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Home / Bikes /MX / 250 SX-F TROY LEE DESIGNS 2021

250 SX-F TROY LEE DESIGNS 2021

ktm-250-sx-f-troy-lee-designs-2021

KTM 250 SX-F TROY LEE DESIGNS for Sale at Virginia KTM in Virginia, QLD | Specifications and Review Information

There are fewer more spectacular stages for dirt bike racing than the glamour and allure of AMA Supercross and with the KTM 250 SX-F TROY LEE DESIGNS KTM have a special motorcycle utterly fit for purpose. Not only is the decorated KTM 250 SX-F tuned and modified for competition with a high performance DOHC engine and lightweight chassis design, but the raft of additional features really make the KTM 250 SX-F TROY LEE DESIGNS stand out. For 2021 count on the new Connectivity Unit and the myKTM App for simple engine and suspension set-up through a mobile device. There are also factory components such as the Akrapovic silencer, triple clamps, wheels, front fork start device, semi-floating front disc and Hinson clutch cover, among others. The TLD team graphics and orange frame make the motorcycle one of the sharpest lookers in the whole motocross catalogue.

MODEL HIGHLIGHTS

  • Orange frame & special TLD team graphics
  • Akrapovic Slip-on silencer
  • Connectivity Unit fitted as standard
  • Ability to connect with the innovative myKTM app
  • Factory triple clamps anodized in orange
  • KTM Factory wheels
  • Factory holeshot device in the fork guards
  • Composite skid plate
  • Special TLD grippy seat
  • Semi-floating front disc
  • Front brake disc guard
  • Black rear sprocket
  • Hinson clutch cover

 

Engine

Engine

Unrivalled power

Renowned as the strongest engine in MX2 competition, the 2021 version maintains its dominance. Its compact structure contributes to excellent mass centralization, which supports the easy ride-ability of the bike. The addition of the Akrapovič silencer makes the KTM 250 SX-F TROY LEE DESIGNS a real force to be reckoned with.

Transmission

Transmission


The KTM 250 SX-F TROY LEE DESIGNS is fitted with a robust 5-speed transmission. The gear ratios were carried over from its predecessor and are perfectly suited for the MX track. Another highlight of the transmission is the 'no-dirt' gear shifter. Similar to the footpeg design, it prevents the build-up of dirt and ensures the next gear is always available, no matter what the conditions.

Engine management system

Engine management system


The state-of-the-art KEIHIN Engine Management System, with electronic fuel injection, features a 44 mm throttle body. The injector position guarantees optimal atomization of the fuel and air on the way to the combustion chamber, resulting in instant response and maximum performance when opening the throttle. There are also separate systems for cold starting and idle adjustment. The ECU features maps which have been developed to precisely match the exhaust and cylinder head, with options for regulating traction and launch control. It also provides different maps for each gear, according to the information received from the gear sensor, ensuring maximum power as you shift through the gears.

Cylinder and piston

Cylinder and piston


The 78 mm bore cylinder houses a lightweight, forged, bridged, box-type piston, made to the highest standards by CP. It has an extremely rigid structure and features a unique crown shape to suit the high-compression combustion chamber. The compression ratio is at 14.4:1 and thanks to the combination of low oscillating masses, the engine displays extremely lively characteristics.

Clutch

Clutch


The DS (diaphragm steel) clutch, literally puts the control back in the hands of the rider. It features a durable, one-piece clutch basket and primary gear, made of high-strength billet steel, guaranteeing unbeatable reliability. It is fitted with extremely heat-resistant steel carrier friction discs, which are pre-tensioned by means of a diaphragm spring, ensuring the most effective disengagement of the clutch. This design substantially reduces the operating force required to pull the clutch and is made even easier with the Brembo S.p.A hydraulic system.

Exhaust

Exhaust


The KTM 250 SX-F TROY LEE DESIGNS comes with an Akrapovic Slip-On silencer as stadard that further improves the rider's feeling and this unique bike's aesthetics.

Frame

Frame


The frame on the KTM 250 SX-F TROY LEE DESIGNS has to cater for the dynamic riding styles typical of the class it fits into. As with the entire SX range, the frame is professionally crafted from hydro-formed chromium molybdenum steel tubes that are robot welded to ensure the highest levels of consistent quality. The carefully calculated stiffness of the frame delivers responsive handling and works perfectly with the suspension to provide excellent agility and high-speed stability. All 2021 KTM SX frames feature a highly durable powder coating and come with standard frame protectors. The subframe is made from lightweight aluminum and provides great feeling for the rider, as well as easy movement across the seat.

Wheels

Wheels


The KTM 250 SX-F TROY LEE DESIGNS machine is fitted with high-end Factory wheels. They feature black D.I.D DirtStar rims and fully CNC-machined orange anodized hubs. Together with black spokes and orange anodized aluminum nipples, they guarantee minimal weight at maximal stability so that the rider will feel an increase in handling. Dunlop Geomax MX3S tires put the power to the ground using the proven block-within-a-block design.

Brakes

Brakes


High-tech Brembo brakes have always been standard equipment on all KTM motocross bikes. Combined with lightweight wave discs, the renowned system provides the highest level of braking efficiency, enabling you to out-brake the competition.

Handlebar

Handlebar


The KTM 250 SX-F TROY LEE DESIGNS is fitted with a high-strength aluminum tapered handlebar, made by NEKEN. The handlebar is fixed in rubber damped mountings, which allow for two different positions. The handlebars come standard with an ODI vulcanized grip on the right side and a comfortable ODI lock-on grip, which does not require any wire or glue, on the left.

ENGINE

  • TRANSMISSION

    5-speed

  • STARTER

    Electric starter

  • STROKE

    52.3 mm

  • BORE

    78 mm

  • CLUTCH

    Wet multi-disc DS clutch, Brembo hydraulics

  • DISPLACEMENT

    249.9 cm3

  • EMS

    Keihin EMS

  • DESIGN

    1-cylinder, 4-stroke engine

CHASSIS

  • WEIGHT (WITHOUT FUEL)

    101 kg

  • TANK CAPACITY (APPROX.)

    7 l

  • FRONT BRAKE DISC DIAMETER

    260 mm

  • REAR BRAKE DISC DIAMETER

    220 mm

  • FRONT BRAKE

    Disc brake

  • REAR BRAKE

    Disc brake

  • CHAIN

    5/8 x 1/4"

  • FRAME DESIGN

    Central double-cradle-type 25CrMo4 steel

  • FRONT SUSPENSION

    WP XACT-USD, Ø 48 mm

  • GROUND CLEARANCE

    370 mm

  • REAR SUSPENSION

    WP XACT Monoshock with linkage

  • SEAT HEIGHT

    950 mm

  • STEERING HEAD ANGLE

    63.9°

  • SUSPENSION TRAVEL (FRONT)

    310 mm

  • SUSPENSION TRAVEL (REAR)

    300 mm