 hours ago, wraith said:
Think I mite have a clutch slave cylinder somewhere, I will have a look when I get in the garage
That would be good, beer token's would be sent
11 hours ago, wraith said:now you say something about a different cush drive than the standard gs500 swap
Don't understand this bit ???. I haven't mentioned a gs500, are you saying there is a standard gs500 swop for what I am trying to do ??.
Also my using a different online parts shop I have just found that the gs750 sprocket carrier is the same part number as the gs1000 one so don't need to buy one to try that idea now.
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Hi
Good build thread wrath but different engine to me
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11 hours ago, Reinhoud said:If the clutch is a problem, convert it to hydraulic, make yourself a sprocket cover, and be creative.
Well this could be the way to go, got hold of a old knackered cover so i can cut it about to see if i can make it work, got a wanted add out far a slave but nothing yet.
Just out of curiosity how did your convert yours to hydraulic, ??? not sure your version would work for me as my pushrod is on the sprocket side and i think yours is opposite side but all ideas help.
Also got a laser today and waiting for new top hats so i can fit the swingarm properly, had it suggested to me today that a gs1000 sprocket carrier might help as it is slimmer than the bandit one, so found a cheap one and waiting for that as well.
Hoping for good weather next week to try various ideas out.
Mouse.
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Hi
2 hours ago, 370steve said:I put a B12 swing arm/wheel in a GS750 frame with a b6 motor, 520 chain and 180 tyre without too much trouble
I know
, I have read your build thread on this many times 
, mainly for the swingarm bits, but i am trying to keep to the original engine like the fool i am.
wraith, thanks for the info and pics, everything helps, found a local old man with a lathe today who is making new top hats for about 20 quid, so result there, don't have a chain sorted at the moment but it looks like i will have to go as narrow as possible, but most of the offset sprockets i come across are 530 pitch but i think 520 is the way to go.
2 hours ago, wraith said:I'm doing (among others) a gs550 with a 180 rear wheel and had to cut out about 3mm out of the frame and replate it so the chain can run ok
Yep this is also my plan, but at the moment the chain would run straight through the frame tube and as the tube is 28mm thick i would need to move the front out 14mm and the rear 14mm in to line up
, and if your clutch operating mechanism is the same as mine (which i think it is) you will know how little front sprocket movement there is, i might have to have a far bit machined of the sprocket carrier but i can only go so far because of pushing the chain to close to the tyre, can i ask what wheel/sprocket carrier you have please ???.
Thanks all
Mouse
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6 hours ago, Reinhoud said:
f the GS750 frame, swinger is the same as the GS1000, then it fits, you need to get yourself some spacers.
Ah but that seems to be my problem, the frames are different part numbers and I bought some top hat spacers sold to fit bandit arm to gs frame, problem is the person who made them used a gs1000 pivot bolt as a pattern and just assumed all gs's are the same, there not, 750 16mm pivot bolt, 1000 18mm pivot bolt.
I think there are some frame differences as well mainly around the rear engine mount area, I managed to fit the swingarm and wheel and lined up the wheel so it was straight and like this the chain would run straight through the frame tube, it looks like I will have to have the sprocket carrier machined down and also a offset front sprocket, even then I don't know how much of a offset front sprocket I can use because of the sprocket and the clutch mechanism being so close together as another post pointed out recently.
It seems that the gs thou is the way to go BUT I don't have a gs thou
, this is why I was hoping someone had used a 750, but I am starting to see why not.
4 hours ago, wraith said:There's a post just below asking a simmer question but for bush/spacer size don't know if you have seen it or if it's any help
Not really, but thanks anyway
, just seems to be another 750 owner struggling along the same path, maybe we could all get together and have a pity party to console each other 
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Hi
I am trying to use my 78 GS750 frame and engine and fit a bandit 12 swing arm and wheel into the frame.
Has anyone on here done this combination ???, i know people have used the gs frame and fitted various swingarms and wheels but most seem to use a different engine.
The reason i ask is that everything i try seems to not work for one reason or another, for example most people seem to need to use a offset drive sprocket but on my bike the wheel sprocket needs to be moved inboard and then looks like if i do this the chain will foul the frame, also got some top hat spacers specifically to fit the b12 swingarm into the gs frame, problem with this is the spacers need 2mm taken of them as they are to wide and also the hole in the spacers is about 4mm to big for the gs swingarm spindle.
So now i am wondering if this combination is possible or am i looking at some large scale frame work to achieve this
Thank you
Mouse.
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Hi
I am looking to do the same with my 78 GS750 and have found the same problem, one of my thoughts at the moment is to have a ally extension piece made to space out the cover and then use a longer pushrod.
Can i ask what swingarm and wheel are you using to need a 15mm offset ??
Mouse.
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1 hour ago, Captain Chaos said:
and the 650
Arse
GSX750ES engine removal
in Air Cooled
Posted
Never removed a gsx engine, but on a lot of other bikes i have had to remove the rocker cover to get the engine out, every cm counts.
give it a go as nothing to lose for about 10 mins work, but i am sure someone with experience with this bike will be along soon
Mouse.