2010 YZ450F - Wrist Twisters
 
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post #1 of 14 Old 09-09-2009, 07:29 PM Thread Starter
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2010 YZ450F

The most radical machine I have seen in a long, long time.





Now, better make sure you are ready for this:



2010 Yamaha YZ450F Home, information, info

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post #2 of 14 Old 09-09-2009, 07:31 PM
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it only has half an engine????

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post #3 of 14 Old 09-09-2009, 07:43 PM
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I see that. The tornado pipe is weird. So is the rear slanted sleeve and backwards breathing.

The intro vid has some real cool CG.

[youtube]9HxSw-FCv8U[/youtube]

Looks like Bubba Stewart might have an advantage if the experiments pay off.

Two wheelin for the feelin.
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post #4 of 14 Old 09-09-2009, 08:30 PM
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Quote:
Originally Posted by hornet919 View Post
it only has half an engine????


Seriously though Cannandale tried the backwards intake thing. I like it in theory, makes sense, can't wait to see if they can make it work long term.

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post #5 of 14 Old 09-09-2009, 08:40 PM
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Quote:
Originally Posted by Bryce919er View Post


Seriously though Cannandale tried the backwards intake thing. I like it in theory, makes sense, can't wait to see if they can make it work long term.
True, but the Cannondale project had next to no R&D budget and was being rushed to market by the ego of Joe Montgomery.

Steve butler, Doug Dubach and a few other guys I know have been involved with this project from the beggining and according to what they have told me, it's the real deal.

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post #6 of 14 Old 09-21-2009, 11:09 AM
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Fascinating. If it was an SM also, it would be even fore fascinatingly-nating.

ďIn my opinion, the M1 rifle is the greatest battle implement ever devised.Ē
General George S. Patton
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post #7 of 14 Old 09-21-2009, 11:38 AM
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Maaaaan, that pipe is going to get hot. It's ti, but that thing will be glowing red in no time, I'm sure. If I let my 07 WR450 idle for about a minute at night, it'd be red. And Yes it was jetted corectly.

My WR450 was a beast. Imagine what a YZ going to do....

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post #8 of 14 Old 09-21-2009, 11:57 AM
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I'm not a YAMAHA guy, but that's one sexy beast


I'd hit that

Abba Zaba, you my only friend.
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post #9 of 14 Old 09-21-2009, 12:00 PM
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Yeah, I want the cool air hitting my exhaust side. That's why engines are what they are, but maybe liquid cooling changes things.

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post #10 of 14 Old 09-21-2009, 12:29 PM
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the way it loops under the seat it looks like a built-in butt warmer.

Press Any Key To Continue.
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post #11 of 14 Old 09-21-2009, 02:06 PM
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Quote:
Originally Posted by Sniper View Post
Maaaaan, that pipe is going to get hot. It's ti, but that thing will be glowing red in no time, I'm sure. If I let my 07 WR450 idle for about a minute at night, it'd be red. And Yes it was jetted corectly.

My WR450 was a beast. Imagine what a YZ going to do....
Actually Sniper, the pipe is stainless steel but I'm sure someone will make a Ti system for it. The bike tips the scales at 245 lbs. That's kinda fat, but at least it's centralized fat!

Glowing head pipes are completely normal on 4-stroke off-roaders. Even my little CRF150F's head pipe glows...kinda scary when you see it all cherry red!

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post #12 of 14 Old 09-21-2009, 02:10 PM
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Man that makes me want a Dirtbike. I still think I'd rather have a 2-stroke though.

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post #13 of 14 Old 09-21-2009, 02:12 PM
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Quote:
Originally Posted by Super Sneaky Steve View Post
Yeah, I want the cool air hitting my exhaust side. That's why engines are what they are, but maybe liquid cooling changes things.
The hotter the pipe, the better it will scavage burnt exhaust gasses = Horsepower!

Quote:
Originally Posted by cmurphy84 View Post
the way it loops under the seat it looks like a built-in butt warmer.
I've seen it Chris, it's well insulated with that "ceramic stuff". (technical term)

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post #14 of 14 Old 09-21-2009, 03:04 PM
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Sounds like a lot of Yamaha marketing hype. I'd wait to see how it does in the real world. FWIW, the YZ400f was radical and revolutionary. Not sure about this one.

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