Question about 2004 Yamaha YZ 250 F

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Trouble with 2004 blaster 200 idle

I'm having trouble getting my 2004 blaster 200 to idle properly. I changed to plug and cleaned out the carb. it revs fine but when it slows to an idle it just dies off. help??

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Simple just turn the idle screw in 1/4 of a turn mate and its done trouble with 2004 blaster 200 idle - 74197ac.jpg

Posted on Sep 11, 2009

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Yamaha yfm 200 blaster need to know how remove the top of the carburator?


THEY MAKE A CARB TOP KIT THAT ELIMINATES THOSE CRAPPY OVERIDES,1 KIT COMES WITH A TWIST THROTTLE OR LEAVE THE THUMB THROTTLE EITHER WAY YOU GET A NEW CARB TOP,THROTTLE CABLE BUT THEN YOU NEED TO GET THE IDLE SCREW KIT FOR IT,WHITCH COMES WITH A IDLE SCREW AND A TAP AND DIRECTIONS.YOU NEED TO DRILL ,THEN TAP ON SIDE OF CARB ,CLEAN CARB OUT INSTALL YOU CARB SLIDE TILL TOUCHES BOTTOM THEN TURN SCREW IN TILL U JUST SEE THROTTLE BODY MOVE AND YOUR IDLE SHOULD BE CLOSE.MEANWHILE U MAY WANT TO PULL YOUR PLUG AND CHECK FOR SPARK BECAUSE WHEN YOU ELIMINATE THE OVERRIDE SYSTEM YOU MAY HAVE TO CACEL OUT THOSE WIRES IF SO THE MAIN HARNESS THAT HAS THOSE WIRES IN IT YOU JUST CRIMP ON 1 OF THOSE BLUE **** SPLICES AND IT DOES A NICE CLEAN JOB AND YOUR CARB IS EASIER TO SERVICE JETTING WISE IF YOU EVER DO ANY PERFORMANCE UPGRADES DOWN THE ROAD,THATS ALOT OF TYPING HOPE THIS HELPS AND FOR THE 100 TO 120 DOLLARS IN PARTS IT IS WELL WORTH IT,BRAND NAME IS MOTION PRO

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I have a blaster and if the parking brake is set it will do that

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I can not get my yamaha blaster to idle have


Make sure you have no vacuum leaks and the idle screw is turn up. Then adjust the a/f ratio screw to highest idle, turn down the idle screw and repeat until a/f screw makes no change. At that point you set your idle speed.

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2001 blaster losses power under a load.


check the compression and if thats good, remove the air filter and try to start. or possible air fuel jet needs adjusting.

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My yamaha blaster will start and idle once i press throttle in it dies and sounds weird like its missfiring or something


Your mid and or hi speed jets are plugged. Drain the fuel (tank and carb). Dissmantle the carb, remove the jets and clean them. (Or soak the in carb cleaner over night).

Fuel turns to varnish in just a few months.

good luck

Apr 30, 2009 | 2003 Yamaha YZ 125

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Yamaha yfs 200 blaster manual


You might find a free pdf service manual on this site, they have a ton of them.
http://www.carlsalter.com/motorcycle-manuals.asp

or try your local library. Often guys will donate manuals to the library.

Please rate this solution. Thanks wikusnagel!

Apr 06, 2009 | 2003 Yamaha YZ 250

1 Answer

Hard start, trouble idleing


Drain the carburetor. There should be a screw on the lower side of the carb float bowl. Remove the screw then replace it after the fuel drains. Turn the gas back on and wait a minute for the carb to fill with gas. Install new stock spark plugs. If the bike doesn't start and run properly then shut off the gas and remove the carburetor from the engine.

Remove the float bowl and clean the entire carb with a spray carb cleaner from the auto parts store. Wear protective goggles to avoid getting spray in your eyes. Spray into all the little airways and fittings in the carb. This process should get you back on the road.


Please rate this solution. Thanks!

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I have a 2004 yamaha blaster 200 i need a diagram or advice on the best way to take my carb. off, throttle cable from top of carb...


i can't seem to figure out why my 2004 blaster 200 won't idle properly. i cleaned the carb and replaced the spark plug. it revs fine but when it goes down to idle it just dies. any help?

Mar 01, 2009 | 2004 Yamaha YZ 125

1 Answer

Blaster wont start


Hi, If it starts on ether, then the plug is probably not too bad, spray your premix in instead and if fires OK then your carb is clogged, you can start with the float valve, open the drain screw on the float bowl and make sure it is filling, if it is, then its probably the jets or vanes are lacquered from sitting and they simply must be cleaned. Air pressure and a carb solvent works good when cleaning but other than that no magic. Good Luck, this should Fixya!

Feb 28, 2009 | 2003 Yamaha YZ 125

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Carbeurator?


remove gas line from carb and turn on gas if no gas tank and line need cleaning. if there is gas need to remove carb and clean jets. before you remove it seal off the back of carb with hand and have someone to kick it over a few times if its a small clogg this just might remove it GOOD LUCK

Feb 28, 2009 | 2004 Yamaha YZ 125

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