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TOPIC: Z2 750 crank (Bossie the Kaw)

Z2 750 crank (Bossie the Kaw) 11 Apr 2015 18:56 #667544

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THE fuss here is the BS going on about a big bore motor whith a 750 crank are you not smart enough to figure it out ?
original owner of a 1984 gpz 750
1985 turbo 750 stock, being restored.
1984 gpz 750 with 810 cc wiesco's megacycle cams(471-10) 34 mm flatslides v&h pipe ported head dyna ignition. bottom end, crank case from turbo 750 and sprockets.

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Z2 750 crank (Bossie the Kaw) 11 Apr 2015 19:04 #667545

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Just tryin to sort it out.

You have a z1b, and built the engine with a z2 crank rods and block, and put bigger pistons in it. Or am I missing something? Cases trans and head are from a 900 then?
If I knew what I was doing all the time life wouldn't be any fun.

'80 KZ650 E 700cc, dyna ignition and coils, frame up restoration, daily driver
'81 KZ1300 A3 full restoration, custom big bore pistons, 1400cc 6 cylinder super bike
"77 KZ650 B1 - Barn Find, work in progeress
"74 Yamaha DT 400 Enduro...

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Z2 750 crank (Bossie the Kaw) 11 Apr 2015 19:08 #667546

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read my post on cc.s with a 58 mm crank
original owner of a 1984 gpz 750
1985 turbo 750 stock, being restored.
1984 gpz 750 with 810 cc wiesco's megacycle cams(471-10) 34 mm flatslides v&h pipe ported head dyna ignition. bottom end, crank case from turbo 750 and sprockets.

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Z2 750 crank (Bossie the Kaw) 11 Apr 2015 19:16 #667548

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www.thumpertalk.com/topic/801000-1975-ka...0-restoration/page-4

Ok alright got it now... alrighty then carry on...
If I knew what I was doing all the time life wouldn't be any fun.

'80 KZ650 E 700cc, dyna ignition and coils, frame up restoration, daily driver
'81 KZ1300 A3 full restoration, custom big bore pistons, 1400cc 6 cylinder super bike
"77 KZ650 B1 - Barn Find, work in progeress
"74 Yamaha DT 400 Enduro...

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Z2 750 crank (Bossie the Kaw) 11 Apr 2015 19:17 #667549

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tyler let me explain .the Z2 is the same motor as a Z1 except the crank , pistons, and rods .thats how they built a 750 out of a 903.JAP MARKET ONLY some did make it to the US--but very rare.
original owner of a 1984 gpz 750
1985 turbo 750 stock, being restored.
1984 gpz 750 with 810 cc wiesco's megacycle cams(471-10) 34 mm flatslides v&h pipe ported head dyna ignition. bottom end, crank case from turbo 750 and sprockets.

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Z2 750 crank (Bossie the Kaw) 11 Apr 2015 19:24 #667550

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I also bought these items in 13.











I bought these after the wreck in 86.




More to come.
Steve
Z1b1000 1975 Z1b
Opinions expressed by me do not reflect those of the the staff or members
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229

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Z2 750 crank (Bossie the Kaw) 11 Apr 2015 19:38 #667553

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kawi810 wrote: tyler let me explain .the Z2 is the same motor as a Z1 except the crank , pistons, and rods .thats how they built a 750 out of a 903.JAP MARKET ONLY some did make it to the US--but very rare.


And I have the crank from one of them. B)
Steve
Z1b1000 1975 Z1b
Opinions expressed by me do not reflect those of the the staff or members
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229

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Z2 750 crank (Bossie the Kaw) 11 Apr 2015 19:42 #667555

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thats why you have 750 lol
original owner of a 1984 gpz 750
1985 turbo 750 stock, being restored.
1984 gpz 750 with 810 cc wiesco's megacycle cams(471-10) 34 mm flatslides v&h pipe ported head dyna ignition. bottom end, crank case from turbo 750 and sprockets.

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Z2 750 crank (Bossie the Kaw) 11 Apr 2015 19:44 #667556

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Oh I forgot some. Four of them.


Steve
Z1b1000 1975 Z1b
Opinions expressed by me do not reflect those of the the staff or members
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229
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Last edit: by SWest.

Z2 750 crank (Bossie the Kaw) 11 Apr 2015 19:46 #667557

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Bark bark bark. B)
Z1b1000 1975 Z1b
Opinions expressed by me do not reflect those of the the staff or members
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229

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Z2 750 crank (Bossie the Kaw) 11 Apr 2015 20:07 #667562

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Tyler wrote: Just tryin to sort it out.

You have a z1b, and built the engine with a z2 crank rods and block, and put bigger pistons in it. Or am I missing something? Cases trans and head are from a 900 then?


I'll take some pics in the morning of the blocks. The sleeves came out of a 750 and put in a 903 block then bored to 1015. I ruined the bores, then bought a 1015 block. I'll post them then.
Steve
Z1b1000 1975 Z1b
Opinions expressed by me do not reflect those of the the staff or members
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229

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Z2 750 crank (Bossie the Kaw) 11 Apr 2015 20:30 #667567

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still got a Z2 crank = 750 so why tell everybody you have big bore bike. do you think all the membres of this forum are dumb ? steve stop the bull ***t
original owner of a 1984 gpz 750
1985 turbo 750 stock, being restored.
1984 gpz 750 with 810 cc wiesco's megacycle cams(471-10) 34 mm flatslides v&h pipe ported head dyna ignition. bottom end, crank case from turbo 750 and sprockets.

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