2012 KTM 450 SX-F Factory Edition – Ryan Dungey Replica Announced
Days before the start of the 2012 AMA Supercross season and Ryan Dungey’s debut on the 450 SX-F, KTM has unveiled the production version of the motocrosser featuring a new engine and chassis.
The 2012 KTM 450 SX-F Factory Edition is equipped with a fuel-injected 449cc four-stroke engine paired with a five-speed transmission. The new engine has a 95mm bore and a 63.4mm stroke, compared to the previous version’s 97mm x 60.8mm engine.
KTM used new die cast engine cases and lighter parts, claiming 4.4 pounds in weight savings. The new box-in-box design piston has a 12.6:1 compression ratio with a new compression ring and oil scraper ring while the crankshaft and Pankl plain bearing connecting rods are also new. The newly-designed cam valve train uses light-weight rocker arms and four titanium valve.
The chassis is also new, featuring an orange powder coated frame and black anodized triple clamp. The one-piece cast swingarm is all new, as is the 25mm rear axle, 5mm larger than the previous version.
Other features include a new fuel tank design, black anodized Renthal fat handlebar, black Excel rims with machined hubs, orange anodized rear sprocket and Dungey’s #5 Red Bull KTM Factory SX graphics.
The 2012 KTM 450 SX-F Factory Edition will be available in showrooms in the spring with a $9,599 price tag. Meanwhile, Dungey and the actual factory race bike will be in action Jan. 7 at the 2012 AMA Supercross season opener in Anaheim, Calif.
[Source: KTM]
Dennis has been a part of the Motorcycle.com team since 2008, and through his tenure, has developed a firm grasp of industry trends, and a solid sense of what's to come. A bloodhound when it comes to tracking information on new motorcycles, if there's a new model on the horizon, you'll probably hear about it from him first.
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