Question about 2005 Yamaha WR 450 F 2-trac

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VALVE CLEARANCE I PLAN TO BY A WR 450F AND NEED TO LEARN HOW TO perform all the maintenance on it myself. Where do I go to get step-by-step instructions on all that?s needed to be done? How to videos would be great too . Keen to learn thank anyone

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Download a free PDF service manual for your bike at the site below. It is number 48 from the bottom of the list. I don't know of any How to videos.

Please rate this answer. Thanks!

Posted on Apr 18, 2009


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Posted on Jan 02, 2017


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What is the valve clearance on 2007 WR 450 F Yamaha

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Hi, Anonymous for this scenario you will need your service/owners manual if you can't find the first and best tool you ever bought for your Yamaha, despair not, for a mere zero $0 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
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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:
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Jan 20, 2011 | 2004 Yamaha YZ 450 F

1 Answer

What type of things to do frequently, to keep my 450 tuned First time owning a dirtbike, its a 03 yz 450f, just need to know the basics to keep my bike in good shape,

The most frequent things to do are to change the engine oil and keep the air filter clean. Adjust the chain and check the spokes for tightness every ride and keep the bike clean.

Every once in a while you will need to check valve clearance and put a fresh spark plug in it.

Other maintenance is required - like changing suspension fluids, changing wheel bearings and seals and you need to keep your suspension linkage and steering stem greased and keep the seals refreshed.

Visit and sign up (free). Lots of very helpful folks there that can help with any specific questions you might have.

Mar 10, 2010 | 2003 Yamaha YZ 450 F

1 Answer

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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

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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

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

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Valve slash and clearance adjustments should only be performed by certified mechanics and is not a job for the garage or novice hands on type.
If you still decide to proceed, I suggest you get your hands on a maintenance manual which will list the procedure step by step, including proper torque values.

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