Why does my Yamaha 450yfz engine not start?

Why does my Yamaha 450yfz engine not start?

2004 Yamaha YZ 450 F will not start I put my battery charger on start mode 50 amps put it on my Yamaha 450 tried to start it made funny noise in engine them battery started smoking. put a new battery in and nothing happens .whats wrong? @ engine stops when giving it gas and then it’s hard to start is it a carburetor problem or something else?

How to adjust the carburetor on a Yamaha yz450fr?

Turn both the air screw and throttle screw inward until they LIGHTLY seat. Now back each one outward one and one half turns. This is the factory setting. I am going to give you a web site where you can download a free PDF factory service manual for a YZ450FR. I believe the model is a bit different but the carbs are the same.

How do you turn the throttle on a yz450fr?

Turn both the air screw and throttle screw inward until they LIGHTLY seat. Now back each one outward one and one half turns. This is the factory setting. I am going to give you a web site where you can download a free PDFfactory service manual for a YZ450FR. I believe the model is a bit different but the carbsare the same.

Why is my Yamaha yfz450r not charging?

Our 2009 Yamaha YFZ450R was not charging and couldn’t maintain battery voltage after a weekend out on the track, so we popped it open and performed some simple charging system diagnostic tests. Here’s how to diagnose and fix Yamaha ATV electrical problems.

Why is my Yamaha 450yfz having carburetor problems?

An expert who has answered 5 questions. More then likely if your having carburator problems its nothing to do with the adjustments. In the past few years i’ve found the most common problem is that people are using fuel with ETHANOL in it which will cause nothing but problems internally to the fuel system.

Turn both the air screw and throttle screw inward until they LIGHTLY seat. Now back each one outward one and one half turns. This is the factory setting. I am going to give you a web site where you can download a free PDFfactory service manual for a YZ450FR. I believe the model is a bit different but the carbsare the same.

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