Vintage Superbike at Daytona, Finale Oct 19/21

  • bluej58
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Re: Vintage Superbike at Daytona, Finale Oct 19/21

15 Nov 2012 23:38
#558579
Good Luck

JD
78 KZ1000 A2A

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  • 531blackbanshee
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Re: Vintage Superbike at Daytona, Finale Oct 19/21

16 Nov 2012 11:45
#558629
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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Re: Vintage Superbike at Daytona, Finale Oct 19/21

16 Nov 2012 15:29
#558659
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.

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  • turboguzzi
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Re: Vintage Superbike at Daytona, Finale Oct 19/21

16 Nov 2012 15:33
#558660
guess it's just a piece of liner that broke?

nasty....

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Re: Vintage Superbike at Daytona, Finale Oct 19/21

16 Nov 2012 15:37 - 16 Nov 2012 15:39
#558661
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.
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.

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

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  • DoubleDub
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Re: Vintage Superbike at Daytona, Finale Oct 19/21

16 Nov 2012 20:24
#558713
It has to be 1025cc or less to fit in the class.

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  • dbsuperbiker
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Re: Vintage Superbike at Daytona, Finale Oct 19/21

16 Nov 2012 23:23
#558734
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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Re: Vintage Superbike at Daytona, Finale Oct 19/21

17 Nov 2012 08:37
#558759
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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Re: Vintage Superbike at Daytona, Finale Oct 19/21

17 Nov 2012 10:12
#558772
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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Re: Vintage Superbike at Daytona, Finale Oct 19/21

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

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  • dbsuperbiker
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Re: Vintage Superbike at Daytona, Finale Oct 19/21

17 Nov 2012 20:50
#558849
My liner literally fractured and broke into a thousand pieces ...it was way beyond a circlip gouge.

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