Steve's Turbo KZ650

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18 Jan 2011 20:42 - 18 Jan 2011 21:10 #423436 by S_J_H
Steve's Turbo KZ650 was created by S_J_H
I have had a thread running over at kz650.info for a while now, but I visit this site all the time so I wanted to share it here as well.
This was the bike as I bought it 1.5 years ago. It was in great shape with 7500 mi.


And where it stands now-



Everything is 100% done by me- all machining, fab, paint, welding, goofs and mistakes I'm to blame!

frame braced and painted-


intake- gt15 turbo, 2 piece aluminum plenum, rs34's




zr7 arm- wheelbase at 60.25", progressive 418's


Fork extenders-


Autometer NV gauges-




I'll be glad to post more pics or answer questions if anybody is interested.

Some other tidbits,
I'm using a dyna2000 setup for ign, efi pump & return style fuel system,
pitot tube (adjustable with jets) to carb bowls, an older techedge wideband for tuning.

I still have a ton of work to do including a scavenge pump I'm going to make using a spare set of Gerotors.

Thanks for looking,
Steve
Last edit: 18 Jan 2011 21:10 by S_J_H.

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18 Jan 2011 23:35 #423471 by PLUMMEN
Replied by PLUMMEN on topic Steve's Turbo KZ650
looks nice to me! B)

Still recovering,some days are better than others.

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19 Jan 2011 02:22 #423476 by Mcdroid
Replied by Mcdroid on topic Steve's Turbo KZ650
All I can say is...wow! :ohmy: Very very nice.

Michael
Victoria, Texas

1982 GPz750
1977 KZ1000A
1978 KZ1000A
1982 GPz1100
1975 Z2A

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19 Jan 2011 07:17 #423497 by 531blackbanshee
Replied by 531blackbanshee on topic Steve's Turbo KZ650
wow!
looks like you are checked out on the fab and machine skillset :laugh: .
super nice job.
i am glad that you put the turbo in the front.it just seems more right :) .

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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  • kz1k
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  • You Cant Fix Stupid!
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19 Jan 2011 10:25 #423538 by kz1k
Replied by kz1k on topic Steve's Turbo KZ650
sweet bike man. holy cow!

1978 KZ1000A2

"JUST IN! A MAN WHO HOLDS THE WORLD RECORD FOR USING THE MOST DRUGS DIES TODAY. HE WAS WAS ATTACKED BY A PACK OF WILD DOGS HE THOUGHT HE SAW"

WHY FART AND WASTE IT, WHEN YOU CAN BURP AND TASTE IT?

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  • 550A2
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  • keep the shiny side up
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19 Jan 2011 13:58 #423581 by 550A2
Replied by 550A2 on topic Steve's Turbo KZ650
WOW! :woohoo: Very Good Work!

82 Honda ATC 200-sold
82 Yamaha Virago 920-sold
82 Yamaha YZ250j-kept
80 Suzuki GS 550-sold
82 Kawasaki KZ550 A2-ride all the time
79 Kawasaki KZ650 C-sold
73 Kawasaki Z1 900E-paid $200, sold $6000
86 Yamaha Radian YX600-new project

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  • DoubleDub
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19 Jan 2011 14:14 - 19 Jan 2011 14:15 #423589 by DoubleDub
Replied by DoubleDub on topic Steve's Turbo KZ650
531blackbanshee wrote:

wow!
looks like you are checked out on the fab and machine skillset :laugh: .
super nice job.
i am glad that you put the turbo in the front.it just seems more right :) .

leon


Ditto here...

Are you having scavenging issue? It looks like the turbo is high enough that the return shouldn't be a problem (to my untrained eye/brain). Are you just putting it in for insurance?

How much did the GT15 run you and do you know the Trim & A/R?

What pistons are you on - stock? Any other internal upgrades? (You painted the engine, so I'm assuming it was apart before the buildup).

Very cool! Can't wait to get started on mine...

Edit: On second glance the turbo is pretty low...I get the scavenge pump.
Last edit: 19 Jan 2011 14:15 by DoubleDub.

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  • gearheadmm
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  • MUCH MORE BOOST..........I mean BRAVO
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19 Jan 2011 16:46 #423639 by gearheadmm
Replied by gearheadmm on topic Steve's Turbo KZ650
SWEET! Just know that all blow through systems run out of fuel sometime with out external enrichment. Creap up on the boost an keep an eye on that wideband. HAVE FUN!

General Joeseph Dunford FOR PRESIDENT!!!
69.46.28.106/forum/11-projects/413221-80-kz-1000-st-recycled

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19 Jan 2011 17:20 #423643 by Zedone
Replied by Zedone on topic Steve's Turbo KZ650
Beautiful bike Steve! Your skills are high end! Doug

1977 KZ1000A1
1977 KZ1000A1 (Superbike Project)
1969 Chevrolet C/10 Short Fleet

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19 Jan 2011 17:22 #423644 by School Teacher
Replied by School Teacher on topic Steve's Turbo KZ650
Did you make the exhaust also?

1976 kz900 in parts but will be going some day soon
1980 kz1000G1
1976 kz900 parts bike
1979 kz1000 shaftie parts bike
1978 kz1000 33mm smoothies 1075 kit
Troutdale Oregon USA

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19 Jan 2011 19:30 #423713 by S_J_H
Replied by S_J_H on topic Steve's Turbo KZ650
Hey thanks guys!

On second glance the turbo is pretty low...I get the scavenge pump.

The turbo is not quite high enough to gravity drain. I originally tapped into the engines oil pump intake, running a line to the turbo drain out the front of the pan. It worked OK but not good enough and it smoked a little. I know the guys who have made this system work use a reed valve on the pumps intake, but I don't want to mess with that system anymore and will just use a separate pump.

How much did the GT15 run you and do you know the Trim & A/R?


Around 300$ or so, it's a knockoff but of good quality. The turbine side's iron casting is excellent with no occlusions and very well machined, as well as the rest of the unit.
Of course as soon as I got it I tore it down for inspection :silly: -





Just know that all blow through systems run out of fuel sometime with out external enrichment. Creap up on the boost an keep an eye on that wideband.


Yes you are certainly correct. Supercharged motors are not new to me, but this is my first forced induction bike though.

The fuel system begins with the modified pickup and return-


An EFI type pump is mounted to the battery box-


Fuel regulator and lines. The blue tie wrapped lines are connected to the float bowl overfill nipples. The 2 side vents on each RS34 carb have been plugged. The 4 lines will connect to a yet to be machined manifold that will connect to the pitot tube.


The pitot tube is welded inside this intake pipe, I machined the output to accept "jets", so I can trim the pitot's dynamic pressure signal to the carbs if needed.



School Teacher, yes I made the exhaust. I'm not real happy with it but it will do for now.

What pistons are you on - stock? Any other internal upgrades? (You painted the engine, so I'm assuming it was apart before the buildup).


The engine is stock and in excellent condition. It will be built up the end of next season with good parts. I'll be running water/alcohol to keep the hyper pistons alive and ward off the rattle demon's.
I pretty much gave up drag racing a few years ago, but I still have a slight need for speed.
Steve

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20 Jan 2011 06:56 - 20 Jan 2011 07:04 #423789 by 531blackbanshee
Replied by 531blackbanshee on topic Steve's Turbo KZ650
post all the pics you can as you go,you now have a very rabid audience.



a rabid audience of squirrels :P ,but rabid about compressed air none the less.:)

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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Last edit: 20 Jan 2011 07:04 by 531blackbanshee.

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