KZR's Bikes of the Month for 2024

GPz750A3 Unitrak - last of the air-cooled?

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01 Nov 2021 06:13 #857251 by zedhead
Having really liked the Geepers back in the Eighties, I finally got myself a 750, no doubt influenced y a good mate who accompanied me on many travels in the '90s when I had my standard-ish Z650.
It's a little rough around the edges, and in need of some pampering, and will hopefully end up as being the GPz750 that I would have lusted after on the late 80s...
 

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GPz750, Z650/1100

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  • ThatGPzGuy
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  • More Sparky than Speed Racer
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01 Nov 2021 06:43 #857252 by ThatGPzGuy
Replied by ThatGPzGuy on topic GPz750A3 Unitrak - last of the air-cooled?
Welcome. We love the GPzs! 

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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01 Nov 2021 07:57 - 01 Nov 2021 07:59 #857257 by martin_csr
Replied by martin_csr on topic GPz750A3 Unitrak - last of the air-cooled?
Air-cooled.  There were also the 90s Zephyrs & later ZR7/ZR7S with engines based on the 650/750 engine. 
Last edit: 01 Nov 2021 07:59 by martin_csr.
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08 Nov 2021 03:57 #857638 by zedhead
Replied by zedhead on topic GPz750A3 Unitrak - last of the air-cooled?
That's true Martin, thanks for reminding me ;-)
My comment was actually referring to the A3 as being the last of the air-cooled GPz, before they became the GPZ with the 900R etc ;-)

GPz750, Z650/1100

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08 Nov 2021 04:50 #857640 by ghostdive
Replied by ghostdive on topic GPz750A3 Unitrak - last of the air-cooled?
Being produced until 1994, the mighty 305 once more comes out on top. 
 

1982 KZ750 Spectre - 6 speed swap, BS34s, 18" rear wheel

2001 ZX-6R
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08 Nov 2021 05:45 #857643 by TexasKZ
Replied by TexasKZ on topic GPz750A3 Unitrak - last of the air-cooled?
KZ1000P, produced through 2005.

1982 KZ1000 LTD parts donor
1981 KZ1000 LTD awaiting resurrection
2000 ZRX1100 not ridden enough

www.kzrider.com/11-projects/620336-anoth...uild-thread?start=24
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08 Nov 2021 12:33 #857662 by 750 R1
Replied by 750 R1 on topic GPz750A3 Unitrak - last of the air-cooled?
KZ650/750 engine produced until 2005, Kawasaki built some ultra reliable engines...
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17 Nov 2021 03:25 #858001 by zedhead
Replied by zedhead on topic GPz750A3 Unitrak - last of the air-cooled?
All points taken on board!   I need to tweak the title of this thread I guess!   Anyone know how/if I can do that?... 

GPz750, Z650/1100

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07 Dec 2021 07:23 #858723 by zedhead
Replied by zedhead on topic GPz750A3 Unitrak - last of the air-cooled?
I was also thinking about making some 'period correct' modifications while I was refreshing this bike.... things like a fork brace, braced swinging arm etc. It's already got a Harris 4:1 exhaust tat needs some refurbishment, and I have an aftermarket Japanese 4:1 as well tat is in slightly better condition, and of course it has the twin headlght conversion, but I was wondering what other mods might be suitable, and of benefit? Fork internals upgrade? Frame bracing? Anyone?

GPz750, Z650/1100

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18 Jan 2022 02:15 #860669 by zedhead
Replied by zedhead on topic GPz750A3 Unitrak - last of the air-cooled?

All points taken on board!   I need to tweak the title of this thread I guess!   Anyone know how/if I can do that?... 
Or maybe an admin can change the title for me please?

GPz750, Z650/1100
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  • howardhb
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18 Jan 2022 10:56 - 18 Jan 2022 11:05 #860694 by howardhb
Replied by howardhb on topic GPz750A3 Unitrak - last of the air-cooled?
You had me at Gee Pee zeeee!

'81 GPz 550 D1
'81 GPz 1100 B1 ELR "Tribute" www.kzrider.com/our-forum/11-projects/61...-elr-tribute?start=0
'82 Yamaha YB100 Fizzie
'79 Suzuki GT200 X5 TWO STROKE TWIN - SMOKER!
Last edit: 18 Jan 2022 11:05 by howardhb.
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