Question about Yamaha 2004 Kodiak 400 Auto 4x4
Your carb needs cleaned/adjusted. your float could be set wrong. could be an air leak somewhere.
Posted on Mar 05, 2017
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Posted on Jan 02, 2017
choke gives it less air more gas. but sounds like when you turn the handlebars you are pulling on the throttle cable somehow. check that it's all run right, if not tru tugging on the wiring harness that runs between the forks there may be some kind of short there,
Posted on Mar 21, 2009
Most modern Yamaha bikes have a throttle "Push-Pull" system. You may need to make sure that the "push" cable is actually set up correctly. Your manual will tell you the exact slack required on both cables. Without both cables operating your carb will not be able to close.
Posted on Sep 14, 2013
Check your base gasket on the carb.
Posted on Nov 09, 2014
Testimonial: "The base on the carb is tight, not sure if it's getting to much gas or not enough going from half to full throttle when it starts blue smokin and cutting out and surging"
Lindsey... your problem is the classic issue with plugged jets. Specifically the low speed speed (pilot) jets are clogged. With the carb removed and the float bowl removed, and the float also removed, you'll see generally two sets of jets. Usually the one in the center is the main jet and has a larger hole and that jet doesn't usually clog but to be sure remove it and inspect the opening. If you can't see light then it's clogged. The more suspect issue is the pilot (low speed jet), usually off to the side. This jet, once removed has a longer body and this is the jet that is clogged. Perform the same "look thru" and you'll see no light or very little. When this jet clogs it displays the symptoms you mention. As you give the bike throttle, transition from idle thru low speed and then to main jet occurs, based on rpm and throttle demand. The pilot jet doesn't allow transition and the bike falters from about 2000 to 5/6 k rpm.
So how to clean. I've tried acetylene torch tip cleaners but most are too big. If you have an air compressor, try blowing high pressure air thru the jet and it may clear. The ultimate fall back is a chemical clean. Place the jet in a ultrasonic tank or purchase Berryman's carb cleaner in a small tank (1 gallon) (Auto Zone or internet)http://www.amazon.com/Berryman-0996-Chem-Dip-Carburetor-Cleaner/dp/B00DSMEL2A/ref=sr_1_1?s=automotive&ie=UTF8&qid=1419804749&sr=1-1&keywords=berrymans+carb+cleaner
and soak the jets in it. Here's another potential problem... the pilot hole in the body of the carb may also be plugged so while at it disassemble the soft parts from the carb and treat the carb body (no soft parts) also in the carb cleaner. Usually about 1 - 2 hrs soak removes the clog. Best to clean all holes in the carb body with high-pressure air. Since you have a four cylinder then you must perform the same exercise 4x. This will solve your problem...
Good Luck... Dio
Posted on Dec 28, 2014
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