Hello Guest User,

Please feel free to have a look around the forum but be aware that as an unregistered guest you can't see all of it and you can't post.

To access these 'Registered Users Only' areas simply register and login.

1978 Z1r - USD Fork Conversion & Swingarm

Need help restoring, building, or finding then try here.

Moderators: KeithZ1R, chrisu, paul doran, Taffus

Message
Author
User avatar
stuntmonkee
Regular Poster
Posts: 19
Joined: 28th Oct 2011
Location: Ipswich,Suffolk

1978 Z1r - USD Fork Conversion & Swingarm

#1 PostAuthor: stuntmonkee » Fri Apr 20, 2012 10:05 am

Hi everyone,

Still collecting parts for my Z1r project and have a couple of questions:

1. What USD (or chunky RWU) front ends fit on with minimal hassle as the Gsxr1000 forks I was considering need extensions making as there too short?

2. Do any nicer chunky swingarms fit easily (My Z400 has a GPZ750 arm for example) - not bothered if it need modding for twin shock?

Cheers in advance
Bikes
2006 Triumph Daytona 675/Street Tripe R Racer
2007 KTM Superduke 990
NC29 Streetfighter
Gsxr7/11 Project

chrisu
Moderator
Posts: 4569
Joined: 3rd Sep 2005
Location: Hertford herts

#2 PostAuthor: chrisu » Fri Apr 20, 2012 11:02 am

I've got gsxr1100 USD forks on mine no problem. I believe early zx9r forks are also long enough.

GSXR or ZRX swingarms seem popular (can't comment as mine is single sided)

Be good see another modified Z1R.

:lol:

User avatar
Andy M
Custard Cream
Custard Cream
Posts: 753
Joined: 11th Jun 2011
Location: Herefordshire, Cider country.

#3 PostAuthor: Andy M » Fri Apr 20, 2012 12:20 pm

"Be on good terms with all persons. Speak your truth quietly and clearly, and listen to others; even the dull and ignorant. They, too, have their story."

User avatar
stuntmonkee
Regular Poster
Posts: 19
Joined: 28th Oct 2011
Location: Ipswich,Suffolk

#4 PostAuthor: stuntmonkee » Fri Apr 20, 2012 12:43 pm

Gsrx swingarms - I'm guessing oil cooled models? If so I have 1990 L model in the shed...

Do USD ZX9 forks fit to or is it just the RWUs?

Cheers for the help
Bikes

2006 Triumph Daytona 675/Street Tripe R Racer

2007 KTM Superduke 990

NC29 Streetfighter

Gsxr7/11 Project

User avatar
Ginger Bear
Hardcore
Hardcore
Posts: 5512
Joined: 16th Dec 2008
Location: In the Dark.
Contact:

#5 PostAuthor: Ginger Bear » Fri Apr 20, 2012 12:51 pm

ZX7R forks, extended + custom yokes :save :save :oops: GSXR600 SRAD swinger

Image

ZX9RB4 forks (standard length) ZX9R bottom yoke + ZX7R top yoke. :sou GSXR600 SRAD swinger

Image
Image

# 104

Phil Churchett Award Winner 2011 & 2016 :D
Buzzworkz Best Modified Zed 2016

User avatar
stuntmonkee
Regular Poster
Posts: 19
Joined: 28th Oct 2011
Location: Ipswich,Suffolk

#6 PostAuthor: stuntmonkee » Fri Apr 20, 2012 1:20 pm

Excellent !!

Thanks :D
Bikes

2006 Triumph Daytona 675/Street Tripe R Racer

2007 KTM Superduke 990

NC29 Streetfighter

Gsxr7/11 Project

chrisu
Moderator
Posts: 4569
Joined: 3rd Sep 2005
Location: Hertford herts

#7 PostAuthor: chrisu » Fri Apr 20, 2012 2:50 pm

GSXR1100 front end.............

Image

User avatar
stuntmonkee
Regular Poster
Posts: 19
Joined: 28th Oct 2011
Location: Ipswich,Suffolk

#8 PostAuthor: stuntmonkee » Fri Apr 20, 2012 4:11 pm

Hmmm plenty of options then :D
Bikes

2006 Triumph Daytona 675/Street Tripe R Racer

2007 KTM Superduke 990

NC29 Streetfighter

Gsxr7/11 Project

User avatar
Pigford
I'm on prescription!!
Posts: 10566
Joined: 2nd Jan 2006
Location: Hampshire Coast UK

#9 PostAuthor: Pigford » Fri Apr 20, 2012 4:28 pm

Thought I'd join in........


Image


Gixxer stuff :!:
And on the 7th day... Zeds were created!

scott reid
100Club
100Club
Posts: 143
Joined: 17th Feb 2009
Location: crieff, perthshire

#10 PostAuthor: scott reid » Fri Apr 20, 2012 5:40 pm

.....Me too. fzr1000ru forks and brakes
Image
You will more than likely need yokes made with a decent offset to avoid forks hitting the tank

Is Vic There
Hardcore
Hardcore
Posts: 1285
Joined: 8th Nov 2011
Location: Brisbane, Australia.

#11 PostAuthor: Is Vic There » Wed May 23, 2012 10:00 am

Any more picture of front and rear ends, find the engineering involved ver interesting.
Norton 850 Command, Harris Mag 2, Harris Mag 5, Triumph Steve McQueen, Suzuki RGV250 Barry Sheene, RG250 Walter Wolf, RD125LC, Lambretta Li150, Vespa 50N.

Swirl
Custard Cream
Custard Cream
Posts: 743
Joined: 9th Feb 2017
Location: Ellesmere Port Cheshire

Re: 1978 Z1r - USD Fork Conversion & Swingarm

#12 PostAuthor: Swirl » Mon Jun 03, 2019 7:01 pm

Interesting old thread, I think the forks I have are Zx9r B, they are going on the Z1R project, good news if they are
Attachments
20190523_130152.jpg
20190523_130134.jpg
20190523_130248.jpg
20190523_134612.jpg

User avatar
scott
Junior Section leader
Posts: 1395
Joined: 19th Sep 2007
Location: PORTSMOUTH

Re: 1978 Z1r - USD Fork Conversion & Swingarm

#13 PostAuthor: scott » Wed Jun 05, 2019 11:26 am

I'm fitting a ZRX1100 front end to a Gpz1100B1...if that helps for a wider choice of parts to source/look at.


Return to “Bike Help”

Who is online

Users browsing this forum: Mark W and 53 guests