Hi
I have a 92 model Zxr 750 i was wondering if a Zx7 motor will fit as i can get one cheap.
Also i know that you can put a Zx9 motor in them i was wondering if anybody knew what year model fits the best???
Cheers
What motor will fit my zxr 750
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h.b.bear
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Re: What motor will fit my zxr 750
over to you gos 
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seiko1
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Re: What motor will fit my zxr 750
That would be this one 
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MadKaw
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Re: What motor will fit my zxr 750
Nope that motor doesn't fit but the previous model one might.
I believe the 93 to 95 zx9r engine is the go.
http://homepage.ntlworld.com/webzxr/zxr ... _zxrr.html
I believe the 93 to 95 zx9r engine is the go.
http://homepage.ntlworld.com/webzxr/zxr ... _zxrr.html
Dave
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ex bikes
05 ZX-10R Race Bike - No.77
95 ZXR750R M Race Bike - No. 75
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zx6r, zx7r, GPX750, GPX500, lots of KX's.
I ride way too fast to worry about cholesterol
2010 Z1000
ex bikes
05 ZX-10R Race Bike - No.77
95 ZXR750R M Race Bike - No. 75
98 ZX9R Race Bike - No. 000
zx6r, zx7r, GPX750, GPX500, lots of KX's.
I ride way too fast to worry about cholesterol
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Jonno
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Re: What motor will fit my zxr 750
B series motor or at least the B2 does, I have one but you have to buy the rest of the bike with it I am afraid.
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mattyv74
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Re: What motor will fit my zxr 750
B series will fit. Any 7r engine will fit. I think 
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P4nza
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Re: What motor will fit my zxr 750
Didnt dave#3's mutant have this same setup? zx7 frame with a 9 engine?MadKaw wrote:Nope that motor doesn't fit but the previous model one might.
I believe the 93 to 95 zx9r engine is the go.
http://homepage.ntlworld.com/webzxr/zxr ... _zxrr.html
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Kwak addict
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Re: What motor will fit my zxr 750
ZXR 750 L engines are the same as J models externally so will bolt straight in (& give you an extra 15+ HP)
ZX7R engines will not fit without a lot of fabrication & modification.
ZX9R B model engines will fit with very minor clearancing mods to the top mount on the cylinder head casting & frame webbing as per MadKaw's link.
Go for the 9 if you can get one, the torque boost is a thing of beauty & you'll be blessed with around 40 more horses than the 750 J & because it's a 9, each one of those horses has the grunt of a Clydesdale & the speed of a thoroughbred Stallion
If you do go for the mighty 9 POWERplant, use the 750 L 38mm carbs instead of the stock 40s, tons better bottom end, midrange & throttle response & you'll never notice the 3 or 4 HP you lose @ 10K+ rpm.
Back me up Timbo.
ZX7R engines will not fit without a lot of fabrication & modification.
ZX9R B model engines will fit with very minor clearancing mods to the top mount on the cylinder head casting & frame webbing as per MadKaw's link.
Go for the 9 if you can get one, the torque boost is a thing of beauty & you'll be blessed with around 40 more horses than the 750 J & because it's a 9, each one of those horses has the grunt of a Clydesdale & the speed of a thoroughbred Stallion
If you do go for the mighty 9 POWERplant, use the 750 L 38mm carbs instead of the stock 40s, tons better bottom end, midrange & throttle response & you'll never notice the 3 or 4 HP you lose @ 10K+ rpm.
Back me up Timbo.
Ex T.K.A. ZXR 750 RR
ZXR 7/9 L3 Streetfighter
ZX9 C Trackbike - ex Maccarocks & Slow & Wobbly... still a weapon!
Plus a ZX7 & a few ZXR Ls & ZX9 Bs & Cs in various stages of completion.
ZXR 7/9 L3 Streetfighter
ZX9 C Trackbike - ex Maccarocks & Slow & Wobbly... still a weapon!
Plus a ZX7 & a few ZXR Ls & ZX9 Bs & Cs in various stages of completion.
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greenman43
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Re: What motor will fit my zxr 750
94-97, that should be. 96-97 is better, as the clutch spins slower improving the shifting.MadKaw wrote:Nope that motor doesn't fit but the previous model one might.
I believe the 93 to 95 zx9r engine is the go.
http://homepage.ntlworld.com/webzxr/zxr ... _zxrr.html
Cheers,
Brian
07 ZX10R track 09 ZX6R road/track 93 ZXR750 race 89 GPZ900 project
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Do not walk behind me, for I may not be leading
Do not walk in front of me, for I may not be following
Do not walk alongside me, for the path may be narrow
Just piss off and leave me alone