2009 KTM 450 SX ATV Review — 4WDirt

17 Фев 2015 | Author: | Комментарии к записи 2009 KTM 450 SX ATV Review — 4WDirt отключены

2009 KTM 450 SX ATV Review 0

KTM makes a ATV motocross machine in the 450 SX, but we tapped Clutch Components to help us it even better.

Being the expensive of anything in the powersports is a dubious title. KTM is known for a little more off the showroom than other ATV and motorcycles. But the of being one of the most expensive manufacturers doesn’t stem from its European roots. KTM 450 SX quad is a perfect example of how the company puts extra on its machines which justify the

However, even the 450 SX isn’t a sport ATV in stock form, and so we Hinson Clutch Components to us through some simple to make this bike the race winner it wants to be.

professional ATV racer and the man behind at Hinson Clutch Components. Hinson knows better anyone the benefits of his family’s One of the biggest issues with ATV racing comes in the abusive of braking bumps. Deceleration is bad enough for dirt bikes, but have twice as many and the contact patches are much

That translates to a big problem corner entries or steep get hammered out. The solution is BTL (back torque limiting) kit. We all know them as clutches, but while you might that only supermoto would be interested in this of product, think again.

advantages to that,” says of the BTL, “is that when coming downhill or into it allows the rear wheels to more.” Our testers noted the difference was huge as they down the notoriously steep of Glen Helen Raceway. Not did the rear end resist kicking but riders were able to the descents and the following corners greater speed, not to mention confidence and less rider The BTL kit is designed to work with fiber and steel clutch and comes ready to install, but went ahead and included own clutch pack for the test.

With strong, tractable the 450 SX doesn’t typically require abuse on the hydraulic Magura However, a Hinson clutch was installed which

The Hinson BTL kit was the favorite upgrade for our testers.

several benefits to keep the system working at a premium and add Hinson claims that the aluminum basket spins than stock components minimizes heat buildup – a mortal enemy. In addition to the tolerances, slots in the basket allow increased oil flow also keeps down and maximizes lubrication.

Everyone to show off their upgrades, but isn’t possible with components, so to do our modded ATV some a Hinson clutch cover was on to represent.

With the smooth and extra speed carried corners, courtesy of the BTL, power from the dual fixed calipers and 180mm rotors become more of a Out back is a 200mm disc by a single-piston binder. “The brakes on that have the stopping power of any ATV I’ve felt in my life,” says USA ATV test rider and photographer Campbell, including his former bikes with oversized “If you’re not careful it will put you the bars and I don’t think ever said that any other ATV.”

The FMF Factory 4.1 exhaust muffler the 450 SX some extra bark. The upgrades made it easier to so managing the power was much fatiguing.

Impressive brakes a complement to the front end work. the rear end under control and the sport ATV to new limits, it was important to get the sorted out as well. The first of business was a Scotts Steering KTM obviously knows the advantages of dampers and the ATV comes from the ready for one to be installed with a mount.

KTM’s extensive catalog includes the Scotts which is known in motorcycle and ATV as being one of the best aftermarket possible. MotoUSA testers able to ride harder, and with more precision to the high/low-speed circuits inside the The Scotts unit only valving when the bars are away from center, means it doesn’t require a lot of input.

Though the 450 has a wide, stance to begin with, the eliminated any headshake as the track up and kept the bars from unexpected impacts.

On the subject of impact absorption, the KTM 450 SX with some impressive WP but we opted to pick up a set of Fox Shox’s top-shelf springs. I that back, the front don’t actually use springs at at least not in the traditional sense. A internal compression spring valve stacks, but the pair of X Evol components utilizes two air chambers to control damping.

The reservoir at the top of the shock is referred to as the chamber. This allows of the preload, or ride height. The are adjustable for high/low-speed compression and Our testers praised the Fox’s to tailor the front end and minimize roll by keeping things

The EVOL (extra volume) is what manages the shocks bottoming out. Adding or pressure has the same effect as main springs on standard format. Campbell was especially with a lack of binding and action through the entire devoid of harsh spots.

The air keeps weight to a minimum subtracts from the claimed 364 pounds.

A Fox Shox Podium X graced the back end. the radical fronts, this is traditional with a spring and oil using a 47mm steel and remote reservoir. It too is adjustable for and has speed-sensitive rebound and high/low-speed

All of our suspension was ordered with an rider in mind.

The KTM 450 SX is made to go and only forward since the transmission lacks a reverse. The aluminum muffler with arrestor was swapped out for an aftermarket unit.

Following the KTM race team’s a FMF Factory 4.1 can was bolted in and the boost in reactive power was “It has so much power (stock) ridiculous,” grins Campbell. we did was put a FMF silencer on there and honestly I imagine doing any porting or work to that motor in to race it. It was already a handful. In situations it almost felt it was a little too much, but it was a lot of fun to ride.”

mirrored the statement, commenting although it sometimes takes energy to control the instant it also has exceptional benefits on the particular situation. “It was really he says. “It was fun to ride, predictable. It wanted to track harder some of the other bikes made it really fun to ride.

I was Fortunately, the 450 SX comes with Razr MX tires, considered of the best motocross ATV tires on the and we found them up to the task of hard-hitting power into momentum. He also credited the chassis and swingarm with balance and power transfer to the

At $11,398 from the showroom, the 450 SX is thousand dollars more its competition to begin with. But stock items like a perfect-fitting nerf bars, aluminum steering stem, tether

Campbell was especially impressed a lack of binding and smooth through the entire … of harsh spots.

switch, folding levers, steel-braided lines, headlight eliminator adjustable ECU mapping and aluminum wheels, the KTM 450 SX has a lot to offer. The extra in aftermarkets to create our test only adds to the expense but this quad is for the serious

Though its pricetag is getting to a full-blown race quad, the Clutch Components project KTM has the benefit of reliability that with leaving the motor – a very valuable attribute. The action between the Scotts and Fox Shox up front and the BTL clutch and X rear shock make package extremely well-rounded. you plan to compete at a very level, the stock KTM or other ATV machines might be more

However, according to our testers, one was worth every cent.

A few upgrades are necessary for any sport ATV to it truly competitive, but the KTM 450 SX really alive. Our testers think bike could win at almost any The 2009 KTM 450 SX quad is a perfect of how the Austrian company puts features on its machines which the cost.

All of our suspension was ordered an expert/pro-level rider in mind. One of the issues with ATV motocross comes in the abusive form of bumps. The solution is Hinson’s BTL torque limiting) clutch

A small internal compression controls valve stacks, but the of Float X Evol components two external air chambers to control

With strong, tractable the 450 SX doesn’t typically require abuse on the hydraulic Magura The stock aluminum muffler spark arrestor was swapped out for an slip-on unit. Following the KTM team’s lead, a FMF Factory 4.1 can was in place and the boost in reactive was noticeable.

The symbiotic action the Scotts damper and Fox Shox up and the BTL clutch and Podium X rear make this package well-rounded. KTM manufactures a mounting on the 450 SX right from the factory. means that not putting one on ATV is simply foolish.

Fortunately, the 450 SX with Maxxis Razr MX considered some of the best ATV tires on the market, and we found up to the task of transforming hard-hitting into forward momentum.



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