Question about 2004 Yamaha YZ 250 F
Open fuel tap and leave for 30secs
pull choke to on.
blip throttle once
kick over with no throttle (hold on front brake to make sure no throttle)
should start every time
Posted on Nov 17, 2011
One, That thing should fire up in a second, if not, you got to get it so it will. Try not touching the gas, just pull on the choke, and give it a try. If that doesn't do it, try something else next time. I had a KLR 250, kick only, and that thing would start first kick every time, no matter what. I loved that little bike. Hope this helps.
Posted on May 13, 2010
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Posted on Jan 02, 2017
SOURCE: My 2004 yamaha yz450f
Hi, fouled spark plugs will make starting a cold engine difficult and cause backfiring. Carbs not working properly will foul spark plugs. Install new spark plugs. Remove the spark plug and inspect it for evidence of fouling. I would clean the air filter 1st. Then I would put in a new plug....
Posted on Jan 01, 2011
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