2004 Yamaha YZ 450 F Logo

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Anonymous Posted on Feb 13, 2014
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How to clean carb 08 yfz 450 - 2004 Yamaha YZ 450 F

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Anonymous

  • 293 Answers
  • Posted on Nov 27, 2008

SOURCE: changing engile oil 2007 yfz 450

the service manual is on this link .
http://www.scribd.com/doc/2634179/yzf-r1-manual

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Anonymous

  • 1 Answer
  • Posted on Apr 10, 2009

SOURCE: Yamaha YFZ 450 engine serial number

im unsure but arent they on the sterering stem on a metal stamp or perhaps under the gear shifter I am unsure

mxtras

mxtras

  • 194 Answers
  • Posted on Nov 25, 2009

SOURCE: how do i remove and clean the carburetor on a 2005

The easiest way is to remove the seat and then remove the entire rear sub-frame - the airbox is attached to the subframe, so it will go with the subframe. Loosen the rear clamp on the intake boot. The sub-frame is only held on by three bolts so it's a piece of cake to remove.

Once the subframe is off, the carb will be wide open and easy to remove from there.

Anonymous

  • 1689 Answers
  • Posted on Dec 26, 2009

SOURCE: timing on 06 yamaha yfz 450

Here is the SERVICE MANUAL for your bike.

http://pdfdatabase.com/download_file_i.php?file=14074911&desc=Yamaha+YZ450F+Service+Manual+.pdf

Anonymous

  • 9 Answers
  • Posted on Mar 28, 2010

SOURCE: well my yfz 450 sat in my shed over the winter so

Your ignition coil has a ground coming right off of it, check to make sure it is still connected to frame.

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Related Questions:

1helpful
1answer

2004 YAMAHA YFZ 450 Quad POPS OVERHEATS BREAKS UP AT HIGH RPM.
Question edited for full 'year make model (what it is).
Question moved from motorcycles to make model category.
Please don't type in all CAPS, it is considered SHOUTING and is harder to read.

'clips' and 'turns' it took me a while to realise you were talking about the carburetor and you were playing with the mixture screw and needle position! 4 turns out is a lot different to the factory setting which is 1 1/2 turns out.

If it is overheating it is running too lean. As you changed the stator, also consider the ignition timing. Popping can also be caused by the ignition failing under load, coil, lead and spark plug.

Carburetor and tuning.

https://www.google.com/search?q=2004+yamaha+yfz+450+carburetor+adjustment

This carb has a LOT of jets!

https://www.amazon.ca/Carburetor-Rebuild-Yamaha-YFZ450-2004-2009/dp/B07JNYP667

....
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Jul 19, 2022 • Yamaha 2006 YFZ 450
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1answer

Yfz 450 starts and dies rt away. wont run. Rebuilt carb. Still having problems. Any Idea?
Float bowel for sure ... sounds like your not getting enough fuel.
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Jun 13, 2018 • Yamaha 2006 YFZ 450 SE
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I have an 08 yfz 450. I bought an fuel mixture screw for the carburetor. The hole where the screw goes is covered up from the factory. How do u go abt installing the fuel screw. Thanks
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Be the first to answer Feb 26, 2017 • 2008 Yamaha yZ450F
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I have a 2004 Yamaha YFZ 450 the bike will start and drive but as soon as it warms up when you push the throttle it starts to cut out... What is the problem?
There is not really enough info in your post to narrow down the problem. Hesitation during acceleration can either be fuel related or ignition timing related. Once up to speed, will it maintain that speed smoothly?

If you have a timing light, check the timing at idle. If it is OK, then it is probably fuel related.

Assuming you have not messed with the ignition timing, if it idles, but won't accelerate, it is probably starved for fuel. 1.Check/change the fuel filter- easy and cheap
2. pull the fuel line off the carb, and make sure fuel flows from the tank freely.
3. If there is good fuel flow to the carbs, pull the carbs and clean them.
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Sep 30, 2013 • Yamaha 06 Yfz450 Yfz 450 Carburetor Carb...
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2004 yfz 450 (ATV)
Remove and clean the carb
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May 20, 2013 • ATVs
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Every time I start my yfz 450 I hit the throttle it hesitates when it starts then pops I bit doesn't seem to have the power that it should. I replaced the air filter and the main jet and pilot jet however...
Can you adjust the main jet? Have you cleaned the varible jet or slide? What shape is the vacumn diaphram in? Have you checked the ignition timing,i presume it is solid state ignition?
How about the carb did you clean any with gummout?
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Sep 06, 2010 • 2004 Yamaha YZ 450 F
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1answer

I have a 2004 yfz 450 that i just rebuilt but it has always backfired when in neutral or when i clutch it my buddy tells me it is prolly jetted wrong what do u think i should do, i havent tried to switch...
Check sparkplug gap..
If the bike runs okay other than backfire try clean carb or take it off an get a pro to do this . It could be a very cheap fix..Worked for me..
Hope this works
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Aug 22, 2010 • 2004 Yamaha YZ 450 F
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1answer

Well my yfz 450 sat in my shed over the winter so i drain the tank and clean the carb. Then i went to start it and it wouldnt fire up. I took it apart and check it for spark from the coil and didnt have...
the ignition cant fail from sitting, perhaps the kill switch has corrroded, always put a spark plug in and ground it to the head when checking for spark , also check with a new spark plug
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May 15, 2010 • 2004 Yamaha YZ 450 F
0helpful
1answer

Well my yfz 450 sat in my shed over the winter so i drain the tank and clean the carb. Then i went to start it and it wouldnt fire up. I took it apart and check it for spark from the coil and didnt have...
Your ignition coil has a ground coming right off of it, check to make sure it is still connected to frame.




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Mar 28, 2010 • 2004 Yamaha YZ 450 F
3helpful
1answer

How do i remove and clean the carburetor on a 2005 Yamaha YFZ 450? i could not find my model .but it is a 2005 YFZ 450v
The easiest way is to remove the seat and then remove the entire rear sub-frame - the airbox is attached to the subframe, so it will go with the subframe. Loosen the rear clamp on the intake boot. The sub-frame is only held on by three bolts so it's a piece of cake to remove.

Once the subframe is off, the carb will be wide open and easy to remove from there.
Read full answer
Nov 25, 2009 • 2004 Yamaha YZ 450 F
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