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What better proof of the 250 SX-F’s superiority than three consecutive MX2 world championship titles? But KTM is not sleeping on its laurels. The new model progresses further with a redesigned chassis and an electric starter useful in many situations. So that the smallest of the four strokes in the KTM MX range continues to guarantee podium places.
Motor
The compact, state-of-the-art 250 SX-F four-stroke DOHC is fitted with an electric starter as standard for the 2012 model. Directly derived from Marvin Musquin’s world champion motorcycle, it sparks power and performance over a wide rev range, from low to above theoretical maximum revs..
Distribution
The cylinder head with its two overhead camshafts encloses the four titanium valves operated by extremely light carbon rocker arms. This sophisticated distribution, the ultra-light piston and the extremely short engine stroke of the 250 SX-F allow speeds of up to 13,400 rpm..
Engine management (EMS)
The Keihin Engine Management System with its electronic fuel injection guarantees spontaneous engine response and maximum performance. An optional “Map Select” selector can be used to activate different engine characteristics.
Framework
The modern frame of the 250 SX-F, made of high-quality chrome-molybdenum steel, is not only extremely light and torsion-resistant. It is also distinguished by its particularly balanced geometry which combines childlike handling and formidable precision..
Linkage suspension swingarm
The progressive rear suspension of the 250 SX-F contributes to the extraordinary handling and extreme traction. The lightweight aluminum swingarm is designed for optimal resistance to lateral torsion, the attachment of the WP shock absorber, now firmer, via a link, allows great progressiveness and a wide range of adjustment.
Telescopic fork
The inverted telescopic fork has been further improved, featuring closed cartridge technology and a little tighter adjustment for even less bottoming out. The WP fork with its 48 mm (1.89 in) tubes contributes a lot to the extraordinary handling of the 250 SX-F.
EMS
The Keihin Engine Management System with electronic fuel injection and electronic throttle control ensures spontaneous engine response and maximum performance. An optional “Map Select” selector can be used to activate different engine characteristics.
Electric starter
It has been years since KTM has proven that an electric starter is a big advantage, even in motocross. That’s why one button is now enough to start the 250 SX-F. Weight fanatics can take the electric starter apart and replace it with a kickstarter.
Bodywork
The skin of the 250 SX-F with the slim lines of the saddle and the spoiler and its excellent contact points further perfects its ergonomics and makes it even easier and more precise to ride..
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The technical aspect
KTM 250 SX-F 2012
- Frame
- Frame: single split cradle in molybdenum steel
- Tank: 7.5 liters
- Seat height: 992 mm
- Wheelbase: 1495 mm
- Dry weight: 103 kg
- Train before
- Telehydraulic inverted fork Ø 48 mm, deb: 300 mm
- 1 disc Ø 260 mm, 2 piston caliper
- Front wheel:
80/100
– 21
- Transmission
- 5-speed gearbox
- Secondary chain transmission
- Rear axle
- Mono-shock, deb: 330 mm
- 1 disc Ø 220 mm, 1 piston caliper
- Rear wheel:
100/90
– 19
- Motor
- Single cylinder
in line
, 4 stroke - Cooling: Liquid cooling
- Injection Ø 42 mm
- 2 ACT
- 4 valves per cylinder
-
248.60 cc
(76 x 54.8 mm) - Compression: 13.2: 1
- Crit’air:
Detached pieces
exhaust
motor
fluid
electricity
filtration
braking
chain kit
Competitors
Kawasaki KX 250 F 2012
Gallery
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