I have a 2004 KX 125 I just picked up about a month ago and when I test rode it I was ripping and when I get it like 4 days later I went for a ride there was a dead spot in the carb i but I just kept riding figured it would do much (i did the same on my yz)and I rode about 20-30 min and my bike just died like it wasn't getting enough gas I have compression the air filter is clean I just don't know if its a problem in the carb or the Jets or the plug
Hey Steve
Put a new spark plug in first...
... Sounds more like a fuel delivery issue... (the jests are in the carb and are considered one item). IF THE ENGINE HAS BEEN MODIFIED - FIND A REAL PRO THAT KNOWS HOW TO JET AN ENGINE - I CANNOT STRESS THIS ENOUGH - THIS IS not FOR AMATEURS!!
Make sure you have fuel flowing to the carb..(turn the gas off at the petcock - remove the gas line and then turn the gas on -- if its flows quickly and a full stream - turn the gas off, reconnect the gas line. Now, on to the carburetor... IF you are a great mechanic, you can clean and set the carb..IF NOT - take it to a qualified pro!! After the carb is cleaned and set.. it should run great...
Please reply to me when you are done with these steps..
SOURCE: klx 110 2006 stalls when choke is pushed in
i'd say the carb is gummed up especially the pilot jet (#16158) in this pic of the USA carb. may have to remove the carb & bowl and then remove the pilot jet (w/ flat head screw driver) and clean out the tiny holes.
http://partsfinder.onlinemicrofiche.com/atlanticcycleandpower/Kawasaki_OEM/KawasakiDB.asp?Type=18&A=39&B=17&Action=O
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the carb slide is installed backwards (turned 180 degrees). its #16025 in the pic. i've done this before on my daughter's XR70 and Z50. you'll know if its this when you move the choke lever, RPMs increase and decrease.
hope this worked for you and was fast enough.
SOURCE: Air box and crank case fuel flooding problem
Well there only one way the fuel can get into the crankcase and that's from the fuel tank. The petcock must be draining and the float needles are not stopping the fuel flow. Do you have a prime position on the petcock? If so do not run the bike in the position. Try topping the tank off with gas and letting it sit for a while and see is the gas has gone down and then check the crankcase and see if there's fuel in it again. i still say its got to be your petcock.
Testimonial: "I will try it, thanks!"
SOURCE: I have a 95 Kawasaki Vulcan 800. Here lately I
Sounds like the carb has not been cleaned properly, gas overflow like that could be caused from a worn seat/needle. Did you put after market exhaust on it?
SOURCE: what is the Kawasaki kx 125 compression i did test
anything over 120 on compression test is ok. anything under 120 and its time for top end. and for bog you might try cleaning carb.
SOURCE: Idling engine dies with even slight throttle twist.
Check float height in carbs.Thanks for asking and I hope this helps out.Please leave me 4 thumbs up.
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