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Keihin CR or Mikuni flat slides? 29 Jan 2020 17:16 #818204

  • ACaveKZ1075
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Currently running Keihin vacuum carbs and want better response but i am torn between the Keihin CR carbs and the Mikuni flat slides. Running a 1075cc. I live in florida ment=132143]9d67d6ae4d9a42df8dbde42baaa28cb1[/attachment]
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Last edit: by Street Fighter LTD. Reason: Pics didn't work

Keihin CR or Mikuni flat slides? 30 Jan 2020 04:23 #818220

  • TexasKZ
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I would say--
First choice Keihin CR if you can find them and at a price that doesn't make you faint.
Second choice Mikuni RS, can be a bit finicky to set up, but great when dialed in. Usually easy to find and only kind of expensive.
Lectrons. Do not even consider for a street bike. They are designed for wide open throttle operation, and pretty much suck at anything else.

P.S. Can't see your pics. It seems to be better to insert them rather than link to a hosting site.
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1981 KZ1000 LTD awaiting resurrection
2000 ZRX1100 not ridden enough
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Last edit: by TexasKZ.

Keihin CR or Mikuni flat slides? 30 Jan 2020 05:45 #818223

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At z1enterprises they're almost the same price point. Looking at dropping a grand anyway. Thank you for the reply!
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Keihin CR or Mikuni flat slides? 30 Jan 2020 05:51 #818224

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Try the pics now
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Keihin CR or Mikuni flat slides? 30 Jan 2020 09:19 #818243

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TexasKZ wrote: I would say--

Lectrons. Do not even consider for a street bike. They are designed for wide open throttle operation, and pretty much suck at anything else.


Amen, brother!

Mike
Presently - 1980 KZ1000B4 LTD w/mild ported head, Megacycle cams, 1015cc Wiseco, Falicon Supercrank, R&D undercut trans
In a former life - KZ-based dragbike - CrMo car tire chassis, 1395cc, Hahn Racecraft turbo system, VP C16, Orient Express 3-spd auto, 7.80's @ 165-170.
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Keihin CR or Mikuni flat slides? 30 Jan 2020 09:21 #818244

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Thanks mike! Can you guys see the pics now?
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Keihin CR or Mikuni flat slides? 30 Jan 2020 11:16 #818249

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I fixed your pictures to enlarge them, Next time hit the insert all tab to complete picture posting

If not racing , and wanting more responsiveness I would find a set of stock 26mm or some 28mm carbs and just jet them to run correctly.
Small 26 mm carbs would be snappy as air flow is higher at lower rpms
Pipe looks good for chosen design but will be real loud . Tuning may be tricky too
Enjoy
Dave

Original owner 78 1000 LTD
Mr Turbo Race Kit, MTC 1075 Turbo pistons by PitStop Performance , Falicon Ultra Lite Super Crank, APE everything. Les Holt @ PDM's Billet Goodies . Frame by Chuck Kurzawa @ Logghe Chassis . Deep sump 5qt oil pan. RIP Bill Hahn
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Last edit: by Street Fighter LTD.

Keihin CR or Mikuni flat slides? 30 Jan 2020 11:55 #818251

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Thank you dave! Everyone has been awesome on this forum for my first post. Yes they are very loud! They get a nice dissonance running cylinder 1 and 2 then 3 and 4 together. Sounds like a v- twin and an old kaw inline hybrid unbaffled. Very pleased with the result. Sorry there's no pics of it tigged together. I'm gonna run a high polish on the pipes as they are stainless.
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Keihin CR or Mikuni flat slides? 30 Jan 2020 15:31 #818261

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Here is another source for Mikuni RS

kzzone.com/carbs.html

And another
dynoman.net/carb/mikuniRS2.html


And a source for Keihin CRS
dynoman.net/carb/keiCR.html

And another for both
www.pjmotorsports.com/index.html
1982 KZ1000 LTD parts donor
1981 KZ1000 LTD awaiting resurrection
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Last edit: by TexasKZ.

Keihin CR or Mikuni flat slides? 30 Jan 2020 15:41 #818262

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ACaveKZ1075 wrote: At z1enterprises they're almost the same price point. Looking at dropping a grand anyway. Thank you for the reply!


Z1E sells Keihin CR carbs? I have looked a couple of times and not found them.
1982 KZ1000 LTD parts donor
1981 KZ1000 LTD awaiting resurrection
2000 ZRX1100 not ridden enough

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Keihin CR or Mikuni flat slides? 30 Jan 2020 17:55 #818269

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My mistake..... their sister site carries them dime city cycles. I always forget the distinction because i live minutes away from their office/ warehouse, but they're all under revival . Z1enterprises, randakkscycleshack, mikesxs, and dimecitycycles.

Here's a link to the CR 33s but they have up to a 35.

www.dimecitycycles.com/vintage-cafe-race...retor-016-3079.html#
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Keihin CR or Mikuni flat slides? 31 Jan 2020 10:12 #818300

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Whoa, whoa, whoa, were gonna need more pics of that chopper. did you fabricate that header? looks crazy!
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Last edit: by DoctoRot.
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