Radical streetable engine size

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Re: Radical streetable engine size

27 Aug 2013 11:23
#603325
Wish I had the stones to ride one of these hard. My slightly hopped up Kz650 scares me sometimes. LOL.
1978 KZ650 b-2
700cc Wiseco kit 10 to 1.
1980 KZ750 cam, ape springs, stock clutch/ Barnett springs.
Vance and Hines Header w/ comp baffle and Ape pods, Dyna S and green coils, copper wires.
29MM smooth bores W/ 17.5 pilots, 0-6s and 117.5 main
16/42 gearing X ring chain and alum rear JT sprocket.

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  • les holt
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Re: Radical streetable engine size

27 Aug 2013 11:40
#603327
There's a little Z1R I know that runs around with a 1500 motor in it, button start and street ridden :evil: :evil: :evil:

Les
www.facebook.com/PdmCustomFabrication
76 kz 900 turbo
77 LTD 1000 turbo
2 78 Z1R's
72 H2
kzrider.com/forum/13-bike-related/491552...one-followed-me-home
accelerate.presspublisher.us/issue/issue-6-2012/article/ltd
www.cycleworld.com/2013/09/04/2013-cycle...-concours-bike-show/

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Re: Radical streetable engine size

27 Aug 2013 20:37
#603397
Well...Les....where's a pic. I want to see this beast! How radical is it?
1980 LTD (changed over the years), 1979 LTD (being rebuilt), 1977 KZ turbo and various KZ's in various states of build. KLX110

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Re: Radical streetable engine size

28 Aug 2013 07:46
#603465
If you make it big, don't run a KZ head on it. You're just wasting the effort if you do.

JMO

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Re: Radical streetable engine size

28 Aug 2013 12:19
#603507
I've seen the bike go mid 8's in street trim. Dot tire and no bar. Won't give details but seen flow #'s on the head which is a 900 head and know the all motor dyno numbers. Won't show a pic, it's a nasty sleeper.

Les
www.facebook.com/PdmCustomFabrication
76 kz 900 turbo
77 LTD 1000 turbo
2 78 Z1R's
72 H2
kzrider.com/forum/13-bike-related/491552...one-followed-me-home
accelerate.presspublisher.us/issue/issue-6-2012/article/ltd
www.cycleworld.com/2013/09/04/2013-cycle...-concours-bike-show/

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Re: Radical streetable engine size

28 Aug 2013 12:50
#603509
does it have a turbo?
Z1 Car tire conversion dragbike (SAM WILLS)
81 Gpz (84 1170 motor)

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Re: Radical streetable engine size

28 Aug 2013 13:02 - 28 Aug 2013 13:03
#603512
byars wrote: does it have a turbo?

I'm guessing not, since he mentioned "all motor".

My 900 is going to be set up with a 1428cc 13.5:1 CR MTC pistons and block and a ported 900 head using 38mm Mikuni flatslides. I may take it around the block or to a bike night or two when I'm done, but it's not for taking 100 mile trips, that's for sure.

Later, Doug
1978 z1000 Streetfighter
1976 z900 Stripfighter
1979 z650 Resto-Mod
1983 Gpz750 Resto-Mod
2018 Z900RS
Last edit: 28 Aug 2013 13:03 by StreetfighterKz.

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Re: Radical streetable engine size

28 Aug 2013 14:20
#603529
Bellucci head, turbo pistons. Went 219 all motor, won't say what on spray but its NASTY!

Les
www.facebook.com/PdmCustomFabrication
76 kz 900 turbo
77 LTD 1000 turbo
2 78 Z1R's
72 H2
kzrider.com/forum/13-bike-related/491552...one-followed-me-home
accelerate.presspublisher.us/issue/issue-6-2012/article/ltd
www.cycleworld.com/2013/09/04/2013-cycle...-concours-bike-show/

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Re: Radical streetable engine size

28 Aug 2013 15:01
#603540
les holt wrote: I've seen the bike go mid 8's in street trim. Dot tire and no bar. Won't give details but seen flow #'s on the head which is a 900 head and know the all motor dyno numbers. Won't show a pic, it's a nasty sleeper.

Les

You big tease Les!
760cc - 8.69@162mph
810cc, 211mph www.750turbo.com
www.stormdragbike.com

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Re: Radical streetable engine size

28 Aug 2013 22:39
#603621
Tell ya what, come to Indy, bring cash, lots of it! and when it's all said and done, He might give a little insite! I do know this, it done lots of street battles around chicago in its prior life and it isn't pretty, just fast!!!

Les
www.facebook.com/PdmCustomFabrication
76 kz 900 turbo
77 LTD 1000 turbo
2 78 Z1R's
72 H2
kzrider.com/forum/13-bike-related/491552...one-followed-me-home
accelerate.presspublisher.us/issue/issue-6-2012/article/ltd
www.cycleworld.com/2013/09/04/2013-cycle...-concours-bike-show/

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Re: Radical streetable engine size

29 Aug 2013 01:32
#603655
Sounds like a pretty serious grudge bike. 1500cc on the street . Can you say booooiiiinnnnggg !!!
1978 KZ 1000


I go by Jason

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Re: Radical streetable engine size

29 Aug 2013 07:44 - 29 Aug 2013 07:58
#603678
les holt wrote: Bellucci head, turbo pistons. Went 219 all motor, won't say what on spray but its NASTY!

Les

219HP?

Dyno Jet Dyno?

Valve Sizes?

What was the peak HP RPM?

Carb Size?

A 1428 motor wants about 113CFM@10" to produce a potential 218 @8500. That's a trapped Ve of 125. Pretty stout ;) To get that takes an intake valve that requires over size seats. Not much sense in putting that kind of money in an old 900 head but hey...that's JMO. :)
Last edit: 29 Aug 2013 07:58 by crh.

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