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Number on piston? 15 Nov 2006 13:03 #92337

  • Lorcan
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Steel is right, first oversize has "50" on the piston, sometimes underneath another number. Second oversize has "100" on the piston.
760cc - 8.69@162mph
810cc, 211mph www.750turbo.com
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Number on piston? 16 Nov 2006 16:16 #92631

  • APE Jay
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Forget it !!!!!!! Just put a 615 kit in it.:P

Jay

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Number on piston? 16 Nov 2006 19:09 #92679

  • wireman
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ah,a voice of reason!:P
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Number on piston? 17 Nov 2006 15:27 #92831

  • cnyl
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APE Jay wrote:

Forget it !!!!!!! Just put a 615 kit in it.:P

Jay


If I had the $$$ I would go that way.:(

What size is the motor with 1 size over?
1982 KZ1000 M2 CSR
North Port, FL

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Number on piston? 18 Nov 2006 20:01 #93037

  • tellietubbie
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562cc.kz500 =[55.0*52.4]mm bore and stroke [standard]
kz550 =[58.0*52.4]mm bore and stroke [standard]
First oversize @0.5mm gives
[58.5*52.4]mm
The kz500 = 497cc
The kz550 = 553cc
So 3mm on the bore =56cc
So 0.5mm on the bore = [1/6] *56 = about 9.4cc
So 553 + 9.4 = about 562cc.:blink:

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