Question about kawasaki KX 125 Motorcycles

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Im thinking that my 99 kx 125 2 stroke is flooded and need help on how to un-flood it.

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It can be un-flooded if you let the bike sit for a half an hour to an hour if its not starting check your spark plug or replace it and check to make sure your carburetor is not dirty.

Posted on Jul 31, 2010


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Kx 250 1999 starts on choke few seconds then floods itself there are 2 sensors on carb could they be problem the bike is very low hours never raced always started perfectly is there something electronic...

Hi, Anonymous and the usual suspects are:
1. Dirt or other foreign matter between float valve and its seat.
2. Float valve sticking.
3. Float valve and/or valve seat is worn or damaged.
4. Float misadjusted.
5. Float cracked, leaky or damaged.
6. Excessive "PUMPING" of hand throttle grip.
For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
KX 250 Flooding When Starting Backfires
03 kx250 bogging and flooding problems
Kawasaki KX250 Service Manual
OEM Parts for Kawasaki
Kawasaki kx125 1997 Owner Manual

Btw, I’m available to help over the phone in case u need at

Sep 02, 2017 | 2003 kawasaki KX 250

1 Answer

My yamaha dt has a small spark but wont start

  1. Check Gap On Plug,
  2. 2 Strokes Tend To Flood Easily, Take Plug Out & Clean, Lightly WD40 The Plug Bore, try To Leave Overnight In Dry Conditions, Plug Back In, Should Start

Feb 14, 2011 | 2000 Yamaha DT 125 R

1 Answer

What kind of oil should i put in my 2005 kawasaki kx 125?

if your talking about fuel mix oil the best is either amsoil or red line fully synthetic oil is the best out there(not cheep though)...if your talking about engine oil (wet clutch)i think bel-ray is the best..(thats what i have had best luck and less breakdowns with)

Jul 28, 2010 | 2005 kawasaki KX 125

1 Answer

How do i un flood my honda cg 125

you could try taking the spark plug out, turning the fuel off and turning it over alot. or turn the fuel off and hold the throttle open whilst turning it over.

Jul 21, 2010 | 2003 Honda XR 125 L

1 Answer

I think my bike is flooded how do i cure it or

take the spark plug off and also turn the fuel off when you finish with it then also on carb there is 2 screws one for idle and one for mixture turn the mixture screw in 1/4 of a turn and try this belows picture will help ya bud5e998e6.jpg

Sep 02, 2009 | 2003 Aprilia RS 125

1 Answer

Kx 125 2003

im pretty sure that the bike is a all in one menin that oil in tranny is same that flows in motor

Jul 22, 2009 | 2003 kawasaki KX 125

1 Answer

2002 kx 250 2 stroke wont start

sounds like too much oil in the mix add more gas & clean spark plug
Cheers Rob

Jul 21, 2009 | kawasaki Quad Bikes

1 Answer

Just wondering what could be causing flooding with my kx 125

Causes of flooding on your bike are:
  1. Float level set too high
  2. Too large a main jet, #420 std. ( 400 min, 470 max)
  3. restricted air flow / filter
  4. Pilot jet too large #40 std. (35 min, 45 max)
  5. Air screw set too lean
  6. Jet needle clip set too low on the needle

Jun 24, 2009 | 2003 kawasaki KX 125

1 Answer


i know you have to change the oil and oil filter but how often and is that the only thing different from maintance on a 2-stroke?. Im getting an 04 kx 250f any help would be great!The two most important aspects of four-stroke maintenance are frequent oil/filter changes and regular valve clearance checks/adjustments. And some four-strokes (RMZ450 for example) have a manual timing chain tensioner that must be regularly checked/adjusted. Everything else is exactly like a two-stroke.,,,

Nov 10, 2008 | 2002 TM Racing E 125

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