Murray carbs?

  • kanexx
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10 Mar 2026 18:00 #922095 by kanexx
Murray carbs? was created by kanexx
What yall think about murray carbs? Spendy but maybe worth it if they work the way they say they do.
 

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  • Nessism
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10 Mar 2026 19:38 - 11 Mar 2026 04:23 #922098 by Nessism
Replied by Nessism on topic Murray carbs?
They are somewhat unique and would be a worthy addition if you were building a hardtail, or something along those lines.  In terms of more mainstream usage, they seem spendy compared to rebuilding a set of stock carbs.  And one nice thing about stock, you don't need to fart around with jetting.
Last edit: 11 Mar 2026 04:23 by Nessism.

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  • Wookie58
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11 Mar 2026 00:26 - 11 Mar 2026 00:27 #922100 by Wookie58
Replied by Wookie58 on topic Murray carbs?
This topic has come up many times and my view remains the same (it is only my opinion) auto manufacturers siamees carbs for reduced maintenance and better gas mileage (a compromise) but every engine tuner since the 50's has, where the rules allow favoured one venturi per cylinder (carb or throttle body) this allows for a shorter intake runner and a straighter path into head for the intake charge.
With regards to "their claims" - according to advertised claims, an exhaust, jet kit and K&N filter will make my "K" faster than an injected GPZ1100 (they all claim 10 - 15 percent power increase for their products) so I don't know why the factory bothered designing a new head & cams etc. Take Nessism's advice, save money and go faster :)
Last edit: 11 Mar 2026 00:27 by Wookie58.

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11 Mar 2026 03:34 - 11 Mar 2026 03:36 #922103 by Warren3200gt
Replied by Warren3200gt on topic Murray carbs?
As said, its come up numerous times. Any engine tuner will tell you their claims are utter rubbish. 
if they worked as they say they do i would think the big four jap bike manufacturers would have saved shed loads of money by only fitting 2 carbs instead of four.
to get the best performance from any engine the air fuel mixture needs to be specific to each cylinder. You cant do that with one carb supplying more than one cylinder and expect best performance. 
 


Last edit: 11 Mar 2026 03:36 by Warren3200gt.
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11 Mar 2026 04:36 - 11 Mar 2026 11:52 #922104 by Injected
Replied by Injected on topic Murray carbs?
I don't know why anybody would think that anything other than 1 carb per cylinder would be better or faster.

The factory thought it was necessary to engineer the engines to have multiple carbs even on twin cylinder models. There is more HP potential when using one carb per cylinder, and I have never met anybody who wants to make less HP.

Less carbs are only good for people who can't tune carbs.

1978 KZ650B2 w 1197cc Z1 engine
1977 KZ650B1 w 750cc Spectre engine
1979 KZ650C3 w 831cc Hot Rod engine
1978 KZ650C2 w 762cc DFI project
1977 KZ650C1 stock restoration project
1978 KZ650B2 modified project
1978 KZ650B2 Injected Drag 831cc
1980 Z1 Custom Frame Drag 1327cc
1981 Z50R Honda tow bike
Last edit: 11 Mar 2026 11:52 by Injected. Reason: more info
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  • Nessism
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11 Mar 2026 05:32 #922105 by Nessism
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I think the main allure of these carbs is that they are new.  Many people are fearful of carbs, and they think that buying these are a shortcut to getting their bike running well.  The twin crowd seem to be the most likely to adopt.
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11 Mar 2026 23:21 #922145 by quantity
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My 79 400 came with one installed. After a lot of messing around, changing pilot jet and jet needle I had it running great. I was hoping for better support when I emailed Murrays but all they told me was "don't degrade it". That was no help at all. So don't expect a bolt on perfectly tuned carb out of the box.
After getting it dialed in I took a lot of trips in a lot of different conditions and it performed well. But I have to agree with what was already said, individual carbs are better. Cheaper too depending on what you have and what you want.  

74 KZ400 - 446cc
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12 Mar 2026 12:57 #922169 by Pichu1214
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Hi, I have a pair of Murrays installed on my KZ1000 and I'm not complaining, low maintenance and fewer headaches, but if one thing needs to be made clear, nothing beats 4 carburetors properly tuned.
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  • kanexx
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15 Mar 2026 18:01 #922256 by kanexx
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Well said everybody that chimed in, and thank you. I am gonna stick with the OE. It seemed to good to be true when I read about the murray carbs. Will save my money, and find other ways to make my bike faster. Thanks again fellas, Kane
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15 Mar 2026 19:12 #922259 by TexasKZ
Replied by TexasKZ on topic Murray carbs?
I think the best bang for the buck is a name brand exhaust system and some mild performance cams. 

For a serious increase in power, all you really need is cubic money. 

1982 KZ1000 LTD parts donor
1981 KZ1000 LTD awaiting resurrection
2000 ZRX1100 not ridden enough

www.kzrider.com/forum/11-projects/620336...amateur-build-thread
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  • Kelly E
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15 Mar 2026 19:21 #922260 by Kelly E
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I think the best bang for the buck is a name brand exhaust system and some mild performance cams. 

For a serious increase in power, all you really need is cubic money. 


I'm pretty happy with a Delkevic exhaust and a set of RS 34's.

The Rust Bros. Garage Collection
1974 Honda CB 550 K0
1975 Honda CB 400F Super Sport
1977 Kawasaki KZ 1000 LTD
1978 Kawasaki KL 250
1980 Suzuki GS 1100E
1983 Honda CB 1100F
1984 Honda Sabre 700
1984 Honda Interceptor 1000
1990 Moto Guzzi 1000
1994 Kawasaki ZG 1000 Concours

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  • Kofla
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20 Mar 2026 02:42 #922373 by Kofla
Replied by Kofla on topic Murray carbs?
I made the mistake of checking out the Murray carbs site. Now there are ads for them all over my Facebook. Hahaha

1978 Kawasaki KZ1000 LTD
2010 Kawasaki Ninja ZX-14
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