Question about Honda CRF 100 F Motorcycles

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Hi guys my sons crf50 has fuel runnig out of the overflow it appers the float is stuck open any suggetions cheers chris

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Hi, if you don't want to take the carb open and clean it, you can try tapping on the float bowl with a small hammer to reseat the valve. If it happens often, it is best to rebuild the carb.

Posted on Mar 25, 2011


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Float Sticking

Hi, Alex you need to clean your carburetor and run some fuel stabilizer in the gas tank for more information about your question and valuable free downloads that you will need please visit the websites below. Good luck and have a nice day.
Motorcycle Repair How to Clean Motorcycle Carburetor Seafoam Motorcycle Carburetors The Right Way Motorcycle Carburetor Cleaning
How to Properly Clean Carburetor on Motorcycle or ATV

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I would like the float hieght setting for the carburettor, many thanks, chris willie

Hi Chris, usually you flip the carby so the float is upside down and the needle is on the seat, then you make sure it is level with the base of the carby, if you are adjusting it because fuel is overflowing when bike is not running than check your needle and seat and give carby a good blow out, floats these days are usually pretty good and do not need adjusting unless they have a pin hole (very rare) than you replace it!! It you need to adjust it than very carefully you bend the tab where the needle sits with a good pair of long nose pliers.

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What is the float height on a yamaha pw80

The float bowl level is set in between running it dry at full loaded throttle and fuel overflowing from overflow hose. The floats have a small brass tab that bears on the needle, when it rises, it pushes needle into seat and restricts fuel. Set this tab level with rest of tab plate surrounds for the middle fuel level position. Bending tab down will let more fuel in, up for less.
Better to put up with a little fuel overflow when you lay it down than starving motor of fuel when you need power the most. Damage can result running too lean.

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How to adjust the idle nob on a 2002 crf 450r. the problem is it is letting in too much fuel causing it to pour out of the overflow. and i need to know the factory setting for the idle adjuster nob

The reason your carburetor overflows is not from an incorrect adjustment, but because the float valve is hung open by dirt or some other foreign debris. Turn the petcock off, then locate the drain screw on the bottom of the bowl and drain the fuel out. Then turn the petcock on again - and check for overflowing. If the overflow continues, the you will need to remove the float bowl, the float and float valve - clean each and reinstall to fix the problem.

Apr 11, 2010 | 2005 Honda CRF 450 R

1 Answer

My 650 yamaha classic has sat up all winter and I didn't drain the fuel like I usually do. when I tried to crank it fuel came cascades down the what looks like an overflow hose. the book says the fuel...

hi,this might help,with the fuel turned on ,take a screwdriver,and with the handle end of the screwdriver give the carb bowls a couple of good taps,the fuel should stop flowing,it sounds like the needle valve has indeed stuck open,if the above method doesnt work,then you will have to pull the carbs out and give them a good clean,if it was me and my bike i would be pulling the carbs out and cleaning them anyway because if the float valves are gummed up then there is every chance that the carb jets are going to be gummed up as well and you will probably have a bike that runs like a bag of bolts even though the fuel overflow has stopped..hope this helps...cheers

Mar 27, 2010 | 2006 Yamaha V Star Custom

1 Answer

Gas began running out of the tube that exits the top of the carburator on the Yamaha TTR-50. So much gas that I had to use a gas can to put the excess gas into. It appeared to be leaking from the...

hi,sounds like the float in the carb is stuck in the fully open position,you will have to take the carb out,take the bowl off the bottom of the carb and inspect the float needle assembly,the little clip that holds the float to the needle valve may have come off,allowing fuel to run unchecked into the carb and ultimately out through the overflow..hope this helps..cheers

Mar 09, 2010 | 2003 Yamaha TT-R 125

2 Answers

When i turn the fuel on to start the bike gas pours out the clear tube that comes from the carb to under the bike some were is this line dis conected or broke or is it something more

it's probably just your overflow from the float. it doesn't connect to anything, it just let the fuel overflow come out when your float level is high. if you turn on the fuel petcock and it starts pouring out, your float needle is sticking. clean the carb and the float needle valve assembly and see what happens.

Dec 30, 2009 | 2003 Yamaha TT-R 125

1 Answer

Engine starts

If its got floats in carbs, a needle and seat could be stuck open, or if somebody's been monkeying with it the float adjustment could be set too high allowing too much fuel in the float bowl and then it goes out the overflow tube.

Jan 20, 2009 | 2003 Honda VT 750 CD Shadow A.C.E. Deluxe

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Miele g665


where is the water coming out at? Are you using the proper detergent? if the machine is too full of water and a fill float valve is stuck open, water sometimes overflows.

Check to make sure the fill valve is working, then check to make sure pump is operating. (you will know when you turn the machine onto the rinse cycle.)

Mar 17, 2008 | Miele 24 in. G665 Built-in Dishwasher

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