ZX750E (GPZ750 Turbo)

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tacky1
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Joined: Mon Sep 14, 2015 12:30 pm
Location: Bay Area. CA.

ZX750E (GPZ750 Turbo)

#1 Post by tacky1 » Fri Dec 04, 2020 9:49 pm

Just finished this one, Very low mile bike, The turbo unit was missing when I bought it, PO had a leak in the oil line 22 years ago and removed the turbo unit and sent it out for repair and forgot about it, Sat in the garage by a window which completely faded the paint,
I picked up a fully rebuilt and modded turbo for more boost from Charlie @ Evergreen Turbo in FL, Top guy, a genius with any turbo unit, Removed the airfilter and pipes and replaced it with a KN filter direct on the turbo.
Repainted by my guy, Took 4 months as hes seriously backed up, But turned out beautiful,
Stripped the wheels and cleaned them back to original, now that was a lot of hours, All new bearings in the wheels, all suspension bearings and head race bearings.I fitted a new oil pump and relief valve, modded the sump for more oil flow to the turbo, New clutch metals and fibers and fitted a Magura Hydraulic clutch as the OEM is a beast to pull, Valves all checked and adjusted, Fuel system completely stripped and cleaned and the tank was a rust hell mess!!!!
Lots of other small niggly things, replaced most of the nuts/bolts as they were all rusted out.
Brakes were completely stripped and new seals and pistons and pads, New Venhill brake lines also, Dot5 fluid and all good...
Sounds great :)

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1985 RZv500
1984 RZ500 Hybrid
1986 RG500 Walter Wolf
1986 RG500 Skoal Bandit
1984 RZ350
1984 RZ350 Hybrid
1981 RD350LC
1981 RD350LC Hybrid
2009 CR500AF Supermoto 250X
2007 CR500AF 250X
1988 YSR50 (2)
1989 VFR750R RC30
1984 GPZ750 Turbo

rd84
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Re: ZX750E (GPZ750 Turbo)

#2 Post by rd84 » Fri Dec 04, 2020 10:05 pm

Looks fantastic - nice job !

Cheers
Paul

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giron
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Re: ZX750E (GPZ750 Turbo)

#3 Post by giron » Sat Dec 05, 2020 4:15 am

My Turbo and safety first. Complete ZZR1200 front end and swingarm
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1991 3MATZR250SP
!993 3XVTZR250SP
1996 RGV250(Lucky Strike)
1994 MC28SP
1995 MC28SP
1996 MC28SP
1985 RG500(Walter Wolfe)
1984 IT490
1985 RZV500R
1985 NS400R
1985 NS400R
1997 VFR750
1992 FZR1000
RGV400
TZR500
TZR350
1990 RZ350
1971 Porsche911S

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tacky1
Posts: 1248
Joined: Mon Sep 14, 2015 12:30 pm
Location: Bay Area. CA.

Re: ZX750E (GPZ750 Turbo)

#4 Post by tacky1 » Sat Dec 05, 2020 10:07 am

Very nice George. I like the conversion. Looks good.
1985 RZv500
1984 RZ500 Hybrid
1986 RG500 Walter Wolf
1986 RG500 Skoal Bandit
1984 RZ350
1984 RZ350 Hybrid
1981 RD350LC
1981 RD350LC Hybrid
2009 CR500AF Supermoto 250X
2007 CR500AF 250X
1988 YSR50 (2)
1989 VFR750R RC30
1984 GPZ750 Turbo

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kpke
Posts: 667
Joined: Tue Nov 30, 2010 9:54 pm
Location: Livermore, CA USA

Re: ZX750E (GPZ750 Turbo)

#5 Post by kpke » Sat Dec 05, 2020 10:24 am

Another really nice one Paul.

That thing looks and sounds beautiful.

Way to go.
Ken's Garage YouTube Channel :smt023
https://www.youtube.com/c/KensGarage1

1985 RZ500 (R6 suspension & body work)

silverstrom
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Re: ZX750E (GPZ750 Turbo)

#6 Post by silverstrom » Sat Dec 05, 2020 6:38 pm

Nice work! She looks and sounds great Paul :smt023

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JonW
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Re: ZX750E (GPZ750 Turbo)

#7 Post by JonW » Sun Dec 06, 2020 8:39 am

Love it! Beautiful work as ever :)
www.2smoked.com

80 XT500 Supermoto!
81 RD350LC Resto
82 RD421LC Hybrid
82 RD250LC '251LC' YPVS
83 RZ350 Resto
84 RZ500 Resto
85 RZ350 F1 Resto
86 RZ350 F2 Resto
86 RZ350 F2 Hybrid

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tacky1
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Location: Bay Area. CA.

Re: ZX750E (GPZ750 Turbo)

#8 Post by tacky1 » Sun Dec 06, 2020 12:30 pm

Thanks guys. I’m happy with how she turned out 👍
1985 RZv500
1984 RZ500 Hybrid
1986 RG500 Walter Wolf
1986 RG500 Skoal Bandit
1984 RZ350
1984 RZ350 Hybrid
1981 RD350LC
1981 RD350LC Hybrid
2009 CR500AF Supermoto 250X
2007 CR500AF 250X
1988 YSR50 (2)
1989 VFR750R RC30
1984 GPZ750 Turbo

Linx
Posts: 169
Joined: Fri Jul 28, 2017 4:23 pm
Location: Stratford Upon Avon UK

Re: ZX750E (GPZ750 Turbo)

#9 Post by Linx » Sun Dec 06, 2020 3:17 pm

I remember having a test ride on one in the 80's. The power seemed amazing and it could spin the back wheel by cracking the throttle open. I settled for the non-turbo version but only had it a year as it didn't handle well or keep up with the new GSXR 750.
:smt006 Current Bikes
1984 47X RD500LC, 2018 Triumph Speed Triple RS, 1999 Honda CB600F Hornet
Past Bikes Include
RD250LC, RD350YPVS LC2 Race Bike, RD350F2, 1976 CB400F

lost1750GTV
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Re: ZX750E (GPZ750 Turbo)

#10 Post by lost1750GTV » Sun Dec 06, 2020 4:26 pm

I was going to say, I remember the reviews on these and the Honda... had a Saab 99 turboback then and interesting as a turbo bike was, the thought of throttle response anything like the cars of the Era kinda put me off the idea.
The point of a turbo doesn't make much sense for a bike, but certainly an interesting engineering exercise - and worth saving for that alone.

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