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Differences between Z1R engine and Z900/1000?

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martinz1000r
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Differences between Z1R engine and Z900/1000?

#1 PostAuthor: martinz1000r » Mon Feb 27, 2012 3:51 pm

I started looking at the parts I need to put my Z900 back together other the weekend and thought I would reference the engine number against the model list on Z Power. Turns out I have a Z1R engine in a Z900 frame. Before I going spending money is there any substantial differences between the 2 engines? Are the crank cases exactly the same in terms of mounting points?
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rickman CRR
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#2 PostAuthor: rickman CRR » Mon Feb 27, 2012 5:02 pm

No significant differences beyond the black coloured finish of the Z1R engine. The engine mounting points are identical.
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martinz1000r
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#3 PostAuthor: martinz1000r » Mon Feb 27, 2012 5:15 pm

Perfect - many thanks for the reply.
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#4 PostAuthor: jimmock » Mon Feb 27, 2012 5:53 pm

Exhaust studs 8mm instead of 6mm.

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ted1r
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#5 PostAuthor: ted1r » Mon Feb 27, 2012 7:07 pm

And they are the best Z engine. :D

Better hide now :lol: :lol: :lol:


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Jeff Saunders
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#6 PostAuthor: Jeff Saunders » Mon Feb 27, 2012 8:05 pm

The 1980 Z1R engine is a Mk II engine - 16t center section on the crank, 32t cam sprockets and 124 link cam chain. The engine cases are beefed up as well.
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#7 PostAuthor: Rich » Tue Feb 28, 2012 5:47 pm

Not in UK Jeff, it's a KZ1000 B1 /B2 more of a KZ1000A2 sprayed black
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