It's Here...the 2010 YZ450F


1000 replies to this topic
  • HuskyRips

Posted September 08, 2009 - 08:05 AM

#1

Here it is the 2010 YZ450F: http://www.yamaha-mo...ion/yz450f.jsp#

Posted Image

Posted Image

Posted Image

Enjoy

  • Fr333zy

Posted September 08, 2009 - 08:05 AM

#2

Posted Image

  • MotoX178

Posted September 08, 2009 - 08:15 AM

#3

Looks awesome. I need a better paying job.

  • Kx_Ryan21

Posted September 08, 2009 - 08:21 AM

#4

Now I want to here the tests

  • Polar_Bus

Posted September 08, 2009 - 08:22 AM

#5

I firmly withdraw my previous comments about 2010 YZF's "BNG".

If those photos are truly production versions, that bike is totally new. That engine configuration is trick!

  • HuskyRips

Posted September 08, 2009 - 08:24 AM

#6

Real good detail photos in Motocross Action: http://www.motocross...ECFE2FBBC7CB0A6

Enjoy
HuskyRips:thumbsup:

  • grayracer513

Posted September 08, 2009 - 08:25 AM

#7

I see they already offer an EFI tuner for it. Very Cool.:busted:

So, it is a lot of the things it was rumored to be:
  • Inverted head
  • EFI
  • 4 Valves
  • Rear slanted cylinder
  • Air box up front
The shock looks cool, but it's not electronic (squashed that one)

The bore/stroke revision and the cylinder offset are very interesting.

The intake port is a thing of absolute beauty.

Anyone see any hard info regarding split oil supplies or wet vs. dry sump?

  • Wiz636

Posted September 08, 2009 - 08:26 AM

#8

97mm bore and 60.8mm stroke...interesting. So is the cylinder being offset from the crank.

  • 455

Posted September 08, 2009 - 08:26 AM

#9

Well, If this does'nt make a 450 feel light? Then I dont know what will?

  • rdefonce

Posted September 08, 2009 - 08:26 AM

#10

Yamaha will sell thousands of them even if they don't work better than the older ones (although they probably will work better!) simply due to the "trickness" factor.
My next diesel will be fuel injected for sure . . . no more jetting.:-)

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  • HRC

Posted September 08, 2009 - 08:27 AM

#11

Looks big and clumpsy ! The 2009 even look slimmer ! :busted:

  • grayracer513

Posted September 08, 2009 - 08:29 AM

#12

Looks big and clumpsy ! The 2009 even look slimmer ! :busted:

Classic "sour grapes" right there. :thumbsup:

  • Luv2crash

Posted September 08, 2009 - 08:31 AM

#13

A very nice FI system that monitors its self. Thats what iwas hoping for. Unlike the half ass open loop KX, RM, CR 450's

  • Fullbore4

Posted September 08, 2009 - 08:33 AM

#14

Looks awesome in all respects but I'm wondering if the heat off that exhaust header will be a problem.

  • krony506

Posted September 08, 2009 - 08:34 AM

#15

A very nice FI system that monitors its self. Thats what iwas hoping for. Unlike the half ass open loop KX, RM, CR 450's


Where did you see that?

  • Crazyzilla

Posted September 08, 2009 - 08:38 AM

#16

where are the test ridEs???!!!

  • Wiz636

Posted September 08, 2009 - 08:39 AM

#17

What do they mean by "pent-proof" when talking about the valves and head?

  • Luv2crash

Posted September 08, 2009 - 08:40 AM

#18

Where did you see that?


On the Yamaha page under "innovation" it tells a little about the battery less FI system

  • grayracer513

Posted September 08, 2009 - 08:41 AM

#19

What do they mean by "pent-proof" when talking about the valves and head?

What that term means is that the combustion chamber shape is like that of a simple single-ridge roof on a rectangular building.

  • devo1

Posted September 08, 2009 - 08:42 AM

#20

It looks like you'll have to take the tank and seat off to clean the air filter,:busted:





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