Vintage Superbike at Daytona, Finale Oct 19/21

bluej58
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The chrome don't get you home

15 Nov 2012 23:38 #558579 by bluej58

Replied by bluej58 on topic Vintage Superbike at Daytona, Finale Oct 19/21

Good Luck

JD

78 KZ1000 A2A

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531blackbanshee
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16 Nov 2012 11:45 #558629 by 531blackbanshee

Replied by 531blackbanshee on topic Vintage Superbike at Daytona, Finale Oct 19/21

givem' hell!!!!!!!!!

leon

skiatook,oklahoma 1980 z1r,1978 kz 1000 z1r x 3,
1976 kz 900 x 3
i make what i can,and save the rest!

billybiltit.blogspot.com/

www.kzrider.com/forum/5-chassis/325862-triple-tree-custom-work

kzrider.com/forum/5-chassis/294594-frame-bracing?limitstart=0

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mark1122
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Keep twisting it

16 Nov 2012 15:29 #558659 by mark1122

Replied by mark1122 on topic Vintage Superbike at Daytona, Finale Oct 19/21

dbsuperbiker wrote: Long story made short. The week before the race I was practicing and testing at a Jenningsgp trackday. Last session of the day the #2 cyl liner spigot broke apart ruining engine...never had this happen before. Just a few days ago I completed full engine repair. It is tight and strong. Dec 1&2 at Homestead in Miami is CCS grand finale with vintage classes. I'll be there!

what is a cyl liner spigot ?? what kind of damage did it do ?

76 KZ, frame gusset work,1200CC.Ported by Larry Cavanaugh, 1.5mm.over intakes, Carron Pipe, ZRX12 rear end, and seat,96zx9 front end.
01 CBR600F4i Track bike.
Cobourg, Ont. Can.

~ ~ ~_@
~ ~ _- \,
~ (k) / (z)

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turboguzzi
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16 Nov 2012 15:33 #558660 by turboguzzi

Replied by turboguzzi on topic Vintage Superbike at Daytona, Finale Oct 19/21

guess it's just a piece of liner that broke?

nasty....

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mark1122
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Keep twisting it

16 Nov 2012 15:37 - 16 Nov 2012 15:39 #558661 by mark1122

Replied by mark1122 on topic Vintage Superbike at Daytona, Finale Oct 19/21

turboguzzi wrote: guess it's just a piece of liner that broke?

nasty....

thats what i was thinking too ? isnt this a 1015? a 1200cc would be at least .100" thick.

Last edit: 16 Nov 2012 15:39 by mark1122.

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DoubleDub
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16 Nov 2012 20:24 #558713 by DoubleDub

Replied by DoubleDub on topic Vintage Superbike at Daytona, Finale Oct 19/21

It has to be 1025cc or less to fit in the class.

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dbsuperbiker
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16 Nov 2012 23:23 #558734 by dbsuperbiker

Replied by dbsuperbiker on topic Vintage Superbike at Daytona, Finale Oct 19/21

Stock kz1000 liners. 70mm bore. Shouldn't have broken but did. Ruined piston. Buggered head. Debris everywhere. Required full engine disassembly and lots of hand clean up.
No guts, no glory.

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LarryC
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17 Nov 2012 08:37 #558759 by LarryC

Replied by LarryC on topic Vintage Superbike at Daytona, Finale Oct 19/21

dbsuperbiker wrote: Stock kz1000 liners. 70mm bore. Shouldn't have broken but did. Ruined piston. Buggered head. Debris everywhere. Required full engine disassembly and lots of hand clean up.
No guts, no glory.

Wow

Sorry to hear that......Good Luck in December

Larry C.

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trianglelaguna
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New and improved - extra strength

17 Nov 2012 10:12 #558772 by trianglelaguna

Replied by trianglelaguna on topic Vintage Superbike at Daytona, Finale Oct 19/21

what is a liner...a sleeve? ...what "ruins" one a cir clip?, oil loss, bore out of round?

really i dont understand....

1976 KZ900
2003 ZX12R
2007 FZ1000
2004 ninja 250R for wife

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531blackbanshee
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17 Nov 2012 11:29 - 17 Nov 2012 11:30 #558784 by 531blackbanshee

Replied by 531blackbanshee on topic Vintage Superbike at Daytona, Finale Oct 19/21

liner/sleeve same deal.
a snap ring can come loose.
metal can just fatigue and crack.
overheating can cause the piston to swell enough to grab inside the sleeve and tear material from the piston and friction weld it to the sleeve,until it builds up enough and locks the ring ends together and pulls the top off the piston.then it starts rocking around in there and beating the sleeve/liner until it brakes it.

leon

Last edit: 17 Nov 2012 11:30 by 531blackbanshee.

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dbsuperbiker
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17 Nov 2012 20:50 #558849 by dbsuperbiker

Replied by dbsuperbiker on topic Vintage Superbike at Daytona, Finale Oct 19/21

My liner literally fractured and broke into a thousand pieces ...it was way beyond a circlip gouge.

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Vintage Superbike at Daytona, Finale Oct 19/21

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