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TOPIC: Zukiworks build's a ZRX

Zukiworks build's a ZRX 01 Mar 2017 15:15 #755540

  • turboguzzi
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hei zuk, looks like some there's room for tinkering :) defo like the idea of the 11 motor in there.... stealthy !

one tip though, unless you enjoy carving big blocks of aluminum just for fun, would do those downdraft manifold from Delrin

so muche easier to cut and machine and if they hold up in my aircooled race 750/810, they will certainly hold in a water cooled motor

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Zukiworks build's a ZRX 01 Mar 2017 20:35 #755554

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T/G tinkering is why I'm cutting test parts from the hickory blocks
1980 KZ650 F1
ZX750A1 motor.
Wiseco 810cc kit.
Zukiworks racing ported head.
VM 29 smooth bore's.
Dyna 2000 Ign. w/Dyna mini coil's
APE cylinder stud's and nut's.
APE valve spring's.
APE Track King clutch.
V/H KZ1000 sidewinder.
3.5x18 laced to a KZ1000 disk hub.
150/60/18 Shinko 006 Podium.
63"...

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Zukiworks build's a ZRX 02 Mar 2017 04:24 #755574

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zuk, what i meant is to use delrin for the actual pieces not the tinkering :)

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Zukiworks build's a ZRX 02 Mar 2017 19:30 #755640

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At this point I'm just trying to fit carbs and some kind of air box/plenum filter setup.
1980 KZ650 F1
ZX750A1 motor.
Wiseco 810cc kit.
Zukiworks racing ported head.
VM 29 smooth bore's.
Dyna 2000 Ign. w/Dyna mini coil's
APE cylinder stud's and nut's.
APE valve spring's.
APE Track King clutch.
V/H KZ1000 sidewinder.
3.5x18 laced to a KZ1000 disk hub.
150/60/18 Shinko 006 Podium.
63"...

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Zukiworks build's a ZRX 08 Mar 2017 05:21 #756150

  • riturbo
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Looks good dave . Going to be a ripper when you get it all together .

Is that Muzzy pipe for sale ?
Gpz 750 turbo The one I ride
Gpz 750 turbo Not finished
Gpz 750 turbo Not started
Gpz 550 1981
Gpz 550 1983
Bunch of other junk

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Zukiworks build's a ZRX 08 Mar 2017 09:17 #756168

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I do have a left side Muzzy for sell call me you still have my number right.
1980 KZ650 F1
ZX750A1 motor.
Wiseco 810cc kit.
Zukiworks racing ported head.
VM 29 smooth bore's.
Dyna 2000 Ign. w/Dyna mini coil's
APE cylinder stud's and nut's.
APE valve spring's.
APE Track King clutch.
V/H KZ1000 sidewinder.
3.5x18 laced to a KZ1000 disk hub.
150/60/18 Shinko 006 Podium.
63"...

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Zukiworks build's a ZRX 11 Mar 2017 07:36 #756409

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Hey dave sorry my phone crapped out on me the other day . Then got busy getting the plow trucks rigged out again . Had everything put away . Got snow yesterday and forecasting another big storm tuesday . Havent had snow in march in years . Guess winter isnt over in the northeast. Will give you a call in the next few days . Will make sure the phone is charged up this time .
Gpz 750 turbo The one I ride
Gpz 750 turbo Not finished
Gpz 750 turbo Not started
Gpz 550 1981
Gpz 550 1983
Bunch of other junk

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Zukiworks build's a ZRX 14 May 2017 06:34 #761913

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Got side tracked with a customers KZ1000 but had some time to mess with this this thing.
I decided since I've got all the gaskets and a set of new Kaw. rings I'm gonna just swap on a ZRX head and do the downdraft
head later.

ZX cams look to be in great shape so them and the ZX double valve springs will go in the ZRX head.

Pistons look good for the miles on the motor so a quick hone and new rings and I should start putting it back together today.
1980 KZ650 F1
ZX750A1 motor.
Wiseco 810cc kit.
Zukiworks racing ported head.
VM 29 smooth bore's.
Dyna 2000 Ign. w/Dyna mini coil's
APE cylinder stud's and nut's.
APE valve spring's.
APE Track King clutch.
V/H KZ1000 sidewinder.
3.5x18 laced to a KZ1000 disk hub.
150/60/18 Shinko 006 Podium.
63"...

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Last edit: by zukdave.

Zukiworks build's a ZRX 14 May 2017 06:46 #761915

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Also needed to figure out what to do for handle bars with the forks slid up they needed to be moved forward
a few inch so played around and with moving the fairing down and forward a little I came up with this.



1980 KZ650 F1
ZX750A1 motor.
Wiseco 810cc kit.
Zukiworks racing ported head.
VM 29 smooth bore's.
Dyna 2000 Ign. w/Dyna mini coil's
APE cylinder stud's and nut's.
APE valve spring's.
APE Track King clutch.
V/H KZ1000 sidewinder.
3.5x18 laced to a KZ1000 disk hub.
150/60/18 Shinko 006 Podium.
63"...

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Zukiworks build's a ZRX 25 May 2017 19:16 #762742

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Got a little more done got the handle bars are tack welded enough to get a feel for the placement.
Moved the fairing around a little to work with the bars ended up lowering it about 3/4" and rolling it back just a little.
Brake's are done on both ends.
Fitted the chain and looks like I'll need to swap to a ZRX front sprocket and spacer then have the rear sprocket carrier
machined to move the sprocket in to get the chain passed the frame tube.

On to the cylinder head got the ZRX head out to see what needs done to it and being me thought the stock ports look
like shit so fixing that issue.

1980 KZ650 F1
ZX750A1 motor.
Wiseco 810cc kit.
Zukiworks racing ported head.
VM 29 smooth bore's.
Dyna 2000 Ign. w/Dyna mini coil's
APE cylinder stud's and nut's.
APE valve spring's.
APE Track King clutch.
V/H KZ1000 sidewinder.
3.5x18 laced to a KZ1000 disk hub.
150/60/18 Shinko 006 Podium.
63"...

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Last edit: by zukdave.

Zukiworks build's a ZRX 05 Jun 2017 17:06 #763665

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Got the port work done still need to take it and have the valve job done finish getting the motor back together.





1980 KZ650 F1
ZX750A1 motor.
Wiseco 810cc kit.
Zukiworks racing ported head.
VM 29 smooth bore's.
Dyna 2000 Ign. w/Dyna mini coil's
APE cylinder stud's and nut's.
APE valve spring's.
APE Track King clutch.
V/H KZ1000 sidewinder.
3.5x18 laced to a KZ1000 disk hub.
150/60/18 Shinko 006 Podium.
63"...

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Zukiworks build's a ZRX 21 Aug 2017 17:12 #769394

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I"m caught up with customer work till part's get here so should have some time this week dig this out and get the head done.
1980 KZ650 F1
ZX750A1 motor.
Wiseco 810cc kit.
Zukiworks racing ported head.
VM 29 smooth bore's.
Dyna 2000 Ign. w/Dyna mini coil's
APE cylinder stud's and nut's.
APE valve spring's.
APE Track King clutch.
V/H KZ1000 sidewinder.
3.5x18 laced to a KZ1000 disk hub.
150/60/18 Shinko 006 Podium.
63"...

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Zukiworks build's a ZRX 08 Sep 2017 21:29 #770627

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Over the weekend I dropped the head off to have the valve work over the week end and should get it back Monday.
1980 KZ650 F1
ZX750A1 motor.
Wiseco 810cc kit.
Zukiworks racing ported head.
VM 29 smooth bore's.
Dyna 2000 Ign. w/Dyna mini coil's
APE cylinder stud's and nut's.
APE valve spring's.
APE Track King clutch.
V/H KZ1000 sidewinder.
3.5x18 laced to a KZ1000 disk hub.
150/60/18 Shinko 006 Podium.
63"...

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Zukiworks build's a ZRX 17 Sep 2017 14:06 #771105

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Curtis went out of town last week so my head didn't get finished but he said I should get it back tomorrow.

Moved it to the A/C side of the shop so I can work on it.

Had a few hours this morning to mess with the chain and sprocket alignment and looks like
I need to take about an 1/8" off the motor side of the off set front ZX sprocket and the same off the rear sprocket carrierto get the chain past the frame. If I use the flat ZRX front sprocket the chain will get into the tire.


Lower shock mounts on this arm are not in the right place and pull the shocks in at the bottom but an easy fix
I'll cut them off and make a new set.

1980 KZ650 F1
ZX750A1 motor.
Wiseco 810cc kit.
Zukiworks racing ported head.
VM 29 smooth bore's.
Dyna 2000 Ign. w/Dyna mini coil's
APE cylinder stud's and nut's.
APE valve spring's.
APE Track King clutch.
V/H KZ1000 sidewinder.
3.5x18 laced to a KZ1000 disk hub.
150/60/18 Shinko 006 Podium.
63"...

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Zukiworks build's a ZRX 08 Oct 2017 17:18 #772554

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Had a good two day's to work on this and got to this point.
1980 KZ650 F1
ZX750A1 motor.
Wiseco 810cc kit.
Zukiworks racing ported head.
VM 29 smooth bore's.
Dyna 2000 Ign. w/Dyna mini coil's
APE cylinder stud's and nut's.
APE valve spring's.
APE Track King clutch.
V/H KZ1000 sidewinder.
3.5x18 laced to a KZ1000 disk hub.
150/60/18 Shinko 006 Podium.
63"...

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Zukiworks build's a ZRX 10 Oct 2017 05:37 #772630

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Nice sounds great .
Gpz 750 turbo The one I ride
Gpz 750 turbo Not finished
Gpz 750 turbo Not started
Gpz 550 1981
Gpz 550 1983
Bunch of other junk

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Zukiworks build's a ZRX 26 Nov 2017 05:44 #775094

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Well I've had some time to mess with this and got to take it for a little test ride last night.
I still need to go by Dan's and get an air box setup then will be able to get it out for a real test ride.
1980 KZ650 F1
ZX750A1 motor.
Wiseco 810cc kit.
Zukiworks racing ported head.
VM 29 smooth bore's.
Dyna 2000 Ign. w/Dyna mini coil's
APE cylinder stud's and nut's.
APE valve spring's.
APE Track King clutch.
V/H KZ1000 sidewinder.
3.5x18 laced to a KZ1000 disk hub.
150/60/18 Shinko 006 Podium.
63"...

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Zukiworks build's a ZRX 29 Nov 2017 18:36 #775319

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What did you do with the green white and purple tank and the Muzzy pipe that came with the zrx?
1982 GS1000sz Katana ( #42....17K Miles)
1982 GS1000sz Katana ( # 297....7100k Miles)
1978 Kz1000 Z1R. 10K Miles1
1977 KZ 1000 A ( Project ) 54K Miles
1976 Kz900A4 (Red)21K miles
1976 Kz900A4 ( Green )40Kmiles
1974 Z1 900A ( Project)
1975 GT750m 18k miles

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Zukiworks build's a ZRX 30 Nov 2017 05:04 #775331

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Long story on that but I did some trading with Will I got this bike from that I ended up with the black tank and left side Muzzy
pipe and both the ZRX and the ZX-11 for free.
1980 KZ650 F1
ZX750A1 motor.
Wiseco 810cc kit.
Zukiworks racing ported head.
VM 29 smooth bore's.
Dyna 2000 Ign. w/Dyna mini coil's
APE cylinder stud's and nut's.
APE valve spring's.
APE Track King clutch.
V/H KZ1000 sidewinder.
3.5x18 laced to a KZ1000 disk hub.
150/60/18 Shinko 006 Podium.
63"...

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Zukiworks build's a ZRX 02 Dec 2017 06:34 #775415

  • zukdave
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Was able to get this out for a shake down ride last night put about 10 miles on it with no issue's.
Did a few part throttle test hit's and with no burnout on a cold tire/street it wass lifting the front wheel through
second gear and pull's real strong.
1980 KZ650 F1
ZX750A1 motor.
Wiseco 810cc kit.
Zukiworks racing ported head.
VM 29 smooth bore's.
Dyna 2000 Ign. w/Dyna mini coil's
APE cylinder stud's and nut's.
APE valve spring's.
APE Track King clutch.
V/H KZ1000 sidewinder.
3.5x18 laced to a KZ1000 disk hub.
150/60/18 Shinko 006 Podium.
63"...

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