Question about Yamaha WR 450 F Motorcycles

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2010 wr 450f is 500ks old and having a real hard time trying to start it. battery goes flat andwont start with the kicker.

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Check your coil and magneto or stator. Make sure it is providing spark. A bike needs spark and fuel to run.

Posted on Sep 10, 2010


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Stripping my carberator on my wr 450f to clean, were could i get a pdf file mannual to help me plz!!

Please get it download in pdf and free at:
After you get online , choose file wr 450f, then download your manual Total file is almost 18 MB.
Regards, vote please, Jay

Jan 20, 2011 | 2004 Yamaha YZ 450 F

1 Answer

New exhaust on my wr 450f and its gargling and back firing

You have probably restricted the exhaust too much. Causing it to run rich. you will have to adjust your air mixture screw and lean it out. But first, check the color of your spark plug. Lean it out if it's dark, richen it if it's white. Your looking for a nice carrot color. The plug never lies. :)

Sep 19, 2009 | 2005 Yamaha WR 450 F

3 Answers

G'day my 08 wr 450f is blowing oil through the breather hose into the air box. what is causing this???

Im havin the same prod with my bike 08 wr450f
Looks like im gonna have to put it in the shop.

Aug 31, 2009 | 2005 Yamaha WR 450 F

1 Answer

What oil do u put in the frame of a wr 450f 2005

10w40 should be good, if you're riding in really hot weather, 20w50...

Good Luck and Let me know,


Aug 27, 2009 | 2005 Yamaha WR 450 F

1 Answer

I have a WR 450F...It won't stay running with the chock pushed in

Hmm, sounds like a vacuum leak. Check all your hoses coming off the intake and carbs

Jun 12, 2009 | 2005 Yamaha WR 450 F

1 Answer

Not receiving alerts anymore...

My wr-100 came with a special note inserted with the instructions that the WR-100 was programmed to not give off an audible alert on tests. This is to supposedly protect you from thinking you have a real emergency. Mine is new. Maybe the older ones had an audible test alert. I assume yours gave an alert at one time??

Feb 06, 2007 | Midland WR-100 Weather/RDS Radio

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