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Tuned gpz1100b1/z1000j engine , never run

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floydsz1
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Tuned gpz1100b1/z1000j engine , never run

#1 PostAuthor: floydsz1 » Tue Jan 25, 2022 6:54 pm

Hi, everyone, a few years ago I was building a race bike to compete in the USA classic vintage superbike races, half way through the plans changed, I sold the rolling chassis but kept the engine.
It was built by Graham at diptune,
Basically it's got z1000j (998cc) barrels fitted because the rules stated 1025 cc max, but we were going to cheat slightly so it's fitted with 1075 weisco pistons, re profiled cams with under bucket shims, tuned head, and before he did the work on it I had the crank balanced and welded by sep. There's no ignition fitted , I hadn't decided what to use and we'd thought about a total loss system,but I've fitted a generator but it'll need a new plug on the wires. I do have a road bike that I'd thought about fitting it in but that engine is only a few 100 miles since it was rebuilt in standard trim.I don't have the time anymore, I'm slowly slimming down my collection of bikes and spares etc.
The engine has oil in it and I turn it over by hand now and again, its also got a new clutch . I'm not really sure what it's worth but if I can get my money back out of it I'll be happy. Couple of good mates who have similar engines suggest the £3000 mark. I've receipts for the work done. If anyone is interested or any better ideas let me know.
Thanks
Peter.
Z1b,
zxr750 m2,
zrx1200
Z1000j lawson race bike,
Versys 1000gt (2019),
Gsxr750H.

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floydsz1
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Re: Tuned gpz1100b1/z1000j engine , never run

#2 PostAuthor: floydsz1 » Tue Jan 25, 2022 7:48 pm

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Z1b,
zxr750 m2,
zrx1200
Z1000j lawson race bike,
Versys 1000gt (2019),
Gsxr750H.

User avatar
floydsz1
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Posts: 1422
Joined: 24th Jun 2007
Location: SUNNY MORECAMBE

Re: Tuned gpz1100b1/z1000j engine , never run

#3 PostAuthor: floydsz1 » Mon Jan 31, 2022 6:59 pm

Couple of inquirys but nothing further, presumably it's overpriced, as I said I don't really know what it's worth, so open to realistic offers, it's sat here gathering dust and it's a shame it's not being used.
Z1b,
zxr750 m2,
zrx1200
Z1000j lawson race bike,
Versys 1000gt (2019),
Gsxr750H.

neilbarrett
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Re: Tuned gpz1100b1/z1000j engine , never run

#4 PostAuthor: neilbarrett » Thu Feb 03, 2022 12:25 pm

Most I've seen race motors sell for is 2k.thats used but built to a higher spec

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floydsz1
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Re: Tuned gpz1100b1/z1000j engine , never run

#5 PostAuthor: floydsz1 » Thu Feb 03, 2022 7:56 pm

OK Neil, thanks for that , 2k ( or a close offer) or whatever anyone is thinking its worth to them. Its just sat here doing nothing. might bang it on ebay and see what happens. I'm a bit out of the loop on price's at the moment
Z1b,
zxr750 m2,
zrx1200
Z1000j lawson race bike,
Versys 1000gt (2019),
Gsxr750H.


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