Z1 900 double rear sprokets?

  • oldkaws4ever
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Z1 900 double rear sprokets?

19 Dec 2008 21:28
#253623
i was crusing google images and came across this site, the guy has a bunch of kz 1000's and a 900. The one thing that got my attention was a 73 z1 he bought for 50 bucks, it has a really cool lookid double rear sproket.............any of you guys know who sold it or any info on them? Here is the link, cick on 73 z1 900 on the bottom of the page.

images.google.com/imgres?imgurl=http://w...&tbnw=131&prev=/imag
74 Z1a 900 (Apart and making it better than ever)
77 Kz 650b (Threw a rod, going to sandwich in a 900 or 1000 motor)
76 Kz 400d
05 ninja zx-636
81 Kz 750 Ltd
Darien, Illinois

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  • PLUMMEN
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Re: Z1 900 double rear sprokets?

20 Dec 2008 03:07
#253629
must of thought he was building a top fueler backin the days of junkchains!B)
Still recovering,some days are better than others.

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  • The Fish
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Re: Z1 900 double rear sprokets?

20 Dec 2008 03:13 - 20 Dec 2008 03:14
#253630
I've been told that they were made by RC Engineering. I have these and they are unmarked. The rears are aluminum and the front is steel. I have been told that you need to trim/delete the tin cover at the front sprocket and it may not fit the stock chain guard.
Ashubi (SP?) still makes the chains for this set up.
Fish
400
Last edit: 20 Dec 2008 03:14 by The Fish. Reason: add picture

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  • Jeff.Saunders
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Re: Z1 900 double rear sprokets?

20 Dec 2008 05:07
#253636
There's been a couple of companies who did this back in the 70's.

AZUSA is one. I have the documentation here somewhere for one of their chain/sprocket combinations. What was bad about it, you had to chop a chunk out of the fromt sprocket cover.
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  • Bad Kaw
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Re: Z1 900 double rear sprokets?

20 Dec 2008 07:41
#253656
Wow...thought I had seen it all...interesting.
78 Kawasaki Z1R
81 Kawasaki KZ1000J (mods)
82 Kawasaki ELR Clone (1000 J)
82 Kawasaki KZ750R1/GPz750 ELR-ed
70 Kawasaki KV75
83 Honda CB1100F (few mods)
79 Suzuki GS1000 (rolling frame / project / junk)
84 Suzuki GS1150ES (modified project)
83 Yamaha XJ900R (project / junk)

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  • oldkaws4ever
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Re: Z1 900 double rear sprokets?

20 Dec 2008 09:43
#253680
What was the reason 4 this set up? Besides looking really cool? I wish i could find one i would run it in a heartbeat.
74 Z1a 900 (Apart and making it better than ever)
77 Kz 650b (Threw a rod, going to sandwich in a 900 or 1000 motor)
76 Kz 400d
05 ninja zx-636
81 Kz 750 Ltd
Darien, Illinois

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Re: Z1 900 double rear sprokets?

20 Dec 2008 10:35
#253686
this gives me a great idea...i'm gonna glue an extra sneaker inside the ones i'm wearing for extra strength and stability...i'm gonna make sooo much money....and be sooo cool....next my dual rear tire project and eight carbs..dual handle bars...watch out rossi
1976 KZ900
2003 ZX12R
2007 FZ1000
2004 ninja 250R for wife

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Re: Z1 900 double rear sprokets?

20 Dec 2008 11:58
#253699
MANY years ago, they used to use these on Top Fuelers and maybe funnybikes. Chains weren't the best then and with the power these bikes were making back then, chains didn't last long, so someone came up with this set-up and most of your high horsepower bikes used this set-up. Once chains caught up to the rest of the bike, then they didn't need the double row chain/sprocket combination.
1980 LTD (changed over the years), 1979 LTD (being rebuilt), 1977 KZ turbo and various KZ's in various states of build. KLX110

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  • sbulla
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Re: Z1 900 double rear sprokets?

20 Dec 2008 12:09
#253702
I think I'd be more interested in a belt set up like HD runs. I had two of 'em ('95 Sportster, '00 Softail) and was really impressed with their smoothness and strenght. I even did a few burnouts with that heavy ol' softail and it didn't complain a bit.

A lot cleaner than a chain also.

Anyone know of a kit? ;-)

Sonny
Now----
1980 KZ1000 LTD (Kerker 4-1, K&N pods, Dyna gray coils)


Gone but not forgotten----
1966 Honda 305 Superhawk
1969 HD 350 Sprint
1971 500 H1
1972 250 F8
1972 750 H2
1973 KX250
1995 HD Sportster 1200
2000 HD Softail
2002 KLR650

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  • gane
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Re: Z1 900 double rear sprokets?

20 Dec 2008 12:14
#253703
Anybody here remember NEP?
[img][/img] 1977 KZ1000A1

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  • oldkaws4ever
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Re: Z1 900 double rear sprokets?

20 Dec 2008 12:23
#253709
sbulla wrote:
I think I'd be more interested in a belt set up like HD runs. I had two of 'em ('95 Sportster, '00 Softail) and was really impressed with their smoothness and strenght. I even did a few burnouts with that heavy ol' softail and it didn't complain a bit.

A lot cleaner than a chain also.

Anyone know of a kit? ;-)

Sonny

Hmm a belt drive set up......that is a good idea, i had an 03 hd buell firebolt xb9r with a belt, i wheelied that thing and burrned a whole tire at once, but the belt held up great.
74 Z1a 900 (Apart and making it better than ever)
77 Kz 650b (Threw a rod, going to sandwich in a 900 or 1000 motor)
76 Kz 400d
05 ninja zx-636
81 Kz 750 Ltd
Darien, Illinois

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Re: Z1 900 double rear sprokets?

20 Dec 2008 16:19
#253734
Could you even get a chain for that anymore? it would look pretty interesting on a street bike.
1979 Kz1000 MKII road racer project
1994 Seca II, pile in the corner
1973 Honda cb175 cafe racer
1971 Yamaha AT1
1975 Massey Fergusson MF440
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