Produktinfo

SIX DAYS, SIX WINS

KTM SIX DAYS machines are built to perform under the toughest, most gnarly conditions. As such, they boast top-of-the-line components and are set apart from the rest of the range with unique ISDE graphics. The 2019 250 EXC-F SIX DAYS is, in the simplest of words – an epic enduro weapon.

Motor og eksos

Motor og Eksos

At only 27.6 kg, the KTM 250 EXC-F engine is remarkably lightweight, and delivers class-leading torque and power over the entire rev range. An optimized shaft configuration makes for excellent mass centralization and effortless maneuverability – including the comfort of an E-starter. The thrilling power curve will keep you begging for another gear at 12,800rpm. The new KTM 250 EXC-F is brilliantly suited to both amateur riders as well as pros. Even the planet approves, thanks to the fact that it’s Euro IV homologated.

TRANSMISSION

The engine is fitted with a precise 6-speed Enduro transmission, with solid shift engagement thanks to a special low-friction coating on the shift forks. An advanced ´No Dirt´ gear shift lever design prevents mud or dirt build-up in the joint for trouble-free rides. All KTM 4-stroke engines are fitted with a gear position sensor that […]

ENGINE MANAGEMENT SYSTEM

The state-of-the-art Keihin engine management system with electronic fuel injection features a 42mm throttle body. Thanks to its unique injector position, the engine’s response gives a whole new meaning to the word ‘instantaneous’. Separate circuits for cold-starting and idle make on-site adjustments easy. Push the throttle back when the engine is warmed up and the […]

E-STARTER

The KTM 250 EXC-F is fitted with a unique E-starter as standard, which is a clear advantage when it comes to crunch time in the heat of battle. A strong starter motor made by Mitsuba will fire time and time again at the push of a button. Even under extreme conditions, thanks to its more […]

CYLINDER HEAD

.The centerpiece of the compact DOHC engine is this cutting-edge cylinder head. It features light, dual overhead camshafts with friction-optimized cam followers boasting a hard DLC coating. Four lightweight titanium valves and high-flow ports maximize the flow rate for an optimal power band and outstanding performance across the seemingly endless rev range of 12,800rpm. Two […]

CYLINDER AND PISTON

Inside the cylinder, with a bore of 78mm, thumps a reliable box-type piston made by CP. Its crown geometry is adapted perfectly to the high-compression combustion chamber (12.8:1), where its rigid structure and low weight maximize performance. Thanks to low oscillating masses, the engine revs freely with plenty of power.

CRANKSHAFT

The KTM 250 EXC-F’s crankshaft utilizes a short connecting rod, making 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 directly on the crank pin. This design is a must for the extremely high engine speeds and the unrivaled power […]

CRANKCASES AND ENGINE COVERS

The design of the die-cast engine crankcases allows for a centralized shaft configuration, moving the crankshaft close to the bike’s center of gravity. All hail mass-centralization! The engine covers feature an advanced surface structure to reduce the wear caused by the rider’s boots.

COOLING

KTM’s proven cooling system routes the coolant from the cylinder head through the frame triangle, directly to aluminum radiators made by WP. Thanks to flow optimized internal circulation and CFD-calculated ventilation, the system is superbly efficient. In addition, the radiator protectors improve heat dissipation. Especially in the mud. They are also integrated into the front […]

CLUTCH

The KTM 250 EXC-F employs the KTM-developed DDS clutch (damped diaphragm steel) with a wear-free steel basket and extremely heat resistant clutch plates and nitrated steel liners. This clever design employs a diaphragm spring instead of the usual coil springs, making for considerably easier clutch action. A diaphragm spring also leaves sufficient space for a […]

BALANCER SHAFT

To balance the mass forces, the engine uses a multifunctional balancer shaft that also drives the water pump and timing chain.

Chassi

Chassi

KTM’s engineers have crafted the 2019 KTM SIX DAYS models to be the slimmest, lightest and most agile enduro bikes available. Like the rest of the 4-stroke range, they’re equipped with an E-starter as standard, so the only thing you’ll need to be kicking is ass.

WHEELS

The EXC-F’s wheels feature lightweight, CNC machined hubs and high-end Giant rims guaranteeing maximum stability at minimum weight. The wheels are fitted with MAXXIS tires – perfect for surefooted performance off-road and stability on-road.

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

This state-of-the-art swingarm allows for an optimized mounting position of the PDS shock absorber, providing more progressive action. Furthermore, the cast aluminum design guarantees lower weight and a perfect flex behavior. The single-component casting process also eliminates any inconsistencies and weak points.

REAR SUSPENSION

The PDS is kind of a KTM trademark where the shock absorber is directly connected to the upper side of the swingarm. This setup boasts the best possible mounting geometry and provides amazingly progressive damping. The shock absorber is mounted close to the centerline, which means nearly symmetrical loads for the swingarm and frame and […]

FUEL TANK

The lightweight polyethylene tank has a capacity of 8.5 liters. You will always be able to see how much fuel remains at a glance, thanks to the see-through plastic. By pushing the orange release button in the center of the fuel tank cap, the bayonet mechanism makes refueling quick and easy. It is fitted with […]

FRONT SUSPENSION

The WP XPlor 48 upside-down fork is a split fork developed by WP in close collaboration with KTM. It is fitted with a spring on both sides but features separated functions for each fork leg: compression damping is fitted on the left side, while rebound is on the right. The forks can easily be adjusted […]

FRAME

The high-tech, lightweight chrome-moly steel frame has a knack for easy handling, outlandish rideability, precise cornering and excellent stability. You can also count on high torsional rigidity and low longitudinal stiffness. This results in better absorption of the energy created from the front and rear suspension sucking up jumps and bumps. In short: more comfort […]

BRAKES

You can’t brake any harder, better, faster or stronger. High-tech Brembo calipers are combined with lightweight Wave brake discs. The steel-flex front brake hose has efficient protection and there’s an integrated channel for the speedometer cable. First you outrun them, then you outbrake them.

AIRBOX

The air filter box design offers maximum protection of the air filter against soiling, while ensuring maximum airflow in a quiet way. The large Twin Air filter is mounted in a stiff cage, which at the same time holds the system in place. This design is so simple; you can pop a fresh one in […]

Ergonomi og komfort

Ergonomi og komfort

The annual ISDE is renowned for challenging terrain and grueling conditions. It goes without saying, then, that riders need the ability to move about the bike freely and easily. With that in mind, KTM has ensured that the same READY TO RACE ergonomics of previous years have been retained for 2018, with a few improvements to make for an even better ride.

SEAT

Tailored to meet the needs of the world’s fastest backsides, this durable seat offers great comfort, helping you master the most challenging terrain all day long.

HANDLEBAR

KTM engineers know how to handle handlebars. This tapered unit, made of high-strength aluminum by NEKEN, features a throttle assembly with a robust aluminum body and easy free-play adjustment. An ODI volcanized grip sits on the right, while on the left side of the bar a comfortable ODI lock-on grip requires no glue or wire […]

FOOTPEGS

Sophisticated ´No Dirt´ footpegs prevent jamming up of the pegs, even when digging in deep ruts. The pegs on the EXC 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

Bodywork og dekaler

KTM R&D, KISKA Design and the factory racers collaboratively shaped the plastics with one goal in mind: complete harmony between rider and bike. The I-beam structure of the front and rear fenders guarantees maximum stability and low weight. For 2019, the SIX DAYS models receive a refreshing splash of red, white and blue in honor of the ISDE host country, Chile.

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 (anthracite 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 […]

Programvare og elektronikk

Programvare og elektronikk

The motor in the 250 EXC-F SIX DAYS is managed by a state-of-the-art Keihin engine management system, which features a 42 mm throttle body, giving you super-smooth power delivery across the rev-range and maximum traction in the toughest terrain.

Tekniske detaljer

TECH DETAILS

Engine
Design
1-cylinder, 4-stroke engine
Displacement
249.91 cm³
Bore
78 mm
Stroke
52.3 mm
Starter
Electric starter
Clutch
Wet, DDS multi-disc clutch, Brembo hydraulics
EMS
Keihin EMS
CO2 emissions
78.8
Fuel consumption
3.4
Chassis
Frame design
25CrMo4 steel central-tube frame
Front suspension
WP-USD Xplor 48 with preload adjuster
Rear suspension
WP Xplor PDS shock absorber
Suspension travel (front)
300 mm
Suspension travel (rear)
310 mm
Front brake
Disc brake
Rear brake
Disc brake
Front brake disc diameter
260 mm
Rear brake disc diameter
220 mm
Chain
X-Ring 5/8 x 1/4″
Steering head angle
63.5 °
Ground clearance
355 mm
Seat height
960 mm
Tank capacity (approx.)
8.5 l
Weight READY TO RACE (without fuel)
103.5 kg
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