Search Results (Searched for: gs swing arm)
Looking for a swing arm to fit a custom KZ 650B frame (noobie) was created by TokyoElbow
07 Feb 2019 23:28
TokyoElbow
Hi there,
Just to start of I'm a complete novice at this so forgive me If I sound thick.
(I bought this bike as you see it, the only thing I've done is change the handlebars and put a new exhaust on it)
I'm starting a project and I would like to get some feedback on what kind of swingarm I could use on my KZ650B frame.
I already have a GSXR SRAD 750 front end with wheel and I would like to get a matching rear wheel so wondering if it would be ideal to swap the swingarm for something more modern. Then the plan is to tidy up the rear end perhaps put a tail on it.
Are there any charts that you can tell me which swingarms fit my bike?
Any help would be truly grateful.
Elbow
Bike is registered as a 78 Z750, it has had a 84 750 lump put in it (info came from Kawasaki).
Just to start of I'm a complete novice at this so forgive me If I sound thick.
(I bought this bike as you see it, the only thing I've done is change the handlebars and put a new exhaust on it)
I'm starting a project and I would like to get some feedback on what kind of swingarm I could use on my KZ650B frame.
I already have a GSXR SRAD 750 front end with wheel and I would like to get a matching rear wheel so wondering if it would be ideal to swap the swingarm for something more modern. Then the plan is to tidy up the rear end perhaps put a tail on it.
Are there any charts that you can tell me which swingarms fit my bike?
Any help would be truly grateful.
Elbow
Bike is registered as a 78 Z750, it has had a 84 750 lump put in it (info came from Kawasaki).
Replied by LouisDePasquale1980KZ550C on topic 1980 KZ550 C1 LTD Swing Arm Bearing and Sleeve Replacement
30 Jan 2019 19:31
LouisDePasquale1980KZ550C
So the sleeve checked our ok after being hardened; And is back in the bike. Now that it's done and back together; I found a used swing arm off a wrecked '86 EN454 for $14. So now I have a back up. I also went with 2 sets of needle bearings. I'm a big guy, so I figured that would help spread the load on the sleeve a little more.
Replied by MrBean23 on topic 82 750 Monoshock Cafe Build
27 Jan 2019 12:37
MrBean23
The seat rides high (I'm 6'1'') and the sportier line Im ok with, going for more of a sportbike cafe modern look than the brat cafe. The swingarm is at an extreme angle, I would agree it needs some adjusting. Underneath the swingarm there is a black bushing that has room to add or remove washers on top of it. I take it he was still figuring out the ride height as well. And the rear shock will have to be re configured for my weight 175lbs. It does currently sit at the fully out adjusted spot so Im sure with proper dampening it could be shortened and moving the swingarm up with proper bushings/spacers would bring it in too. Also I can agree with the fact the the rear swingarm wasn't built for a mono shock, but Im not at the cut and weld disposal as the previous owner. It won't be a daily. If I did do this conversion I would have added the extra rear supports just my 2 cents. Thanks for all the good replies guys!
old_kaw
SWest wrote: Just saw this on FB. Wants $3100 or a nice 4X4 quad.
Stever
Off hand a few things to note on it.. Rear struts / no shocks, extended swingarm,, and it needs a podectomy.
I like the seat and rear cowl. It is a nice bike, but a tach and shift light? The footpegs and paint look great. What header is that? Replied by 650Dude on topic 82 750 Monoshock Cafe Build
25 Jan 2019 20:05
650Dude
MrBean23 wrote: New member here, been reading a ton over the last couple of days. This is my first cafe build and also first time venturing out of the supermoto world. I snagged an 82 kz750 off of a professional builder. He had many beautiful bikes and projects going and then was forced to move so I swooped in on a good project for a good deal. I did not do any of this to the bike thus far.
The frame has been cut/narrowed and measured using a jig. Rear was converted to a zx-1000 OEM shock. Tank inside has been cleaned and lined. Dyna Electronic ignition. Full 4-1 Kerker header/exhaust cut to fit the angles and split back to 2 upon exit. All welds looks great. Powdercoated ink black swingarm/ valve cover and on other parts. Wheels too. Pro motorcycle painter did the tank and rear cowl OEM kawi colors. It could use a good polish and buff. Maybe a refresher wet sand as well. Por-15 on the engine and cases/covers. Which could be redone, in some spots its super rough texture.
Fork seals need replacing, also repainting fork tubes, PO said brake fluid leaked out the front master and created a mess on the right side. The front and rear master also need full rebuilds. It could use some wheel bearings.
So as it sits now, I want to have the cams checked for specs, also the cam chain needs replacing bc its pretty stiff. Ive read that the bottom end doesn't have to be split to do this. The top end was refreshed before paint minus a valve job. I will go thru and inspect the head. I remember reading somewhere saying the `82 750 could use a cam upgrade? am i correct in saying the 84 gpz 750 cams? or someone have a link to reliable aftermarket cams. I am getting my links down and saved but haven't found those yet. The whole bike needs wiring including getting a taillight/taglight. I was told the carbs were cleaned before shelving... 4 years ago, so those will get refreshed too. Theres a ton of rubber on this bike that needs to be replaced including seals, master cylinders, brake calipers. Clutch grommets.
Hate me or love me but I think I want to convert the front end over to a sport bike front end. I found cognito moto does a front end conversion for gsxr forks, and yamaha r6/r1 forks. I also think the larger front wheel thats stock looks off and would better match the 16'' rear with a 17'' front.
I know I'm forgetting many things. It needs all the loose ends tied up.
All in all it just seems like a lot of labor, busted knuckles and many trips to the beer fridge.
I clicked on this post thinking "another monoshock meathead." Im happy to say I am pleasantly surprised. Your bike looks amazing and very tasteful. Well done!!!
Replied by CCrosswait on topic 83 KZ1100ltd Rebuild
25 Jan 2019 16:25
CCrosswait
Seeking advice.
Getting the frame and other bits ready to get media blasted and powder coated. Along with the frame I plan on having the motor mounts (front and rear) top triple clamp, swing arm and support bar, battery box, center and side stands, and the swing arm bushing cover plates.
Anyone see any red flags or omitted parts in the above list?
Getting the frame and other bits ready to get media blasted and powder coated. Along with the frame I plan on having the motor mounts (front and rear) top triple clamp, swing arm and support bar, battery box, center and side stands, and the swing arm bushing cover plates.
Anyone see any red flags or omitted parts in the above list?
82 750 Monoshock Cafe Build was created by MrBean23
25 Jan 2019 14:12
MrBean23
New member here, been reading a ton over the last couple of days. This is my first cafe build and also first time venturing out of the supermoto world. I snagged an 82 kz750 off of a professional builder. He had many beautiful bikes and projects going and then was forced to move so I swooped in on a good project for a good deal. I did not do any of this to the bike thus far.
The frame has been cut/narrowed and measured using a jig. Rear was converted to a zx-1000 OEM shock. Tank inside has been cleaned and lined. Dyna Electronic ignition. Full 4-1 Kerker header/exhaust cut to fit the angles and split back to 2 upon exit. All welds looks great. Powdercoated ink black swingarm/ valve cover and on other parts. Wheels too. Pro motorcycle painter did the tank and rear cowl OEM kawi colors. It could use a good polish and buff. Maybe a refresher wet sand as well. Por-15 on the engine and cases/covers. Which could be redone, in some spots its super rough texture.
Fork seals need replacing, also repainting fork tubes, PO said brake fluid leaked out the front master and created a mess on the right side. The front and rear master also need full rebuilds. It could use some wheel bearings.
So as it sits now, I want to have the cams checked for specs, also the cam chain needs replacing bc its pretty stiff. Ive read that the bottom end doesn't have to be split to do this. The top end was refreshed before paint minus a valve job. I will go thru and inspect the head. I remember reading somewhere saying the `82 750 could use a cam upgrade? am i correct in saying the 84 gpz 750 cams? or someone have a link to reliable aftermarket cams. I am getting my links down and saved but haven't found those yet. The whole bike needs wiring including getting a taillight/taglight. I was told the carbs were cleaned before shelving... 4 years ago, so those will get refreshed too. Theres a ton of rubber on this bike that needs to be replaced including seals, master cylinders, brake calipers. Clutch grommets.
Hate me or love me but I think I want to convert the front end over to a sport bike front end. I found cognito moto does a front end conversion for gsxr forks, and yamaha r6/r1 forks. I also think the larger front wheel thats stock looks off and would better match the 16'' rear with a 17'' front.
I know I'm forgetting many things. It needs all the loose ends tied up.
All in all it just seems like a lot of labor, busted knuckles and many trips to the beer fridge.
The frame has been cut/narrowed and measured using a jig. Rear was converted to a zx-1000 OEM shock. Tank inside has been cleaned and lined. Dyna Electronic ignition. Full 4-1 Kerker header/exhaust cut to fit the angles and split back to 2 upon exit. All welds looks great. Powdercoated ink black swingarm/ valve cover and on other parts. Wheels too. Pro motorcycle painter did the tank and rear cowl OEM kawi colors. It could use a good polish and buff. Maybe a refresher wet sand as well. Por-15 on the engine and cases/covers. Which could be redone, in some spots its super rough texture.
Fork seals need replacing, also repainting fork tubes, PO said brake fluid leaked out the front master and created a mess on the right side. The front and rear master also need full rebuilds. It could use some wheel bearings.
So as it sits now, I want to have the cams checked for specs, also the cam chain needs replacing bc its pretty stiff. Ive read that the bottom end doesn't have to be split to do this. The top end was refreshed before paint minus a valve job. I will go thru and inspect the head. I remember reading somewhere saying the `82 750 could use a cam upgrade? am i correct in saying the 84 gpz 750 cams? or someone have a link to reliable aftermarket cams. I am getting my links down and saved but haven't found those yet. The whole bike needs wiring including getting a taillight/taglight. I was told the carbs were cleaned before shelving... 4 years ago, so those will get refreshed too. Theres a ton of rubber on this bike that needs to be replaced including seals, master cylinders, brake calipers. Clutch grommets.
Hate me or love me but I think I want to convert the front end over to a sport bike front end. I found cognito moto does a front end conversion for gsxr forks, and yamaha r6/r1 forks. I also think the larger front wheel thats stock looks off and would better match the 16'' rear with a 17'' front.
I know I'm forgetting many things. It needs all the loose ends tied up.
All in all it just seems like a lot of labor, busted knuckles and many trips to the beer fridge.
Replied by LouisDePasquale1980KZ550C on topic 1980 KZ550 C1 LTD Swing Arm Bearing and Sleeve Replacement
22 Jan 2019 16:19
LouisDePasquale1980KZ550C
loudhvx wrote: The trouble I've had when attempting things like that is that the act of welding tends to cause the piece to distort as it cools. Did you have to heat the entire piece before welding?
I didn't do the welding myself. One of the experienced, professional welders at my work did. I explained to them what the sleeve was for, and they did the rest. But yes, they did heat the sleeve before welding it. After it cooled I ground it round on a surface grinder. I then took it to our inspection department; and we checked it on the CMM. There was no sign of distortion. At least none of any consequence. Not to say there won't be after the harden process. But when I get the sleeve back from the other shop; we will be checking it again on the CMM. And if we have any concerns with checking like that, we can gain access to air gauges. I contacted several motorcycle dealers and repair shops and inquired what they do in this situation. And welding is what most of them said they did. Some did mention cutting the sleeve down and using a three piece sleeve approach as well. But they did all say that if I had the means to go the route I did, then do so. They said it's easier dealing with the one piece sleeve, rather than 3 pieces. But depending on how the sleeve checks out tomorrow, I may have to go the three piece route.
I really appreciate the info I've gotten from this sight. It has been invaluable. And I'm also glad I came across your warning about the KZ550 valve train. After I rebuild the front forks and get the wheels back on the bike I will be tackling the engine.
My goal is to keep it going at least another 11 years. Both the bike and I will then be turning 50 together (Myself Jan and the Bike Feb).
Replied by loudhvx on topic 1980 KZ550 C1 LTD Swing Arm Bearing and Sleeve Replacement
22 Jan 2019 13:34
loudhvx
The trouble I've had when attempting things like that is that the act of welding tends to cause the piece to distort as it cools. Did you have to heat the entire piece before welding?
Replied by Scirocco on topic New rebuild after 10 years "deep sleep" mode
22 Jan 2019 13:03 - 22 Jan 2019 13:20
Scirocco
DOHC wrote:
Have you considered using a rotary shaft seal instead of an o-ring? It seems like a shaft seal might be both lower friction and less likely to wear out.
Yes i do but two o-rings on both sides with a lot of grease and a mini fender on the underside of the swing arm do the same job.
The needle bearing has a very special OD of 27 mm, BKM2024JAU (KOYO), and i had to do some extra bore diameter of 28 mm
but i think about it to do it later, thanks for the tip.
DOHC wrote:
I also wanted to say that this is the cleanest mono-shock conversion I've ever seen. Your clever and elegant use of the existing frame brackets is fantastic.
Thank you very much for your kind of words, it makes me a little proud.
I love the bolt on way and if i went back to twin shock the mono shock frame can stay there to strengthen the frame area.
The technical testing center inspector in Germany hate frame weldings and deny the inspection sticker without an welding report,(money pit).
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