Question about 2003 kawasaki KLX 400 R
Just riding a klx 400 and it just shut off restarted but wont take the gas @
Hi, Iam and the usual suspects are:
1. Idle port, transfer ports, slow air jet clogged.
2. Idle adjusting screw set too low.
3. Air fuel mixture adjustment too lean.
4. Pilot/slow fuel jet clogged.
5. Faulty accelerator pump.
6. Float level too low.
7. Float bowl contaminated old fuel, water, dirt, rust, etc.
8. Carburetor bowl vent line clogged/blocked/pinched.
9. Fuel line to carburetor kinked or pinched.
10. Fuel filter clogged.
11. Intake manifold leak.
12. The gas cap is not venting properly or fuel tank venting system blocked.
13. Vacuum line from intake manifold to petcock broken, cracked, or not attached, carburetor vent line plugged.
14. Needle and seat stuck closed in the float bowl.
15. Multi carburetors not in sync.
16. Faulty fuel pump or internal fuel line has pinholes.
17. Fuel injectors clogged or faulty.
18. Faulty throttle position sensor.
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KLX400 idles but wont take throttle
Suzuki DR Z400E 2000 Service Repair Manual
OEM Parts for Kawasaki
2003 Kawasaki KLX400R Owner Manual
Posted on Apr 16, 2019
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Posted on Jan 02, 2017
SOURCE: choke on
Sounds like your idle jet is clogged. This is caused by gasoline evaporating out of the carburator during long periods of disuse which can leave a varnish residue. You will probably need to remove the float bowl and remove the jet to clear it as carb cleaning additives in the gasoline are usually useless for this problem. It is vital that you use the exact fit screw driver on float bowl screws as they are usually very tight. The jet will have a very small opening and you could damage the jet if you use the wrong method to clean it (do not use a drill bit). First try a carburator cleaner spray with the small plastic straw that comes with them. Look thru the jet hole by holding it up to a strong light to see that it is indeed clogged. Then try holding the small straw in the jet orifice and forcing the cleaner into and through the jet. Be careful that you don't deflect the spray back into your eyes. Use eye protection. You could try to soak the jet in a cap full off the cleaner for a while. If that doesn't work a very small stiff wire might work to push the clog out (from a wire brush?). Then try the spray method again.
Posted on Nov 10, 2008
Clearance should be 0.10mm-0.20mm (0.10mm-0.15mm for hot cams)
same as the drz, intervals are supposed to be 14,000 miles but I used to do mine at less than 10,000
hope this helps!
Posted on Sep 11, 2010
SOURCE: my klx 400 stock carb
check and clean the carb, there must be a dirt or an small object blocking the intake line of carb causing to malfunction the fuel floater. the floater acts like a control switch when the fuel reservoiris already full the floater floats causing to shut of the fuel.
Posted on May 02, 2011
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