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Dxr 125 pit bike got fuel got spark.when I try to start it its not firing.wen I take spark plug out its bone dry .like no fuel is gettin threw the carboretta. and fluds very quick aswell

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Make sure gas shutoff is on.

Posted on May 15, 2015

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Anonymous

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SOURCE: no fuel gettin to the spark plug

There should not be fuel on the spark plug anyway, if the plugs are firing the fuel would burn off them.

Regardless, if you suspect the fuel line is blocked simply remove the fuel line either from the petcock or carburator and blow in it to see if there is any blockage.

1) is there fuel in the tank?
2) is the fuel filter plugged?
3)is the petcock in the ON or RES position?

There should be a screen on top of the petcock that could get plugged up with debris from inside your gas tank. Drain the fuel from the tank and remove the petcock to clean the screen.

Hope this helps, pls vote for me.

Posted on Jun 07, 2009

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1 Answer

125 Pitbike keeps fouling spark plugs


Hi, Damon and the usual suspects are:
1. Dirty air filter.
2. Fuel mixture too rich or the choke has been left on too long.
3. Faulty spark plug.
4. Incorrect spark plug heat range for the engine type or service.
5. Piston rings badly worn or broken.
6. Valve guides are badly worn and/or seals worn, crushed or have come off the valve guide and are pumping oil through it.
7. Spark plug cable weak or leaking check for spark leakage in the dark.
8. Faulty ignition coil.
9. Low RPM nonaggressive riding style.
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.
Why Does My Dirt Bike Keep Fouling Spark Plugs
Spark Plugs Keep Fouling
http://mypitbike.ru/downloads/ThumpstarServiceManual.pdf
https://www.orionpowersports.com/pit-bike-dirt-bike-parts
http://www.ssrmotorsports.com/store/ownersmanual/pitbike/Pit%20Bike%20Owner's%20Manual.pdf

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

Sep 13, 2014 | Pit Bike 125cc 4 Stroke Dirt Bike

2 Answers

I have a 125 pit bike and it ticks over fine but when you rev it it backfires does any body no how to fix it.


You can check ur values but some bike do make a we ticking from the values and it will back fire when revved up because of the extra fuel once revved that hasn't brine burn as it revs back down to idle speed.

Jul 19, 2012 | Pit Bike 125cc 4 Stroke Dirt Bike

2 Answers

I have a cr 125 2003 model , my bike was running and starting fine but today it cut out t, the spark plug is firing there is fuel coming threw but it is not firing up ,there apperes to be flooded as the...


HI, IF IT IS FLOODED, TURN OF THE FUEL AND OPEN THE THROTTLE FULLY AND KEEP AT THIS POSITION WITHOUT THE CHOKE,KICK REPEATINGLY AND IT MAY FIRE EVENTUALY,

RREMEMBER THAT THE CHOKE INITIALY FLOODS THE ENGINE FOR COLD STARTING, SO USING THE CHOKE WHEN ALLREADY FLOODED WILL WORSEN THINGS,

YOU COULD PROBABLY REMOVE THE EXHAUST TO DISPENSE THE FUEL QUICKER AND PUT IN A CLEAN PLUG, I WOULD DO THIS BEFORE I STRIP DOWN THE CARB TO SEE IF THE PROBLEM CLEARS, AS THE BIKE WAS PREVIOUSLY RUNNING IT SEEMS ODD TO START MAKING ADDJUSTMENTS

Feb 27, 2011 | 2003 Honda CR 125 R

1 Answer

Suzuki bandit 400vc hard starting been to mechanic . do carb overhaul and carb synch but still hard starting. . already change the starter motor nothing happens . . everytime i push start button nothing...


You only have 2 ways to go......1. fuel .....2. spark, if your cranking your bike, first off try this. crank it with no choke . if nothing happens , take your choke pull it all the way out, now crank it.
if it fires, push choke half way in, continue to crank, it should start . If nothing happens a all .

You have to pull out spark plugs, look at them closely . Is it soaked with gas ? or is it dry as a bone ? if it is soaked with gas, clean it up and dry it off, now check your gap it should be alright
but just check it anyways if the gap is to much it will not fire inside the cyclinder, if it is closed
to much it will not fire . take your plug put it back in just the plug wire and rest it up against the
head or any metal surface, now crank your bike if it has a good blue spark your good with the
electrial check both plugs same way . Now if that is ok , then you have to move on to the fuel.
if you have new clean fuel, good , if it is old like lat years get rid of it . drain everything tank and
all of your fuel filters replace, make sure all of your lines are flowing and carb will clean them self.
give it a little bit after it starts running be gentle with let everything catch up. If it needs final

adjustment on carbs take it back to who ever rebuilt them . Good Luck

Nov 07, 2010 | 1993 Suzuki GSF 400 Bandit

2 Answers

My pit bike wont start my plug keeps gettin full of prtrol and oil and it wont tick over.


take the carb off clean it out then have a play around with the fuel air mixture,that should fix it.

Mar 16, 2010 | Pit SSR 110CC Pro Beginner Bike

1 Answer

Cr 125, bike will not start after running out of fuel, have checked spark plugs and cleaned carbi needle and seet have used 40 to 1 2 strock petrol. bike still wont fire


DEPENDS IF YOU HAVE SPARK OR NOT,IF NO SPARK IT COULD BE YOUR STATOR/ IGNITION, HAS TO HAVE SPARK TO FIRE THIS IS WHERE I WOULD START FIRST

Jan 03, 2010 | 2002 Honda CR 125 R

1 Answer

No fuel gettin to the spark plug


There should not be fuel on the spark plug anyway, if the plugs are firing the fuel would burn off them.

Regardless, if you suspect the fuel line is blocked simply remove the fuel line either from the petcock or carburator and blow in it to see if there is any blockage.

1) is there fuel in the tank?
2) is the fuel filter plugged?
3)is the petcock in the ON or RES position?

There should be a screen on top of the petcock that could get plugged up with debris from inside your gas tank. Drain the fuel from the tank and remove the petcock to clean the screen.

Hope this helps, pls vote for me.

Jun 07, 2009 | 2000 Honda NSR 125

2 Answers

I have a pit bike 125 its not starting wot so ever got good spark but still not start


If you have spark them it must be gas. eather no gas or to much gas. Put it on chock, be sure the shut off valve is in on position.Now crank it over a few times , if it wont fire. Check the plug , is it wet or dry .If its wet then it may be flooded and needs to dry out and air out the cylinder.Try starting when dry. If its dry try putting a 1/2 oz of gas into the spark plug hole. replace the plug and turn it over . This will get them to fire up. Good luck DFD

Apr 22, 2009 | RTO Pit Bikes

1 Answer

Wont fire up.


make sure the fuel/air mixture is right on the carby.. same thing happened to mine.
also try bleeding the carb using the dip pan on the bottom.

Apr 06, 2009 | RTO Pit Bikes

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