Question about 2003 Suzuki GZ 125 Marauder

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Cleaning the Carb - Suzuki gz125

How do I remove and clean the carburettor of this bike?

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  • Anonymous Mar 16, 2014

    When I start the bike and switch the fuel tap on, the fuel starts flowing out of the overflow pipe as if the fuel pump is pumping the fuel out directly or the needle and seat are not closing off? Both carbs were removed and thuroughly cleaned out. The bike worked perfectly for 5 days and suddenly developed this problem on the 6th morning. What could the problem be?


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  • 15 Answers

Looking at that bike. Seat off, tank off ,side covers etc.Turn off fuel remove fuel line, loosen motor side and air filter side pipe clamps. then remove carby from bike Unscrew plunger on top disconnect throttle cable from plunger

Most *** Carby's are the same I use any bike book or Manuel to gather info on how to disassemble and assemble.

are sensitive things if you are not sure on how to inspect and clean properly take it to a pro.


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When I start my bike "Enfield bullet 1976 model" I dont notice any problem but while moving it, it misfires and and even brings me to a halt.when i start again it wont start immediately.

The more older a vehicle gets the more attention it requires. Go to a reputed me hanic and clean up the carburettor airfilter and spark plugs as these three are the main components which help in the start stop and running of fhe bike also misfiring occurs mostly due to unclean carburettor newly fitted airfilter or if engine is running rich.

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I have a Aprillia peguso that does not want to start at all,suffient petrol and spark,what can the problem be

I need a little more information:-
Has the engine been apart recently?
Has the ignition timing been altered?
Have you checked for compression?
Have you got the correct fuel in the tank? (If the bike has been standing for some time, drain the fuel and put fresh fuel in it).
Assuming you have good compression, check that the spark is occurring at the correct time before Top Dead Centre (TDC).
After trying to start it, take the spark plug out and see if it is wet with fuel, or dry. this will show if fuel is getting into the cylinder.
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If all these checks are fine, time to look at the carburettor. Water in the carburettor can be an issue, some carburettors have a fuel drain on the float chamber others you have to take the float bowl off. If you can, take the float bowl off, turn the fuel off first at the tank, and inspect the condition of the inside of the bowl. Clean out the bowl and blow through any air holes and jets. Check the float shuts off the fuel. Using minimum pressure lift the float up and turn the fuel back on. Fuel should flow past the float valve when you release the float slightly and shut off when the float is lifted again. If it does not shut off completely, you will need to remove the carburettor for a thorough cleaning. Hope this helps a little.

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After the engine has warmed up when I give it throttle the motor dies unless I let off. There is no air box on the bike at the moment.

Sounds like the main jet is blocked so would suggest removing carburettor and cleaning it out. if not get back to me.

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Hi ravindra_sih,

If Bike Pick up is very Low :-

Check the two spar plugs if both are fine and if not then replace them.

If Bike's pick up is very low :-

Replace the cluth plates and the pressure if the problems persists after changing the spark plugs.

If you witness low speed riding knocking sound :-
Clean the carburettor and the air filter and this is also a problem due to damaged clutch plates.

May 09, 2011 | 2005 Bajaj Pulsar 150

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When turn on petrol and kick bike, petrol is running out of overflow pipe on carb and bike wont start, and bike sounds flooded.

You have a sticking float in the carburator, due to old gas, or dirt. The float moves a needle that turns on and off the flow of fuel into the carb bowl.

Mar 23, 2011 | 2003 Suzuki RM 125

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2005 suzuki wont stay running, i had just bought it and it will start but putt around but cant reach high rpms. does the carburetor need to be cleaned?

Remove the carb from the bike.
Completely disassemble the carb
Soak all jets, needles, springs, screws and carb body in a carb solution overnight.
Do Not soak any o-rings or the float. Clean the float with a brush, and replace the o-rings if they are flat.
Rinse with water and then blow everything out with compressed air.
Make sure you can see through the jets and the small holes on the side of the jets.
Make sure you blow through every hole in the carb body.
Reassemble carb, mount on bike.
It will run like new again.

NOTE: When removing the air/fuel mixture screw, turn it in(clockwise) until it stops and STOP turning, Do Not try to tighten any further.
Count the number of turns it took to stop. Write it down so you dont forget overnight. Remove it for cleaning.
When you reassemble the carb, turn the air/fuel mixture screw in until it stops.
Now turn it out(counterclockwise) the number of turn you counted.
If your not sure turn it out 2 turns.

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I put diesel fuel in my bike. I have drained the fuel from the gas tank and put gasoline in but it will not start. It turns over but no start. I have not replaced the spark plugs. What should I do?

Its recommended you use a fuel cleaner and run it through the fuel pipes and clean out the carburettor otherwise it will still be sucking through some un-emptied diesel, Also take spark plug out and kick bike a few times or electric start for a bit so it spews out the diesel left on top of piston.

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