new power for pens bike!!

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22 Jul 2010 17:15 #384665 by PLUMMEN
Replied by PLUMMEN on topic new power for pens bike!!
that was what i had for entertainment when i was a kid,the river or walking the tracks looking for junk! :laugh:

Still recovering,some days are better than others.

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22 Jul 2010 17:38 #384667 by Old Man Rock
Replied by Old Man Rock on topic new power for pens bike!!
Next you'll be telling us you and Huckleberry where floating down the river on over inflated KZ inner tubes .... :blink: Hunting for Model A/T parts.... :laugh:

1976 KZ900-A4
MTC 1075cc.
Camshafts: Kawi GPZ-1100 .375 lift
Head: P&P via Larry Cavanaugh
ZX636 suspension
MIKUNI, RS-34'S...
Kerker 4-1, 1.5" comp baffle.
Dyna-S E.I.
Earls 10 row Oil Cooler
Acewell 2802 Series Speedo/Tach
Innovate LC1 Wideband 02 AFR meter

Phoenix, Az

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22 Jul 2010 18:02 #384676 by PLUMMEN
Replied by PLUMMEN on topic new power for pens bike!!
no actually it was me and matt rigatuso,were you the guy standing over in the trees watching us?:blink: :woohoo:

Still recovering,some days are better than others.

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  • larrycavan
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24 Jul 2010 06:04 - 24 Jul 2010 06:04 #385215 by larrycavan
Replied by larrycavan on topic new power for pens bike!!
OMG....nice chops :laugh:

Anyway I'm going to move this project to another location. I'll start the whole thing from scratch without the chops we got carried away with. I'm as guilty as anyone of that ;)

So if you want to follow the project you'll get notified. If Ben want's to dupe it over here that's cool also. :)

Larry C
Last edit: 24 Jul 2010 06:04 by larrycavan.

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15 Sep 2010 17:48 #398974 by irishwill
Replied by irishwill on topic new power for pens bike!!
well that friggin Larry C has got me chomping at the bit...he sent me some pics of the motor in its current state....and it looks GOOD!

should be able to have some up for you guys in a day or two ;-)

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  • larrycavan
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15 Sep 2010 18:12 #398988 by larrycavan
Replied by larrycavan on topic new power for pens bike!!
Here's a couple pics.

This is the head on the flownbench asty .400" lift without any valve job yet.

Runners are stock size at the boots. Throats are 88% with 91% bowls. Valves will be J 37 Intakes and 30 exhausts

Tested with an old CVK Keihin carb mounted up to as J intake boot.[900 ninja stock carb] This causes a 4mm mismatch at the port entyrance. Head pics more with no carb mounted.
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  • larrycavan
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15 Sep 2010 18:15 #398989 by larrycavan
Replied by larrycavan on topic new power for pens bike!!
Here's a pic of the cases. Crank will be back soon. I'll post some guts photos then.
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16 Sep 2010 07:14 #399081 by irishwill
Replied by irishwill on topic new power for pens bike!!
larrycavan wrote:

Here's a couple pics.

This is the head on the flownbench asty .400" lift without any valve job yet.

Runners are stock size at the boots. Throats are 88% with 91% bowls. Valves will be J 37 Intakes and 30 exhausts

Tested with an old CVK Keihin carb mounted up to as J intake boot.[900 ninja stock carb] This causes a 4mm mismatch at the port entyrance. Head pics more with no carb mounted.


thats why I sent it to you Larry....cause I have no Idea what your talking about:S

as long as it means it's a badass haead i'm all smiles :cheer:

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  • larrycavan
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16 Sep 2010 13:58 #399136 by larrycavan
Replied by larrycavan on topic new power for pens bike!!
Gardner Crank

billet center pin - thrust bearing, weld
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  • larrycavan
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16 Sep 2010 13:58 #399137 by larrycavan
Replied by larrycavan on topic new power for pens bike!!
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16 Sep 2010 17:31 #399175 by irishwill
Replied by irishwill on topic new power for pens bike!!
lookin good Larry....cant wait to make it spin!!!

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16 Sep 2010 19:18 #399209 by mjg15
Replied by mjg15 on topic new power for pens bike!!
Soda blasted cases ? Look nice when they are that clean !

'80 Z750fx
'81 KZ550A
'81 GPz550's, Too many!
'82 KZ1000R
'82 GPz750
'90 ZR550


Project photo album: s163.photobucket.com/albums/t289/mg15_ph...GPz-ZR550%20project/
s163.photobucket.com/albums/t289/mg15_ph...current=DSC01286.jpg

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