Search Results (Searched for: gs swing arm)
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
531blackbanshee
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
Replied by scubaanders on topic Swing arm mod Z1/ZZR1200
09 Dec 2015 08:12
scubaanders
Sorry Steve, not my meaning to hi-jack your thread. . . . .
Leon, drilling that long is out, it will not come out clean.
We are toying with the idea of taking the old pivot tube that has an ID of 16mm and an OD of 22mm and mill down the OD to ~20.01. Cut it in to two 20-25 mm long bushings and press them into the new pivot tube and secure them with a weld.
But that method depends on how hard the old pivot is hardened. If it’s too hard to mill our backup plan is to buy a piece of precision steel tube with a ID 16 and mill the outside to ~20.01 and go with that.
The beauty of your top-hats is that then we don’t need to fit a stopper onto the swingarm studs inside the frame which was a part of our original plan.
/A
Leon, drilling that long is out, it will not come out clean.
We are toying with the idea of taking the old pivot tube that has an ID of 16mm and an OD of 22mm and mill down the OD to ~20.01. Cut it in to two 20-25 mm long bushings and press them into the new pivot tube and secure them with a weld.
But that method depends on how hard the old pivot is hardened. If it’s too hard to mill our backup plan is to buy a piece of precision steel tube with a ID 16 and mill the outside to ~20.01 and go with that.
The beauty of your top-hats is that then we don’t need to fit a stopper onto the swingarm studs inside the frame which was a part of our original plan.
/A
Replied by SWest on topic Swing arm mod Z1/ZZR1200
09 Dec 2015 06:33
SWest
That's the set up. I'll send you a PM about the price of the top hat bushings. 
Steve
Steve
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