1998 ZX6R Stock Carb Settings. - KawiForums - Kawasaki Motorcycle Forums
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post #1 of 3 (permalink) Old 05-16-2013, 01:33 PM Thread Starter
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Join Date: May 2013
Location: Denver, CO (Aurora)
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1998 ZX6R Stock Carb Settings.

I am looking for the Initial (baseline) settings and jet sizes Kawasaki used on the 1998 ZX6R.

I am having issues with a (new to me) Ninja.
Seems to be running real rich (I live in Denver @ 5,000+ feet of elevation).

Backfires and stalls under acceleration. If I let off the throtle and pull the cluth, it will keep it form stalling. This is more of an intermitent issue than an all the time issue. Also have to hold the throttle open to start the bike to get enough air through the carbs. Lots of Fuel smell when I warm up the bike.

This is on a Completely Stock Bike (I think). Exhaust is stock, but not sure about the carb settings. I have cleaned the airfilter and changed the plugs. But this did not help the issue.

Thinking about pulling the carbs off the bike and cleaning them, Possibly dropping the Main Jet size one to two sizes. What else should I be looking at and checking? (will also be changing the fuel filter).

Any help or advice would be greatly appreciated.
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post #2 of 3 (permalink) Old 06-23-2015, 12:15 AM
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Join Date: Jun 2015
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Pilot screw turn all 4 in until snug then turn all 4 out 3 turns that is the stock setting / float heights 7mm plus or minus 2 mm/ now you need to sync the throttle butterfly valves (flaps ) start on throttle side get two identical in size objects i prefer 2 1/8 drill bits place 1 drill bit between flap and carb now adjust other 3 using other drill bit to fit. or u can buy a vacuum synchronizer and do the same thing
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post #3 of 3 (permalink) Old 06-24-2015, 07:31 PM
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Join Date: Apr 2008
Posts: 52
What did the plugs look like when you changed them? Were they black or white? ALso, when the bike is up and running, what temp does it like to hang around? Rich running bikes will blacken the plugs and make the bike run cooler.
IF the bike is new to you, I'd take the carb apart, tear it down, check floats, unscrew all the jets and make sure they are really clean. Then follow directions above. Syncing the carbs can be a pain in the ass - if you don't feel like buying vacuum gauges, you can accomplish the same thing with some 3/8 plastic tube taped in a loop around a yard stick - there has to be a pic of tha ton here somewhere. Good luck!

02 Yellow zx-6r
Full akra exhaust, lowered, some other aesthetic shit
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