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Mrs. slayer's GPz1100 refresh & upgrade 09 Nov 2020 08:01 #838281

  • slayer61
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So Saturday morning was spent cleaning & rebuilding brake components. Man, it was nasty in there!
Don't be ridiculous! It's only a flesh wound!

Wife's little bike... 1984 GPZ 550 Kerker and DynaJet stage I kit
Wife's BIG bike...... 1981 GPZ 1100 Kerker and factory FI
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Mrs. slayer's GPz1100 refresh & upgrade 09 Nov 2020 16:12 #838290

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slayer61 wrote: I like the idea of the 3 spoke wheels, so I've been scouring fleabay for some "modernish" replacements. Something from the second half of the 80's!

The Swingarm is officially on it's way out, as an aluminum replacement from a Suzuki is inbound from a member on GS Resources.

Brakes will have to wait until I find out exactly what wheels end up on it. I can recommend the 16mm radial brake MC from Braking. I have one on my bike & I like it a lot.

Thanks for letting me share fellas.

I know this might be a bit late but my Frankinstein GPZ1100 has GPZ900R front end. I used a radial GTR1400 master brake assembly (cheap on ebay) and the brakes are nothing short of incredible, on par with the Yami blue spots (for general road use)
First Permanent ride the Z1R since Dec1977 (220,000km) as of June 2015
Second permanent bike 1989 FJ1200 my work horse, growing on me, great bike.
Third ride is now the Frankenstein GPZ1100, now if only I can ride three bikes at once?
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Mrs. slayer's GPz1100 refresh & upgrade 10 Nov 2020 07:02 #838305

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Bozo wrote:

slayer61 wrote: I like the idea of the 3 spoke wheels, so I've been scouring fleabay for some "modernish" replacements. Something from the second half of the 80's!

The Swingarm is officially on it's way out, as an aluminum replacement from a Suzuki is inbound from a member on GS Resources.

Brakes will have to wait until I find out exactly what wheels end up on it. I can recommend the 16mm radial brake MC from Braking. I have one on my bike & I like it a lot.

Thanks for letting me share fellas.

I know this might be a bit late but my Frankinstein GPZ1100 has GPZ900R front end. I used a radial GTR1400 master brake assembly (cheap on ebay) and the brakes are nothing short of incredible, on par with the Yami blue spots (for general road use)


Thanks Bozo, but I'm firmly stuck on 18" wheels. They are difficult to find & not very popular, but that's what I'm after. The OEM forks have all the needed parts for a refurb. It's just shop time now.
Don't be ridiculous! It's only a flesh wound!

Wife's little bike... 1984 GPZ 550 Kerker and DynaJet stage I kit
Wife's BIG bike...... 1981 GPZ 1100 Kerker and factory FI

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Mrs. slayer's GPz1100 refresh & upgrade 10 Nov 2020 13:27 #838314

  • 750 R1
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If you're stuck on 18's, the 1988 GSXR1100J model {last of the slabbies} has 3 spoke 18x4.5 rear and an 18x 2.75 front, they are a little hard to find but they are out there and would do the job well..
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Mrs. slayer's GPz1100 refresh & upgrade 10 Nov 2020 16:42 #838318

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If your considering having your rotors resurfaced dont hesitate to send them to Tom at Trusdisk in Carleton Mi. He has done a few for me and I love the results.

truedisk.net/
1976 KZ 900 A4 kzrider.com/forum/11-projects/613548-1976-kz-900-a4
1976 KZ 900 B1 LTD
1978 KZ 1000 B2 LTD
Kowledge Speaks, But Wisdom Listens.
Jimi Hendrix.

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Mrs. slayer's GPz1100 refresh & upgrade 10 Nov 2020 17:29 #838321

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Yep, Trudisk FTW.
Jim
North GA
2016 Yamaha FJR1300ES
1982 GPz750 R1
1974 Kawasaki H1
1976 Kawasaki KZ400
1979 Yamaha XS650 cafe'
2001 KZ1000P
2001 Yamaha YZ426
1981 Honda XR200 stroked in an '89 CR125 chassis
1965 Mustang
1967 Triumph GT6
1976 Bronco
"If you didn't build it, it's not really yours"

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Mrs. slayer's GPz1100 refresh & upgrade 10 Nov 2020 18:50 #838325

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750 R1 wrote: If you're stuck on 18's, the 1988 GSXR1100J model {last of the slabbies} has 3 spoke 18x4.5 rear and an 18x 2.75 front


The '86 and '87 also had 18". The 1100 are 2.75" front and 4.0" rear, and the 750 are 2.5" front and 3.5" rear.

Also, truedisk does excellent work.
'78 Z1-R in blue, '78 Z1-R in black, '78 Z1-R in pieces
'95 GPZ1100 (sold) , '00 ZRX1100

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Mrs. slayer's GPz1100 refresh & upgrade 10 Nov 2020 22:18 #838329

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DOHC wrote:

750 R1 wrote: If you're stuck on 18's, the 1988 GSXR1100J model {last of the slabbies} has 3 spoke 18x4.5 rear and an 18x 2.75 front


The '86 and '87 also had 18". The 1100 are 2.75" front and 4.0" rear, and the 750 are 2.5" front and 3.5" rear.

Also, truedisk does excellent work.


Yes, all the early gixxers have 18's but slayer specifically mentioned 3 spoke, and the 1100J is the only one with 3 spoke 18's...;)

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Mrs. slayer's GPz1100 refresh & upgrade 11 Nov 2020 07:30 #838340

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truedisk, indeed. Thanks for the tip guys. Never heard of them before.

The hunt for suitable wheels continues, but I soldier on with OEM for now. Forks rear wheel/axle handed over to my machinist friend who will refresh the forks & knock up spacers for the rear wheel in the GS swingarm.

Onward!
Don't be ridiculous! It's only a flesh wound!

Wife's little bike... 1984 GPZ 550 Kerker and DynaJet stage I kit
Wife's BIG bike...... 1981 GPZ 1100 Kerker and factory FI

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Mrs. slayer's GPz1100 refresh & upgrade 12 Nov 2020 06:16 #838373

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Also with an 18in rear is the 1988 Kawasaki ZX10 tomcat 4.5in wide. I have that on my 900 with a 160 tire. (3 spoke)
1977 KZ900
Carbs are late model 1975 28mm
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Mrs. slayer's GPz1100 refresh & upgrade 12 Nov 2020 09:38 #838380

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So this morning I placed another order with Partzilla for some more brake bits & bobs. Consumables & such. Ordered brake pads for the GPz & the GSes, also Mrs. slayer liked the radial master cylinder I put on the GS, I ordered one for her bike. She has stubby nubbins for fingers & likes the idea of an adjustable lever

Don't be ridiculous! It's only a flesh wound!

Wife's little bike... 1984 GPZ 550 Kerker and DynaJet stage I kit
Wife's BIG bike...... 1981 GPZ 1100 Kerker and factory FI

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Mrs. slayer's GPz1100 refresh & upgrade 13 Nov 2020 10:05 #838432

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I am in the process of converting to radial myself. What size did you go with?
-Vic
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'78 kz1000 LTD long term project

'80 kz750G project

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