Search Results (Searched for: gs swing arm)
Replied by davido on topic CSR1000 Project Build
10 Dec 2015 05:53
davido
Its from a GSXR600,not sure what year. It was on a list of fittable swingers that Leon posted .The gixer pivot bolt is very fat so I had a reducing sleeve made to take the original Kwak pivot bolt. Other than that, a couple of spacers to take up side play( I think 3 or 4mm +-)
I did need to grind off the rear footrest/exhaust hangers as they were in the way of the 'swing' and when I centered everything up,I also had to grind 1 or 2mm from the righthand side of the arm, also to give a bit of clearance twixt the frame downtubes and the swingarm.
At the back end,I used a Bandit 600 wheel which has the same diameter axle as the Kwak. The Gixer has a very fat axle so I needed inserts machined and pressed into the chain tensioners. I think I also used a slightly longer axle than the original but I was able to keep all the wheel bearings and the caliper mount and had a selection of wheel spacers to use (Bandit/Kwak)to get everything sitting right.
A couple of shock mounts welded on and that was it.
Hope this helps.
I did need to grind off the rear footrest/exhaust hangers as they were in the way of the 'swing' and when I centered everything up,I also had to grind 1 or 2mm from the righthand side of the arm, also to give a bit of clearance twixt the frame downtubes and the swingarm.
At the back end,I used a Bandit 600 wheel which has the same diameter axle as the Kwak. The Gixer has a very fat axle so I needed inserts machined and pressed into the chain tensioners. I think I also used a slightly longer axle than the original but I was able to keep all the wheel bearings and the caliper mount and had a selection of wheel spacers to use (Bandit/Kwak)to get everything sitting right.
A couple of shock mounts welded on and that was it.
Hope this helps.
Replied by 531blackbanshee on topic Swing arm mod Z1/ZZR1200
10 Dec 2015 03:13
531blackbanshee
the side legs and crossmember where the linkage mounts are aluminum extrusions,way stronger than cast.
thing looks suspicously like the zx6/636 arms.except your arm has a solid steel center bushing/race.
whereas the 6/636 arms have an aluminum center bushing with separate race pressed on.
so what does that arm measure across the pivot?
leon
thing looks suspicously like the zx6/636 arms.except your arm has a solid steel center bushing/race.
whereas the 6/636 arms have an aluminum center bushing with separate race pressed on.
so what does that arm measure across the pivot?
leon
Replied by Nola on topic 78 Z1R upgrades
09 Dec 2015 18:42
Nola
redhawk4 wrote:z1kzonly wrote:Cool Nola. What a Score you got with that motorcycle! Good Luck with it all! I might be wrong with the 78's.Nola wrote:z1kzonly wrote:Leon, he might not be aware that the later year KZ swing arms have needle bearings already?531blackbanshee wrote: curious as to why you would put bronze pivot bushing in place of the needle bearings ????
leon
Correct sir.
But the 80 Z1R had a double wall reinforcement up at the steering head coming down in the down tubes?
And a little history about the Z1R's. No one bought them in 78, they were called ugly. The Factory had too much inventory. Dealers still had new ones in stock to sell 2 & 3 years after their introduction. That's why there was not a 1979 Z1R.
Then they changed up the 1980. Different sized tank, 19" front rim. But that's about all I know about them.
Your off to a GREAT start!
Enjoy it!
It is strange to me how the Z1R is so popular now, because as you rightly say they were really poor sellers at the time, which is why they came up with putting the Turbo's on them to move them out of the showrooms. I really didn't like them back in 78, much preferred the normal KZ1000. However nearly 40 years later I find them much more appealing than I did in 78, I still recall looking at one in the dealer showroom and calling my friend over" look a Z1R" in those days just the fact it was a 1000cc bike was cause for excitement, but it was not really appealing to me. Perhaps it was ahead of it's time, we certainly weren't used to the "square look" back then and I guess others felt the same way based on sales. Am I right in thinking that as the 78 sold so slowly, there is no 79 model?
I'm not the expert, but while the Z1R was one year only...78...there was a Z1R 2....it was available in 1980 in the US. It was similar in appearance but better handling, and a better motor.
At least that's my understanding.
Replied by redhawk4 on topic 78 Z1R upgrades
09 Dec 2015 18:06
redhawk4
z1kzonly wrote:Cool Nola. What a Score you got with that motorcycle! Good Luck with it all! I might be wrong with the 78's.Nola wrote:z1kzonly wrote:Leon, he might not be aware that the later year KZ swing arms have needle bearings already?531blackbanshee wrote: curious as to why you would put bronze pivot bushing in place of the needle bearings ????
leon
Correct sir.
But the 80 Z1R had a double wall reinforcement up at the steering head coming down in the down tubes?
And a little history about the Z1R's. No one bought them in 78, they were called ugly. The Factory had too much inventory. Dealers still had new ones in stock to sell 2 & 3 years after their introduction. That's why there was not a 1979 Z1R.
Then they changed up the 1980. Different sized tank, 19" front rim. But that's about all I know about them.
Your off to a GREAT start!
Enjoy it!
It is strange to me how the Z1R is so popular now, because as you rightly say they were really poor sellers at the time, which is why they came up with putting the Turbo's on them to move them out of the showrooms. I really didn't like them back in 78, much preferred the normal KZ1000. However nearly 40 years later I find them much more appealing than I did in 78, I still recall looking at one in the dealer showroom and calling my friend over" look a Z1R" in those days just the fact it was a 1000cc bike was cause for excitement, but it was not really appealing to me. Perhaps it was ahead of it's time, we certainly weren't used to the "square look" back then and I guess others felt the same way based on sales. Am I right in thinking that as the 78 sold so slowly, there is no 79 model?
Nola
z1kzonly wrote:Cool Nola. What a Score you got with that motorcycle! Good Luck with it all! I might be wrong with the 78's.Nola wrote:z1kzonly wrote:Leon, he might not be aware that the later year KZ swing arms have needle bearings already?531blackbanshee wrote: curious as to why you would put bronze pivot bushing in place of the needle bearings ????
leon
Correct sir.
But the 80 Z1R had a double wall reinforcement up at the steering head coming down in the down tubes?
And a little history about the Z1R's. No one bought them in 78, they were called ugly. The Factory had too much inventory. Dealers still had new ones in stock to sell 2 & 3 years after their introduction. That's why there was not a 1979 Z1R.
Then they changed up the 1980. Different sized tank, 19" front rim. But that's about all I know about them.
Your off to a GREAT start!
Enjoy it!
Thanks.....Ya I believe the 78 had the extra gusseting at the head, as far as I know the lack of interest Was one of the reasons Kawi sent a bunch to have turbos installed in a hope to sell them..I read that they were still selling 78's four years later in the UK. Funny how they are so coveted now.
Replied by z1kzonly on topic 78 Z1R upgrades
09 Dec 2015 14:25
z1kzonly
Cool Nola. What a Score you got with that motorcycle! Good Luck with it all! I might be wrong with the 78's.Nola wrote:z1kzonly wrote:Leon, he might not be aware that the later year KZ swing arms have needle bearings already?531blackbanshee wrote: curious as to why you would put bronze pivot bushing in place of the needle bearings ????
leon
Correct sir.
But the 80 Z1R had a double wall reinforcement up at the steering head coming down in the down tubes?
And a little history about the Z1R's. No one bought them in 78, they were called ugly. The Factory had too much inventory. Dealers still had new ones in stock to sell 2 & 3 years after their introduction. That's why there was not a 1979 Z1R.
Then they changed up the 1980. Different sized tank, 19" front rim. But that's about all I know about them.
Your off to a GREAT start!
Enjoy it!
Replied by Nola on topic 78 Z1R upgrades
09 Dec 2015 13:14
Nola
z1kzonly wrote:Leon, he might not be aware that the later year KZ swing arms have needle bearings already?531blackbanshee wrote: curious as to why you would put bronze pivot bushing in place of the needle bearings ????
leon
Correct sir.
Replied by SWest on topic Swing arm mod Z1/ZZR1200
09 Dec 2015 12:55
SWest
Took forever to upload. Damn HP lap top kept going to sleep mode. Had to go into settings and set it at never. I've had to undo just about everything they loaded onto this thing. Stations coming on, not letting me install things I want, you name it.
Anyway here's the clips. They're short so it shouldn't have taken so long.
Let me know what you guys think.
Steve
Anyway here's the clips. They're short so it shouldn't have taken so long.
Let me know what you guys think.
Steve
Replied by z1kzonly on topic 78 Z1R upgrades
09 Dec 2015 12:40
z1kzonly
Leon, he might not be aware that the later year KZ swing arms have needle bearings already?531blackbanshee wrote: curious as to why you would put bronze pivot bushing in place of the needle bearings ????
leon
Replied by Nola on topic 78 Z1R upgrades
09 Dec 2015 11:43
Nola
531blackbanshee wrote:Nola wrote:531blackbanshee wrote: curious as to why you would put bronze pivot bushing in place of the needle bearings ????
leon
I plan on riding it somewhat aggressive but not right to the edge....so I was thinking based on riding style, ease of maintenance, and with everything else I'm doing to it the bushings would be suitable?
I'm not that informed on the needles though, and would welcome your opinion.
Cheers
the early 900's had bushings,the later bikes got needle bearings.
sooo,did kawasaki consider it an upgrade??? i don't know...
but no other later kawasaki's returned to bushings,they all have needles or a combination of ball bearing and needles depending on the model.
if you plan on "spirited" riding i would consider a stiffer swingarm to be the first handling upgrade.
as the seamed tubing used in the swingarms is slightly stiffer than a noodle.
and, when pushed hard is the biggest cause of instability imho.
i have 3 78 z1r's and one 80 z1r and have never felt that they didn't stop well enough.
so you may want to get the stock brakes up in working order and decide then if you want to upgrade or not.
here is a pic of my 80 z1r which i custom built a braced chromoly arm to deal with my "spirited"riding.
i have a little too much tire(190mm wide)but i like the look and love the stability of the braced arm and large contact patch.
as you can see i upgrade my rear brake to the blue spot r1 rear brake and can't tell any advantage over the stock rear brake.
leon
p.s. i do plan to convert my front end to a usd and matching r1 front wheel and brakes.
the way it sits now is the best handling kz i have ever ridden,my hope is that it handles and stops at least as good as it does now when i convert the front end.hth
Stupid me, I just assumed it came with bushings. Obviously il go with needle bearings, cool bike by the way.
Cheers
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