Questions & Answers for: Yamaha YZ 450 F how do i adjust the mixture

adjust the carb. i am not sure what screws do what and where the are even located on the carb. the bike has less than 15 hours and is all stock. it pops on deceleration and falls flat on its face when

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Question about 2004 YZ 450 F

1 Answer

...the idle screw? I assume the one you adjusted is the air mixture screw at 1.5, you shouldnt adjust with the cable as it might cause the engine to rev on full lock, it needs a small amount of ...

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Question about 2004 YZ 450 F

1 Answer

...ADJUST THE JETS IT REVS UP AND IN ORDER TO SHUT IT OFF I HAVE TO CHOKE IT WHY IS IT DOING THAT ? Are you turning the idle screw or the smaller inset mixture screws?. Check to make sure its not the ...

Question about 2004 YZ 450 F

0 Answer

...and the usual suspects are: 1. Idle circuit and transfer ports clogged. 2. Air fuel mixture adjustment too lean. 3. Pilot jet clogged. 4. Faulty accelerator pump. 5. Float level too low. 6. ...

...adjust the idle? 2005 yamaha YZ450F Hi, Bryce and the usual suspects are: 1. Idle circuit and transfer ports clogged. 2. Air fuel mixture adjustment too lean. 3. Pilot jet clogged. 4. Faulty ...

...good. What else could cause this problem? Carburation! If the air/ fuel mixture is not carefully adjusted by the choke system after warmup it will do just what you describe...check it

Question about 2004 YZ 450 F

0 Answer

adjust air fuel mixture Hi, Anonymous the carburetor throttle shaft wheel has two cables the cable closest to the right side of the bike is the throttle cable and the one closest to the left side is ...

Question about 2005 yZ 450 F

0 Answer

...chugging starts but chugs bad Hi, Anonymous and the usual suspects are: 1. Idle speed improperly adjusted. 2. Air fuel mixture screws not properly adjusted. 3. Inlet system air leak. 4. Leaking ...

Question about 2003 YZ 450 F

0 Answer

adjust the air fuel mixture bolt 1/4 turn at a time and let the engine settle for about 10 seconds, clockwise for a leaner mixture and counterclockwise for a richer mixture you are seeking the highest

Question about 2004 YZ 450 F

0 Answer

...need please click on the links below. Good luck and have a nice day. How To 4 Stroke MX Fuel Screw Adjustment YZF CRF KXF RMZ FCR Part 1 of 2 Yamaha Yz450f Service Repair Manual 2004 2005 Download ...

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