KTM 250 EXC-F

KTM EXC250
Manufacturer	KTM
Also called	250 EXC Racing, 250 EXC-F SixDays, 250 EXC SixDays, 250 EXC SIXDAYS, 250 EXC-F Six Days, 250 EXC Six days, 250 EXC Six Days, 250 EXC-TPI Six Days, 250 EXC TPI Six Days, 250 EXC-F Six days, 250 EXC TPI, 250 EXC-F, 250 EXC
Production	2012 - 2017
Engine	Four stroke, single cylinder. DOHC with finger followers, 4 valves per cylinder
Compression ratio	13.2:1
Ignition	Keihin EMS
Spark Plug	NGK CR9EKB
Battery	YUASA YTX4L-BS, 12V 3Ah
Transmission	6 Speed
Frame	Central double-cradle-type 25CrMo4, subframe aluminum
Suspension	Front: WP Suspension Up Side Down 4860 MXMA PA Rear: 335 mm / 13.2 in
Brakes	Front: Single 260 mm disc, 2 piston caliper Rear: Single 220 mm disc, 1 piston caliper
Front Tire	90/90 - 21 M/C 54M M+S TT
Rear Tire	120/80 - 18 M/C 65M M+S TT
Wheelbase	1482 mm / 58.4 in
Seat Height	970 mm / 38.2 in
Weight	107.5 kg / 237 lbs (dry),
Oil Filter	K&N KN-157
Fuel Capacity	9.5 Liters / 2.5 US gal / 2.1 Imp gal
Manuals	Service Manual

Engine

The engine was a LIquid coolded cooled Four stroke, single cylinder. DOHC with finger followers, 4 valves per cylinder. The engine featured a 13.2:1 compression ratio.

Drive

Power was moderated via the Wet multi-disc clutch, Brembo hydraulics.

Chassis

It came with a 90/90 - 21 M/C 54M M+S TT front tire and a 120/80 - 18 M/C 65M M+S TT rear tire. Stopping was achieved via Single 260 mm disc, 2 piston caliper in the front and a Single 220 mm disc, 1 piston caliper in the rear. The front suspension was a WP Suspension Up Side Down 4860 MXMA PA while the rear was equipped with a 335 mm / 13.2 in. The 250 EXC-F was fitted with a 9.5 Liters / 2.5 US gal / 2.1 Imp gal fuel tank. The bike weighed just 107.5 kg / 237 lbs. The wheelbase was 1482 mm / 58.4 in long.

Photos

Overview

KTM 250 EXC-F

The 250 EXC-F is practically a guarantor for top places in tough and physical enduro sport. Renowned for its powerful performance from deep down up to 13,000 1/min, the new generation is being launched with an even more powerful DOHC four-stroke engine, a new fuel injection system, a new electric starter and a completely revamped, top-quality chassis. The playful handling of the 250 EXC-F is legendary - for all those who want to keep their motorcycle completely under control at all times. The 250 EXC-F's new bodywork with the very slim seat and spoiler lines, plus excellent contact points, perfects the bike's ergonomics, making handling even simpler and more precise. The longer rear fender protects the rider even more effectively from swirled up stones. ELECTRIC STARTER The 250 EXC-F is equipped with both a kickstarter and an electric starter. The redesigned drive for the electric starter is now integrated into the generator cover instead of the engine case, so the bike can be converted into a pure kickstarter simply by replacing the generator cover. NOW WITH EVEN MORE PERFORMANCE ENGINE The 250 EXC-F's compact, state-of-the-art four-stroke engine excels with a redesigned cylinder head, an extremely wide usable rev range and now with even better performance. A state-of-the-art engine management system with electronic injection, a more powerful generator and a redesigned electric starter make the KTM a hard nut to crack for the competition. VALVE TRAIN AND NEW INTAKE PORT Four titanium valves are actuated in the DOHC cylinder head by carbon-coated cam levers. The 250 EXC-F's elaborate valve train and engine with an extremely short stroke facilitate speeds of up to 13,000 1/min. The further developed intake port now allows 10 % greater gas flow. NEW EFI/EMS The newly developed Keihin engine management system with electronic fuel injection ensures spontaneous responsiveness from the engine. Various engine characteristics can be activated with an optional map select switch. NEW SILENCER The 250 EXC-F's new, improved silencer not only offers greater volume and a new design, it also reduces noise levels to the stricter standards of the future. NOW WITH AN EVEN MORE SUPERIOR CHASSIS NEW FRAME The completely revamped frame made from high-quality chrome-molybdenum steel is characterised by even greater lateral stiffness. Furthermore, it is even better at absorbing jolts introduced by the suspension system, whereby the playful handling and comfort of the 250 EXC-F have been further optimized. NEW SWINGARM, NEW PDS, NEW SETTING The 250 EXC-F's new, lighter, cast aluminum swingarm accommodates the shock absorber more centrally, in order to load the swing arms more evenly. The new, 7 mm (0.28 in) longer PDS shock absorber with adjustable rebound and high/low-speed compression damping, and a new setting is installed more flatly, so providing even more progression. TELESCOPIC FORK, NEW SETTING The 250 EXC-F is equipped with the latest WP upside-down fork with wider adjustment ranges and a new setting. The sensitive responsiveness and outstanding damping of the open-cartridge fork with 48 mm (1.89 in) outer tubes are a perfect complement for the 250 EXC-F's playful handling and precision. NEW WHEELS Practically unbeatable in terms of weight and stability, the new wheels have CNC-machined hubs, Excel rims, zinc/nickel-coated spokes and aluminum nipples. They reduce the unsprung and gyroscopic masses, hence boosting the playful handling of the 250 EXC-F.

Make Model	KTM 250 EXC-F
Year	2012 - 17
Engine Type	Four stroke, single cylinder. DOHC with finger followers, 4 valves per cylinder
Displacement	248.6 cc / 15.2 cuin
Bore X Stroke	76 x 54.80 mm
Compression	13.2:1
Cooling System	LIquid coolded
Induction	Keihin EFI, flow restrictor, 42 mm
Spark Plug	NGK CR 9 EKB
Ignition	Keihin EMS
Starting	Kick and electric
Battery	YTX4L-BS, 12V 3Ah
Clutch	Wet multi-disc clutch, Brembo hydraulics
Transmission	6 Speed
Final Drive	Chain, 5/8 x 1/4"
Primary Drive Ratio	22:68
Gear Ratios	1st 13:33 / 2nd 17:33 / 3rd 19:29 / 4th 23:28 / 5th 23:23 / 6th 26:22
Final Drive Ratio	14:50 (13:50)
Frame	Central double-cradle-type 25CrMo4, subframe aluminum
Front Suspension	WP Suspension Up Side Down 4860 MXMA PA
Front Wheel Travel	300 mm / 11.8 in
Rear Suspension	335 mm / 13.2 in
Front Brakes	Single 260 mm disc, 2 piston caliper
Rear Brakes	Single 220 mm disc, 1 piston caliper
Front Tire	90/90 - 21 M/C 54M M+S TT
Rear Tire	120/80 - 18 M/C 65M M+S TT
Steering Head Angle	63.5o
Wheelbase	1482 mm / 58.4 in
Seat Height	970 mm / 38.2 in
Dry Weight	107.5 kg / 237 lbs
Gvwr	335 kg / 739 lbs
Engine Oil Capacity	91.2 L / 1.27 US qt / 1.06 Imp qt
Fuel Capacity	9.5 Liters / 2.5 US gal / 2.1 Imp gal
Fuel Reserve	1.5L / 1.6 US qt / 1.3 Imp gal