Question about 2002 Honda CR 125 R

2 Answers

I need air/fuel adjustments(# of turns in/out)for '02 CR125R

When I try to take off in 1st gear it acts like its flooding the carb, and tries to die unless I pull clutch in and rap the **** out of it. It only seems to do this after I've been riding for 10 or 15 minutes, not on initial start and run.

Posted by on

  • neatandjake Feb 23, 2009

    exactualy the same but only the first ten or so min then comes good.its also got my stuffed mate iv tryed almost everything buddy


2 Answers

  • Level 1:

    An expert who has achieved level 1.


    An expert whose answer got voted for 20 times.


    An expert that has over 10 points.


    An expert whose answer got voted for 2 times.

  • Contributor
  • 15 Answers

Air Screw 1.5 turns out seems to work ok

Posted on Feb 14, 2009

  • Level 1:

    An expert who has achieved level 1.

    Problem Solver:

    An expert who has answered 5 questions.

  • Contributor
  • 5 Answers

Change your spark plug i had same problem bud

Posted on Aug 07, 2012

Add Your Answer

Uploading: 0%


Complete. Click "Add" to insert your video. Add



Related Questions:

1 Answer

Settings for fuel/air mix?

Hi have you checked fuel filter or filter in the tank also make sure the fuel line has no kinks you say the diaphragm looks good make sure there are no holes or it's not sticking as this will cause fuel level to be low in float chamber and cause fuel starvation.Good luck.

Oct 13, 2014 | 2007 Qlink Legend 250

1 Answer

What causes it to flood out and die

Are you running a carb? If so then check to make sure the choke is fully off, also check to make sure that the vent hose from the carb isn't blocked, and also check your gas tank cap. The easy way to do this is to crack it open like you are going to take it off but just enough so that there is no restriction of air into the gas tank. Leave the cap on the tank. Start it and see what she does. Sometimes what acts like flooding out is actually fuel starvation

Also, how old is the gasoline that you are using? If it's over a month old drain it and put in fresh.
Has your bike sat without running for some time? If yes then the carb could be junky and need cleaning.
Have you put any aftermarket parts on it? If you have changed the exhaust pipes, the carb needs to be tuned to the new pipes and if you went to a K & N style airfilter that is going to mean carb tuning as well.

Another thing is to check for vacuum leaks on the back side of the carb to intake manifold, and intake manifold to the heads. Spray bottle with water will cause the engine to react with either a increase in RPM or a decrease in RPM at idle

If anybody has been into the carb then you may have an internal vacuum leak in the carb itself.

Check all the simple stuff first and go from there.

May 12, 2014 | 2002 Harley Davidson XL 1200 C Sportster...

1 Answer

My 2006 yz 250 will start and run good for a second but then it pretty much floods itself, it is the craziest thing ive ever seen! it almost acts like the choke is stuck on and the more gas you give it the...

If you are flooding your cylinder, you may have a carb issue. I would suspect that the float needle is not seating. You may need a needle replacement, or float adjustment. But if the engine is whinning out and revving high, then you may have a air leak or a need adjust your air screw.

Dec 12, 2012 | 2006 Yamaha yZ 250

1 Answer

1100 midnight special carb and gearbox settings Carbs flood and heavy on fuel When pulling away the gears slip between 1 st and second if the power is opened up, slowly pulling away under 2500 rpm seems...

do you have belt drive or chain? if you have chain and isnt adjusted and could be adjusted a little bit tighter you might see some improvement....oh and don't be wearing tennis shoes when you shift....wear boots....i"ll tend to give a more positive up-shift into second gear!
As far as carbs you turn your fuel to the off position and check the fuel cap vent system....too much pressure in a full tank and an open petcock my cause those bowls to over-flow. drizziling fuel into the carbs. Wet plugs in the morning.....hit the kill switch and crank for 5 sec.with throttle wide open, then wait 10 sec put kill switch back to start and try might also have the wrong fuel pump installed!

Sep 13, 2009 | Yamaha XS 400 Special Motorcycles

1 Answer

Choke is working only has 5000km on bike and once bike warms up it loads up wih fuel and then dies out all ports are clean i tore the carb a part 3 times what should the fuel|air screw be set must be...

It seems the carb/s flooding with fuel and thus it dies, try to reset the float pin and get the correct level of the fuel in the float chamber.
Standard procedure for air-mixture screw setting is u take the screw right in slowly taking care not to over tighten it as it may damage the tip of the screw.
Warm up your bike's engine and thn slowly turn anti clockwise the air-mixture screw to about 2 & a half turns and observe the engine's idling.
Before you attempt this setting(air-mixture) its better too, to replace the spark plug and set the gap to the specs of your bike's engine and check and adjust accordingly the valve clearance.
Hope this helps!

Jul 22, 2009 | 2002 Suzuki GZ 250 Marauder

1 Answer

Cr125r 2001 cant start after changing piston and cylinder

hi mate you need to adjust the float if theres to much fuel going through you need to take the float out and adjust it to the manual specifications but remember slot the pin out and take the float out but watch the little valve which stops the fuel where the little valve is hanging from that is the part you need to adjust

Jul 20, 2009 | 2002 Honda CR 125 R

1 Answer

When start go to rev it just dies

Remove the throttle stop adjuster and the air screw adjuster and spray carb cleaner in the holes.
Be sure to put these two screws back in the same hole they came out of. IMPORTANT > do not tighten these two adjusters down. Only screw these in until they LIGHTLY seat. Now turn each adjuster one and one half turns outward. Turn the pilot screw 1/4 turn counter clockwise. Check the float level. Before putting the slide back in the throat of the carb, move the clip on the jet needle one notch lower.Put the rest of the carb back together, clean the air filter and install the carb. Let the float bowl fill then start the engine. Adjust the idle speed with the Throttle stop screw. This process should get you back on the road. A “very helpful” rating for this answer? Thanks!


Jun 22, 2009 | 2003 Yamaha YZ 125

1 Answer

Engine cranks but won't catch,, then floods,, gears are sticky as well My bkie died on the way home from a long trip,, just stopped,, I got it started for about two minutes then it died again, and will not...

To begin with, do not try to start the engine with the transmission in gear. Shift the transmission to neutral. If the bike tries to move forward when you try to start the bike with the transmission in gear and the clutch lever pulled in, the clutch cable needs adjusting as the clutch is dragging and not completely disengaging.

If the engine is flooding, it sounds like you have trash in the carburator. Take your air filter off and try to start the engine. From a distance, look into the carburator and see how much fuel is going into the carburator. There should be a small spray of fuel if you turn the throttle grip. Otherwise there should be very little fuel going into the carb. If you see fuel pouring into the carb, you've got trash in your carburator. Unless you are very familiar with carburators, this is a job best left to a certified mechanic. You may have fouled your spark plugs as well. Either clean your plugs or buy a new set and install them. Sportsters are tough on spark plugs. Once they get fouled, they simply will not clear up on their own.

More than likely your clutch is fine, not burnt out. It simply needs to be adjusted, thats all.

The leak could be coming from most anywhere. Clean the bottom of the engine, take a short ride and then have a look. If you can't figure it out that way, put something under the kick stand to stand the bike as near to straight up as you can without danger of it falling over. Put a clean piece of newspaper under the bike and let it sit overnight. Look for the oil drip on the paper and then look straight up.

Jun 19, 2009 | 2001 Harley Davidson XL 1200 C Sportster...

Not finding what you are looking for?
2002 Honda CR 125 R Logo

Related Topics:

238 people viewed this question

Ask a Question

Usually answered in minutes!

Top Honda Experts

Arnie Burke
Arnie Burke

Level 3 Expert

4481 Answers


Level 3 Expert

61168 Answers

Gino Cussen
Gino Cussen

Level 2 Expert

216 Answers

Are you a Honda Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides