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I found a old turbo drag bike 13 Sep 2013 11:05 #606286

  • K.D. HART
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I picked up this old turbo drag bike the other day and just fired it up last night after working on it. :evil:

The bike is a 1075 with a ported head titanium valves and retainers It has flat top turbo pistons with a rajay turbo and the real hard to find spider pipes. It has a 6 quart oil pan with hinge and heavy duty oil pump. It also has a mkii crank that is all welded. It has a 6 inch over swingarm with a cosmon wheel. The frame has been racked 4 or 6 degrees. It's pretty much a big motor in a frame. I also have a 1325 cylinder and turbo pistons if you want to go faster. The motor in this bike is a little smaller, so it wouldn't overheat on hot days.
Yes, the ZRX in the background has a turbo also.

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Last edit: by K.D. HART. Reason: update info

I found a old turbo drag bike 13 Sep 2013 11:25 #606289

  • turboking
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nothing like a turbo...nice score :side: I guess I'm lucky that I have 4 new atp spyder and mid pipe sets :woohoo:
2005 Kawasaki mean streak
2000 325 H.P. mcXpress turbo Hayabusa
1979 kz 1000 mk II ATP turbo
1975 Z1 960 cc Mr. Turbo
1975 Z1 1428 big block ATP turbo
1976 Kz900 1103 cc ATP turbo
1985 GS 1150E
1983 GS 1100E
1997 Suzuki Bandit 1200S
2001 Kawasaki EX 500 Ninja
1972 Honda cb750 (836cc turbo)

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I found a old turbo drag bike 13 Sep 2013 11:47 #606292

  • lightitup
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after it started i had to change my pants man :whistle:
81 kz 550 ltd

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I found a old turbo drag bike 13 Sep 2013 11:50 #606293

  • 4TheKZ1000
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SWEET !!!!! ;)

just don't get killed on that bad momma jammer.

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I found a old turbo drag bike 13 Sep 2013 13:49 #606301

  • K.D. HART
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after it started i had to change my pants man :whistle:

LMAO! :lol:

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I found a old turbo drag bike 13 Sep 2013 19:57 #606352

  • peavylotus
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Thats amazing, sounds great
1980 KZ 1045 LTD Currently Workin' It Out

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I found a old turbo drag bike 13 Sep 2013 21:47 #606356

  • Motor Head
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  • FIX UP YOUR BIKE RIGHT AND CHEAP
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That sounds really good, and according to your dog, it's the Call of the Wild!
1982 KZ1000LTD K2 Vance & Hines 4-1 ACCEL COILS Added Vetter fairing & Bags. FOX Racing rear Shocks, Braced Swing-arm, Fork Brace, Progressive Fork Springs RT Gold Emulators, APE Valve Springs, 1166 Big Bore kit, RS34's, GPZ cams.
1980 KZ550LTD C1 Stock SOLD Miss it
1979 MAZDA RX7 in the works, 13B...

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I found a old turbo drag bike 20 Oct 2013 12:02 #610617

  • K.D. HART
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After getting this bike running, I found out it had some problems because the previous owner boosted the motor with no waste gate.
I decided to tear it down and check what all needed to be fixed.
I sent the turbo out to Mr. Turbo to be serviced also. Everything is back, but I'm still waiting on APE cylinder studs before I can put the top end back on.
I was sent the wrong studs by mistake last week.
This is how my old 1973 Z1 motor looks at this time. :(

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I found a old turbo drag bike 20 Oct 2013 12:23 #610619

  • 4TheKZ1000
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Didn't read about the crank work. Did I miss something?

Welded, updated thrust bearing, Indexed, end play, rod clearance.

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Last edit: by 4TheKZ1000.

I found a old turbo drag bike 20 Oct 2013 12:52 #610624

  • K.D. HART
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Crank is fine.
I pulled the engine apart because it was blowing oil out the turbo and the head gasket was leaking.
I wanted to make sure I didn't have a broken ring or one that wasn't installed correctly.
You know how it is buying something someone else has worked on before you?
You never really know what might have been done, until you see for yourself.
Rings ended up being okay, but had a button had been replaced on a wrist pin with a clip.
I ordered a replacement set from MTC.
After the turbo was inspected and a long conversation with Mr. Turbo, I think it was drawing oil out of the turbo return line because the engine was overfull on oil.

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Last edit: by K.D. HART.

I found a old turbo drag bike 25 Oct 2013 13:04 #611133

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Started putting the drag bike motor together yesterday, after installing the new APE cylinder studs I got from Dick Speed. The old studs were a P.I.T.A. to remove.



Next I installed the pistons. The wrist pins are held in place with a nylon button, not clips.
It was now fun trying to keep 8 nylon buttons in place, while trying to install two pistons at a time with my homemade hose clamp ring compressor. I also made wooden blocks to keep the pistons from rolling back in the engine case.



So far, so good.



I knew it was going to good.
I found out a cam bolt is stripped!
I was going to fix it with a helicoil before I read this. www.cyclemadness.com/cmforum/index.php?topic=76.0/
I have the exact same problem, but damn $80 to fix a hole!
zdmak.com/wbstore/main.asp?ACTION=prod&T...TF-1610&PG=1&LowCt=0
Found a cheaper set on ebay www.ebay.com/bhp/time-sert-m6 but I still think it's still expensive.

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Last edit: by K.D. HART.

I found a old turbo drag bike 12 Mar 2014 21:28 #625020

  • Miami Z1R
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Bringing this post back from the dead!

Did you get the bike running again? Any updates?

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