KTM 500 EXC-F SIX DAYS 2021

Produktinfo

No other brand stands up to the success of KTM when it comes to enduro, and this is clearly evident in the biggest competition on the calendar, the ‘International Six Days Enduro’ (ISDE). From its humble beginnings, the ISDE has turned into the team world championship of the Enduro scene. This Enduro marathon demands as much from the bikes as it does from the riders, and every year, more than half of them show up on Orange. The 2021  KTM SIX DAYS models pay the ultimate tribute to the event that was originally set to take place in Italy in 2020 and had to be rescheduled for 2021. No chain is stronger than its weakest link, so no compromise can be made for those intent on crossing the finish line. KTM, once again, rises to the challenge with the latest, limited Six Days edition of extra-tough machines. Easily identified by their special Six Days design, these bikes feature an extended list of top-of-the-line components, all specially designed and refined by KTM’s own research and development department. These are the ultimate Enduro bikes for the exceptional event.
Motor og eksos

Engine

Combining compact dimension with an immense power output, the KTM 500 EXC-F’s fuel-injected SOHC engine is the most powerful and refined 500 cc on the market. Its class-leading power delivery is available throughout the entire rev range and with its low weight of only 29.2 kg, this engine is the most compact, lightest and most competitive powerplant out there. With Euro IV homologation, it’s not only considerately green, but leaves the competition green with envy too.

Transmission

The KTM 500 EXC-F SIX DAYS features a robust 6-speed transmission made by PANKL Racing Systems. The gears are made of a strong, forged raw material, ensuring the highest durability and reliability level. There was no need to change the gear ratios that are perfectly matched to the power characteristics of the engine. All four-stroke […]

Exhaust

When it comes to power delivery and performance, the new exhaust plays a key role and packs a punch that is hard to beat. All 4-stroke EXC models feature two-piece header pipes which can be disassembled easily and allow easy access to the shock. The aluminum muffler sleeve has a short and compact profile, bringing […]

Engine management system

The state-of-the-art Keihin Engine Management System, with electronic fuel injection, features a 42 mm throttle body with separate systems for cold starting and idle adjustment. The throttle cable mount allows for easy access and a smooth routing of the cables. The ECU features selectable engine maps which are optimized to the exhaust, airbox and engine […]

E-Starter

The standard electric starter on the KTM 500 EXC-F SIX DAYS uses a proven starter drive and a strong starter motor made by Mitsuba. As demonstrated time and time again, it provides quick and reliable starting, saving you precious time and energy when you need it most.

Cylinder head

The KTM 500 EXC-F SIX DAYS engine is fitted with a compact SOHC cylinder head for optimal mass centralization while contributing to even better handling. The head configuration promises efficient power delivery and unrivalled performance as the gas flow through the ports is controlled by a single overhead camshaft. It features a durable axial fixation […]

Cylinder and piston

Inside the short 95 mm bore cylinder, is an extremely lightweight, box-in-box type piston made by König. In conjunction with the light but extremely durable piston pin, it is a major contributor to the engine’s high performance, low vibrations and engine-speed. The compression ratio of 12.75:1 delivers exceptional engine performance and reduces the risk of […]

Crankshaft

The KTM 500 EXC-F SIX DAYS’ crankshaft is located in an ideal position close to the center of gravity, contributing to easier handling. It utilizes a short connecting rod, which makes for an overall compact and lightweight engine with a snappy power delivery. A plain big (bottom) end bearing with two force-fitted bearing shells runs […]

Crankcases and engine covers

The compact engine cases are manufactured using a high pressure die-cast production process which helps with weight reduction, while retaining strength and durability. The design allows for a very centralized shaft configuration, making the engine very short and compact, while contributing to an efficient centralization of mass. The engine covers feature a smart surface structure […]

Cooling

Maintaining the optimal engine temperature is crucial to ensuring consistent horsepower throughout the ride. The KTM 500 EXC-F SIX DAYS features radiators which are mounted close to the center of gravity and match the design of the shrouds perfectly, in order to achieve perfect ergonomics. By using CFD technology (Computational Fluid Dynamics) and a smart […]

Clutch

The KTM 500 EXC-F is fitted with the extremely durable, KTM-developed DDS clutch (damped diaphragm steel), with a wear-free steel basket and heat resistant clutch plates. It uses a diaphragm spring instead of the usual coil springs, which results in considerably easier clutch action. The diaphragm spring is also compact enough to allow for a […]

Balancer shaft

The multifunctional side-mounted counter balance shaft masterfully balances all the oscillating forces, while also driving the water pump. It effectively keeps engine vibrations to a minimum, resulting in the smoothest ride even at the highest engine speeds.

Chassi

Frame

All EXC models feature high-tech, lightweight chromoly steel frames. This includes hydro-formed elements produced by state-of-the-art robot welding. With its race-proven geometries and optimal stiffness, the frame provides great feedback for the rider, playful handling and remarkable stability. The laterally attached engine head stays (the connection between cylinder, head and frame) are made of aluminum, reducing vibration and further contributing to precise cornering. The bikes also feature lateral frame guards with a structured surface, improving grip, while also serving as a heat protector against the muffler on the right side. The subframe is made of extra-light and stable aluminum profiles, weighing less than 900 gr, providing great rear fender stability.

Wheels

KTM uses lightweight, CNC-machined hubs and high-end GIANT rims on all Enduro models, guaranteeing maximum stability and minimum weight. The aluminum spoke nipples feature an innovative design, which conveniently reduces the frequency with which the spokes need to be tightened.

Triple clamp

All SIX DAYS models are fitted with high-end CNC machined triple clamps anodized in orange and an offset of 22mm, ensuring a solid grip of the fork and precise handling. The handlebar is adjustable forwards and backwards over 4 positions, so the bike will fit you like your favorite gloves.

Swingarm

The KTM 500 EXC-F SIX DAYS’ one-piece aluminum swingarm is manufactured using a gravity die-cast production process, offering exceptional strength at the lowest possible weight. The single-component casting process offers low weight, perfect flex behavior and also allows for a large number of geometry solutions.

Rear suspension

The WP XPLOR shock absorber is the key element on the proven PDS rear suspension design (progressive damping system), where the shock is directly linked to the swingarm without an additional linkage system. This keeps weight lower and reduces the chances of hooking on rocks. Optimal enduro-specific damping progression is achieved by using a second […]

Fuel tank

All models in the EXC range are fitted with lightweight polyethylene tanks improving the ergonomics. The ¼‐turn bayonet filler cap makes for quick and easy closure. Manufactured using see‐through plastic, you will always be able to see how much fuel remains at a glance. It is fitted with an integrated fuel pump system and a […]

Front suspension

All EXC models are fitted with the latest 48 mm diameter WP XPLOR upside-down forks, featuring a split fork design developed by WP and KTM. While each side is fitted with springs, they have separate damping functions. Compression damping is on the left and the rebound on the right. Both can easily be adjusted via […]

Brakes

These high-tech Brembo brakes are combined with lightweight Wave brake discs (Solid rear and floating front). You couldn’t brake any harder or with better feel on an offroad motorcycle. For additional strength and reliability, the rear brake pedal is secured with a safety wire.

Airbox

The airbox on the KTM 500 EXC-F SIX DAYS ensures optimal flow dynamics, and together with the intake snorkels, results in optimal power and throttle response. Despite the obvious performance enhancements, the design also offers maximum protection against soiling of the air filter. The large Twin-Air air filter is mounted on a cleverly designed stiff […]

Ergonomi og komfort

Handlebar

All SIX DAYS models are equipped with the same high-strength aluminum tapered handlebar, that can be mounted in four 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. Just in case you needed reminding that you were on a special machine, the handlebars feature the SIXDAYS logo.

Footpegs

Sophisticated ´No-Dirt´ footpegs prevent clogging up the pegs, even when digging in deep ruts. The pegs on the Enduro models are 6mm higher than the ones used on SX models, which benefits ground clearance. But you can swap them at will.

Bodywork og dekaler

Six Days equipment

SIX DAYS seat for improved long-distance comfort, Exclusive SIX DAYS graphics with a striking design, Handlebar map select switch, Handlebar with SIX DAYS logo, SIX DAYS silencer (anodized and with SIX DAYS logo), Machined orange anodized triple clamps for extremely precise fork clamping and optimum fork function, Radiator fan for all 4-stroke models to optimize temperature management in extreme conditions, Floating front brake disc for consistent braking performance in extreme conditions, Solid rear brake disc (no slots/holes) for improved heat resistance and reduced brake pad wear, Supersprox Stealth 2-component rear sprocket with an aluminum inner ring and steel outer ring for maximum durability, Front axle puller for simple front wheel removal, Orange frame, Engine guard for effective engine protection, Orange chain guide.

Decals

Durable in-mold graphics convey the READY TO RACE character of the KTM EXC-F model line.

Programvare og elektronikk

Battery & Wiring Harness

All engines are fitted with the proven electric starter, which is a major benefit for any offroad activity. It is powered by a super lightweight 2 Ah lithium-ion starter battery, which provides safe, reliable starting. The wiring harness has most of the electrical components carefully positioned into a common area below the seat, making them easily accessible and reliable.

Tekniske detaljer

TECH DETAILS

Engine
TRANSMISSION
6-speed
STARTER
Electric starter
STROKE
72 mm
BORE
95 mm
CLUTCH
Wet, DDS multi-disc clutch, Brembo hydraulics
CO2 EMISSIONS (BIKE)
84 g/km
DISPLACEMENT
510.9 cm³
EMS
Keihin EMS
DESIGN
1-cylinder, 4-stroke engine
FUEL CONSUMPTION (BIKE)
3.62 l/100 km
Chassis
WEIGHT (WITHOUT FUEL)
106 kg
TANK CAPACITY (APPROX.)
9.2 l
FRONT BRAKE DISC DIAMETER
260 mm
REAR BRAKE DISC DIAMETER
220 mm
FRONT BRAKE
Disc brake
REAR BRAKE
Disc brake
CHAIN
X-Ring 5/8 x 1/4″
FRAME DESIGN
25CrMo4 steel central-tube frame
FRONT SUSPENSION
WP XPLOR-USD, Ø 48 mm
GROUND CLEARANCE
355 mm
REAR SUSPENSION
WP Xplor PDS shock absorber
SEAT HEIGHT
960 mm
STEERING HEAD ANGLE
63.5 °
SUSPENSION TRAVEL (FRONT)
300 mm
SUSPENSION TRAVEL (REAR)
310 mm
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