Question about kawasaki KLX 250 Motorcycles

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Water in oil low compression clean carb but only run with choke out.also just run @3000 rpm an die if you try to rev the motor .it is a klx 250 around 1998 year model.

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Ckeck air filter,you may need to rebild the carborator. i have two klr 650's my self. ckeck ebay for replacement carb.

Posted on Sep 27, 2009


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1 Answer

2003 KTM EXC 250 hard to start. Heavy kicking full throttle choke closed finally starts. 4 stroke. Revs high then low and dies what do I need?

That sounds like a loose hose or bolts between the carb and the cylinder. Classic symptoms of hard starting, revving and dies. If not that, strip and clean the carb.

Dec 12, 2016 | KTM Motorcycles

1 Answer

Hi, my zzr 250 hadn't been started for about 8 months, so it fired up nicely with the choke on but once the bike warmed up I couldn't get it to idle once the choke was off, i tried more air to the carby...

Could be one of two things
1. The carbs are gummed up. Modern fuel will break down after only a few months. The idle jets are quite small and will easily become blocked. Strip and clean the carbs.
2. The throttle cable is sticky. Less likely, but possible. Make sure it opens and snaps shut easily.
What do you mean when you say you tried more air?

Aug 04, 2010 | 1991 kawasaki ZZR 250

1 Answer

KLX 100 will stay running with choke fully in

have you checked the fule flow from the fule tank?
you may need to strip the carb down to give it a realy good clean out too this bike is just not getting any fule to it

Jul 06, 2010 | 2007 kawasaki KLX 250

2 Answers

2009 KLX 250 will start and idel, but dies if you give it any gas. Any ideas?

you have a blocked carb jet the engine is running very week to prove this give it a little choke and it should then rev up ok
so you need to strip down the carb and clean out all the jets,,use carb cleaner and dont go poking bits of wire into any jets to try to clear them,,,you will only distroy them that way,,,comprest air would help if you have it if not its carb cleaner

Apr 14, 2010 | 2007 kawasaki KLX 250

2 Answers

Rebuilt all four carbs cleaned and replace needle and seat.Bike runs on choke at idle but will not excelerate,dies when you turn the throttle. feather the throttle past 3000 rpm and it will respond but...

the ajustment need to be set where they were originaly, needle position and mixture screw. the carbs are not suppling enofe fuel, was there any torn seals or diaphrams.

Mar 15, 2010 | 1985 Yamaha FJ 1100

1 Answer

1991 yz 80 won't run with choke off.

Go to , and down load a (free) manual, then go through the trouble shooting section.

Dec 30, 2009 | 1991 Yamaha TZR 250 R

2 Answers

Hi I've gota DTR 125 54 model Bike was rev high won't idle unless choke was on. When i turn choke off it revs high then cut out. So I clean pilot jet main jet did looked a bit blocked. but all clean now, I...

It would be best if the whole carburetor were soaked in carb cleaner and then blown out with compressed air. You could have a plugged up passageway in the carburetor. If you take this route and use comercially available carburetor cleaner, DO NOT put any rubber or plastic parts from your carb in the carb cleaner as it will ruin them. As for the jets, make sure you can see light through them. I usually take a strand of copper wire (like from stranded automotive electrical wire) and run it through the jets to make sure they are clean.
If this fails to correct the situation, check the engine's compression. Low compression will cause the engine to not run at low RPM. You need to see at least 140PSI of compression (throttle wide open) in order for the engine to idle. If the compression is low, adjust the valve tappet clearances. If this fails to bring the compression to a normal level, then the engine needs internal repairs.

Nov 30, 2009 | 2004 Yamaha DT 125 R

2 Answers

Yamaha EF1000is, Will no run without choke on

It is starved for fuel. PROBABLY needs to have carbureator cleaned and adjusted OR the fuel filter may be clogged.

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1 Answer

2007 klx 250 runs only when choke is on.

hi buddy on carb is a mixture air screw fiddle with this till it runs if it doesnt i have another plan buddy get back to me with results 8ce62f2.jpg

Oct 12, 2009 | 2007 kawasaki KLX 250

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