1975 z1 900 front end upgrade

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03 Sep 2013 15:11 #604634 by mardimus
Replied by mardimus on topic 1975 z1 900 front end upgrade
Those look about right. Should I keep them or change them out?

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03 Sep 2013 15:22 #604636 by pete greek1
Replied by pete greek1 on topic 1975 z1 900 front end upgrade
zresto.com/ did my gauges, great job !!





1980 LTD 1000..,1976 LTD 900, have the 1000&900 now. the rest are previous= 1978 KZ 650 B.., 1980 Yamaha XT 500..,1978 Yamaha DT 400.., 1977 Yamaha yz 80..,Honda trail ct 70.., Honda QA 50...5-1/2 hp brigs & straton CAT chopper mini bike...3-1/2 hp mini bike (WHEN GAS WAS ABOUT 45 CENTS A GALLON)!!!!
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03 Sep 2013 15:25 #604638 by mardimus
Replied by mardimus on topic 1975 z1 900 front end upgrade
Those look amazing Pete Greek1. I may have to do the same. Do you have a before pic?

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03 Sep 2013 16:38 #604654 by Kidkawie
Replied by Kidkawie on topic 1975 z1 900 front end upgrade
This bike was missing the gauges so I bought this complete dash from ZResto.


1975 Z1 900
1994 KX250 Supermoto
2004 KX125
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03 Sep 2013 16:59 #604663 by pete greek1
Replied by pete greek1 on topic 1975 z1 900 front end upgrade
Did'nt take any b-4 pics. my original speedo was in great shape, but only went up to 85 MPH, so I bought this speedo on E-bay, it had a cracked glass some rust & faded, Looked like brand new when I got it back, as you can see :)

1980 LTD 1000..,1976 LTD 900, have the 1000&900 now. the rest are previous= 1978 KZ 650 B.., 1980 Yamaha XT 500..,1978 Yamaha DT 400.., 1977 Yamaha yz 80..,Honda trail ct 70.., Honda QA 50...5-1/2 hp brigs & straton CAT chopper mini bike...3-1/2 hp mini bike (WHEN GAS WAS ABOUT 45 CENTS A GALLON)!!!!

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03 Sep 2013 17:56 #604683 by mardimus
Replied by mardimus on topic 1975 z1 900 front end upgrade
That is the same dash as mine. What did it run you? How much do you think it would cost to have them redo my gauges? I am thinking about buying a set like you did and parting mine out on ebay or the forum. Thoughts?

Kidkawie wrote: This bike was missing the gauges so I bought this complete dash from ZResto.

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03 Sep 2013 17:56 #604684 by mardimus
Replied by mardimus on topic 1975 z1 900 front end upgrade
What did it cost you to have it fixed?

pete greek1 wrote: Did'nt take any b-4 pics. my original speedo was in great shape, but only went up to 85 MPH, so I bought this speedo on E-bay, it had a cracked glass some rust & faded, Looked like brand new when I got it back, as you can see :)

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03 Sep 2013 18:30 #604688 by Patton
Replied by Patton on topic 1975 z1 900 front end upgrade

mardimus wrote: What did it cost you to have it fixed?....


According to www.zresto.com/ --
Individual gauge restoration prices can vary based on the parts required - most gauge restoration is $95.00.

Good Fortune! :)

1973 Z1
KZ900 LTD

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03 Sep 2013 22:43 #604723 by bluezbike
Replied by bluezbike on topic 1975 z1 900 front end upgrade

mardimus wrote: I tried searching which carbs I have and no luck. They do not match any of the carbs listed on the Z1 carb guide. Any other thoughts. I ran a few searches but no luck. I found a real clean set on Ebay to purchase, they are . . . Carbs 29mm Mikuni Smooth Bores drag bike kz900 kz1000 z1 smoothbore

Would these work?


Those 29 smoothies will work, they were a very popular go-fast goodie.....stock were 28's. Just curious how much are the smoothbores going for?

79 KZ 1000 LTD
77 KZ 1000 B1 LTD (awaiting electrical resurrection)

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04 Sep 2013 04:23 #604745 by MDawnz1
Replied by MDawnz1 on topic 1975 z1 900 front end upgrade
It looks you are getting alot of good info.
Some of the "little" tricks I have done to my Z1a.
On the front end,
I swapped the fork tubes side to side so my brake caliper is on the right side and behind the fork leg.
MUCH less steering input from the brakes while braking.(it's physics)
I run a 3.50v19 NOT a3.25 front Metzeler laser tire.
I can make it howl with 2 fingers and slide with 3 .
That's enough brake for me.
With a single disc.
And I put aircaps on the forks, just 1 or 2 psi cuts WAY down on the dive while braking.
And I sanded the top inside of the fork wipers so they wont let water in but don't act like hose clamps either.
OH and I think I have been thru 3 sets of leak proof seals over the years.
15 wt kelgard fork oil, I think I run 10/15cc's more the the book calls for.

Is it as good as a new upsidedown fork? NOPE
Is it as good as I can get after 30 years? YUP
Is it MUCH better then stock? You bet!!!

PS I use a little hand pump made by S&W ,for the air, gas station air will hurt air suspension.

1974 Z1a, still 903
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04 Sep 2013 10:50 #604773 by pete greek1
Replied by pete greek1 on topic 1975 z1 900 front end upgrade
Like Patton said , it all depends on the parts required .

1980 LTD 1000..,1976 LTD 900, have the 1000&900 now. the rest are previous= 1978 KZ 650 B.., 1980 Yamaha XT 500..,1978 Yamaha DT 400.., 1977 Yamaha yz 80..,Honda trail ct 70.., Honda QA 50...5-1/2 hp brigs & straton CAT chopper mini bike...3-1/2 hp mini bike (WHEN GAS WAS ABOUT 45 CENTS A GALLON)!!!!

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04 Sep 2013 17:34 #604827 by MDawnz1
Replied by MDawnz1 on topic 1975 z1 900 front end upgrade
I believe STOCK, the engine covers (NOT cases) came polished and then clear coated with a few coats of lacquer,same with the lower fork legs.

The stock carbs for a Z1b are VM28SC.

And surprisingly, jetted somewhat differently that the Z1 or Z1a.

Mike

1974 Z1a, still 903
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