Kawasaki to Manufacture Z1/Z2 Cylinder Heads Again

  • BohicaBob
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01 Mar 2019 05:45 - 01 Mar 2019 05:46 #799443 by BohicaBob
Kawasaki to Manufacture Z1/Z2 Cylinder Heads Again was created by BohicaBob
Apparently so, at least for the Japanese market: Z2/Z1 Cylinder Head Revival
KZ1
Z1-900
KZ2
Last edit: 01 Mar 2019 05:46 by BohicaBob.
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01 Mar 2019 05:46 #799445 by Warren3200gt
Replied by Warren3200gt on topic Kawasaki to Manufacture Z1/Z2 Cylinder Heads Again
Should reproduce the whole bikes and blitz the markets downturn.
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Z1000J2 somewhat modified!
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  • SWest
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01 Mar 2019 06:16 #799449 by SWest
Replied by SWest on topic Kawasaki to Manufacture Z1/Z2 Cylinder Heads Again
They said not manufactured to the exact specifications of the day. Does that mean there will be no babbitt bearings just the cams riding on milled journals? If so, not interested.
Steve
Z1b1000 1975 Z1b
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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01 Mar 2019 06:25 #799450 by martin_csr
Replied by martin_csr on topic Kawasaki to Manufacture Z1/Z2 Cylinder Heads Again
By Warren3200gt: Should reproduce the whole bikes and blitz the markets downturn.

Not the whole bike, but from that page Kawasaki is considering making other parts:
Furthermore, KHI will examine the possibilities of reproducing parts other than the cylinder heads, as well as out-of-stock parts of other historical models, taking into account customer feedback on this reproduction project. >>> spread the word.

.....
1981 KZ650 Competition Sports and Road

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01 Mar 2019 10:12 - 01 Mar 2019 10:13 #799473 by loudhvx
Replied by loudhvx on topic Kawasaki to Manufacture Z1/Z2 Cylinder Heads Again
Oh man, some 550D1 pistons and rings would be awesome. Or even just complete sets of rings ... and factory head gaskets while they're at it.
1981 KZ550 D1 gpz.
Kz550 valve train warning.
Other links.
Last edit: 01 Mar 2019 10:13 by loudhvx.

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  • Street Fighter LTD
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01 Mar 2019 10:33 #799474 by Street Fighter LTD
Replied by Street Fighter LTD on topic Kawasaki to Manufacture Z1/Z2 Cylinder Heads Again
Im dreaming about crate motors ready to plug into our bikes.
Even better would be crate motors available with various levels of extra power like chevy does in there factory motors
Dave

I can dream , cant I

Original owner 78 1000 LTD
Mr Turbo Race Kit, MTC 1075 Turbo pistons by PitStop Performance , Falicon Ultra Lite Super Crank, APE everything. Les Holt @ PDM's Billet Goodies . Frame by Chuck Kurzawa @ Logghe Chassis . Deep sump 5qt oil pan. RIP Bill Hahn

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01 Mar 2019 11:01 #799475 by SWest
Replied by SWest on topic Kawasaki to Manufacture Z1/Z2 Cylinder Heads Again
Nice dream. B)
Steve
Z1b1000 1975 Z1b
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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01 Mar 2019 12:11 #799476 by Dr. Gamma
Replied by Dr. Gamma on topic Kawasaki to Manufacture Z1/Z2 Cylinder Heads Again
I hope Kawasaki is smart enough to use a 8mm exhaust stud instead of that skinny 6mm exhaust stud of the Z1 heads.
1972 H2 750 Cafe Racer built in 1974.
1976 KH400 Production Road Racer.
1979 Kz1000 MK. II Old AMA/WERA Superbike.
1986 RG500G 2 stroke terror.
1986 GSXR750RG The one with the clutch that rattles!

Up in the hills near Prescott, Az.

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  • hardrockminer
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01 Mar 2019 12:49 #799479 by hardrockminer
Replied by hardrockminer on topic Kawasaki to Manufacture Z1/Z2 Cylinder Heads Again
Yes, they mentioned the 8mm studs in their announcement. But I've never had a problem with the 6 mm studs, although I once broke a retaining ring tightening the stud nuts....was my fault...one of the exhaust rings was overlapping the other one.
I have several restored bikes along with a 2006 Goldwing with a sidecar. My wife has a 2019 Suzuki DR 650 for on and off road.

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  • DOHC
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01 Mar 2019 19:44 #799500 by DOHC
Replied by DOHC on topic Kawasaki to Manufacture Z1/Z2 Cylinder Heads Again
That's pretty amazing. Does anyone know of any other example where a motorcycle company made or makes factory reproductions of complex parts like this?

I love that the Z1 900 wasn't even sold in Japan, due to the cc limit, and yet they are so popular there that they convinced the factory to manufacture new cylinder heads for a 45 year old bike.
'78 Z1-R in blue , '78 Z1-R in black, '78 Z1-R in pieces
My dad's '74 Z1
'00 ZRX1100

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01 Mar 2019 20:32 #799505 by Big Jay
Replied by Big Jay on topic Kawasaki to Manufacture Z1/Z2 Cylinder Heads Again
Suzuki makes the GS1150 engine cases for the current NHRA Pro Stock motors.
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