KTM 450 SX-F Factory Edition Dirt First Ride — Motorcyclist Magazine

3 Мар 2015 | Author: | Комментарии к записи KTM 450 SX-F Factory Edition Dirt First Ride — Motorcyclist Magazine отключены
KTM 450 SX

Do It Like Dungey!

They “The next-generation 450cc

We say: “With a supercross

KTM happily embraced technology EFI for the Factory Edition, but eschewed like a second cam when didn’t demand it.

KTM happily technology like EFI for the Factory but eschewed complexity

Traditionally, the successful off-road racing have resulted from a modifying a cutting-edge motocross It’s more than a ironic, then, that most successful foray AMA Supercross was reverse-engineered from a dual-sport bike! KTM pulled out all the to develop a mount for new recruit Dungey, but building a bike for the champ was only half the

The AMA’s production rule KTM needed one for Dungey and 399 more to be for racing!

The bike to entice to rejoin his mentor, KTM Race Manager Roger DeCoster, to be a 450, but the current 450 was carbureted, not Rather than embrace like the 350 SX-F’s finger KTM chose simplicity.

Switching from sand-cast to engine cases saved 4 and rescued KTM from the ignominy of a new fuel-injected machine that more than the old carbureted At less than 250 lbs. the FE is perhaps the second-lightest bike in its the lightest with electric-start.

KTM 450 SX

with the 450 EXC made sense, that bike’s engine was with reduced rotating in mind. Eliminating one cam saved 1.8 and all other parts were and lightened, removed or integrated. The and … are unchanged, and the lightweight 12.6:1 piston is a “box-in-box”

The EXC’s rocker arms use rollers, but the FE uses a V-shaped for the intake that employs a slide instead of a roller. All valves are titanium with springs and retainers. The camshaft is lighter with new timing, and the chamber shape and head are different.

The result is a single-cam engine gets more power to the and accelerates harder than the it replaces. Despite being at nearly 60 bhp, it feels docile and controllable at small openings, and doesn’t have a hit in the midrange so much as it leaps keeping the front end light.

The is a pleasant walk between stable and supercross-quick. Suspension is plush enough, and bottoming is far better than past Changes to the frame like a in the steering head and a 2mm-larger rear axle allow the suspension settings without harshness or loss of traction

KTM brought in a team manager and a that can push the package to new and learned from their No doubt the FE is the finest KTM motocrosser

KTM 450 SX
KTM 450 SX
KTM 450 SX
KTM 450 SX
KTM 450 SX

Interesting articles

Tagged as:

Other articles of the category "KTM":

Our partners
Follow us
Contact us
Our contacts


Born in the USSR


About this site

For all questions about advertising, please contact listed on the site.

Motorcycles catalog with specifications, pictures, ratings, reviews and discusssions about Motorcycles.