Carb Jetting "Jet Chart for Mikunis"

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03 Aug 2009 05:30 #311110 by Old Man Rock
Carb Jetting "Jet Chart for Mikunis" was created by Old Man Rock
I came across this "Various Mikuni Jetting" where sharing with you guys who have these carbs.... Good or bad, unknown!

www.postdiluvian.org/~mason/moto/jetting.html

OMR

1976 KZ900-A4
MTC 1075cc.
Camshafts: Kawi GPZ-1100 .375 lift
Head: P&P via Larry Cavanaugh
ZX636 suspension
MIKUNI, RS-34'S...
Kerker 4-1, 1.5" comp baffle.
Dyna-S E.I.
Earls 10 row Oil Cooler
Acewell 2802 Series Speedo/Tach
Innovate LC1 Wideband 02 AFR meter

Phoenix, Az
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03 Aug 2009 06:14 #311113 by Russ Jackson
Replied by Russ Jackson on topic Carb Jetting "Jet Chart for Mikunis"
Great chart and link. What we someone should do is make a chart that gives proper jetting for different variations. Like KZ900 with Mac 4 into 1, K&M Pods. There are so many options and carbs out there....Russ

1976 KZ 900 B1 29 smoothbores, Kerker, Lester Mags
2008 Kawasaki Concours 14 abs

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03 Aug 2009 06:22 #311114 by Old Man Rock
Replied by Old Man Rock on topic Carb Jetting "Jet Chart for Mikunis"
Unfortunately, this would be difficult due to all the variables... Engine / camshaft mods, intake/exhaust vacuum, which pods, which exhaust/baffles, elevations/altitudes, OEM or EI ignition configurations, petcocks installed, carbs themselves etc....

Yes it's a pain in the ass and we go through many different trial/error jet size before dialing it in... Only way to truly accomplish dial in YOUR setup for every motor is slightly different....

Would get you close to start your final jetting just the same....

Websites such as this is basically doing that... ;)

OMR

1976 KZ900-A4
MTC 1075cc.
Camshafts: Kawi GPZ-1100 .375 lift
Head: P&P via Larry Cavanaugh
ZX636 suspension
MIKUNI, RS-34'S...
Kerker 4-1, 1.5" comp baffle.
Dyna-S E.I.
Earls 10 row Oil Cooler
Acewell 2802 Series Speedo/Tach
Innovate LC1 Wideband 02 AFR meter

Phoenix, Az

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03 Aug 2009 06:39 - 03 Aug 2009 06:42 #311118 by Old Man Rock
Replied by Old Man Rock on topic Carb Jetting "Jet Chart for Mikunis"
Here you go, found an excellent article on Jetting in general....

NOTE: May be a little different in your exact carb setup but the definitions and what your trying to accomplish is the same pretty much for all carb jetting... Well defined! ;)


scootrs.com/tech.cfm?tip=tunecarb

1976 KZ900-A4
MTC 1075cc.
Camshafts: Kawi GPZ-1100 .375 lift
Head: P&P via Larry Cavanaugh
ZX636 suspension
MIKUNI, RS-34'S...
Kerker 4-1, 1.5" comp baffle.
Dyna-S E.I.
Earls 10 row Oil Cooler
Acewell 2802 Series Speedo/Tach
Innovate LC1 Wideband 02 AFR meter

Phoenix, Az
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Last edit: 03 Aug 2009 06:42 by Old Man Rock.

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03 Aug 2009 06:44 #311120 by Old Man Rock
Replied by Old Man Rock on topic Carb Jetting "Jet Chart for Mikunis"
Motorcycle Carburetor Theory 101...

hondanighthawks.net/carb14.htm

1976 KZ900-A4
MTC 1075cc.
Camshafts: Kawi GPZ-1100 .375 lift
Head: P&P via Larry Cavanaugh
ZX636 suspension
MIKUNI, RS-34'S...
Kerker 4-1, 1.5" comp baffle.
Dyna-S E.I.
Earls 10 row Oil Cooler
Acewell 2802 Series Speedo/Tach
Innovate LC1 Wideband 02 AFR meter

Phoenix, Az

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03 Aug 2009 09:12 #311158 by Patton
Replied by Patton on topic Carb Jetting "Jet Chart for Mikunis"
Another helpful source is the carb info provided by Z1E.
Scroll down to the charts, which also include 29 smoothbore.

Click here > Carb info at Z1E

Good Luck! :)

1973 Z1
KZ900 LTD

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