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2013 KTM 250SX Review
2013 KTM 250SX
It doesn’t always have to be a four-stroke. The KTM 250 SX 2013 has raised the bar to another level in its class and is now a formidable weapon to combat the competition thanks to its incredible power combined with extremely low weight. Simply unbeatable in terms of power-to-weight ratio.
2013 KTM 250SX Features and Benefits
CLUTCH
A new DDS clutch (Damped Diaphragm Steel) with a wear-free steel cage is fitted to the new KTM 250 SX engine, allowing use of thin steel discs for minimum overall width. The diaphragm spring, which preloads the package, not only reduces the operating force required to pull the clutch, but also provides space for integrated hub damping. The result: more traction and protection for the transmission. And with hydraulic clutch actuation from Brembo, the rider has everything under control right from the start.
FRAME
The modern frame design of lightweight, high strength, chrome-molybdenum steel section tubes guarantees an ideal mix of longitudinal and torsional stiffness, resulting not only in easy handling and precise steering behaviour, but also in excellent ride stability. The engine braces to the cylinder head have also been optimised, along with their attachment to the frame. The frames bear a new colour for the 2013 model year and they are still the benchmark in terms of weight and stability.
FORK
The further improved 48 mm (1.89 in) upside-down fork featuring closed-cartridge technology has been optimised with completely revamped settings for perfect harmony with the new frame and engine. The new oil is significantly more wear-resistant and guarantees more consistent damping throughout both the course of a race and the bike’s life cycle. A new lower triple clamp is 80 g (2.82 oz) lighter and, just like the upper triple clamp, CNC-machined from high quality aluminium, whereby the steering characteristics and hence the responsiveness of the fork have been noticeably improved.
BODYWORK
Not only visually does the completely revamped bodywork indicate that the 2013 model year represents a new SX generation. Above all, the ergonomics and function of the plastics have been designed in such a way that the whole chassis and engine package forms a perfect harmony with the rider down to the very last detail. The fuel tank and spoiler have been restyled along with the airbox cover and the front fender, including the start number plate. A particular highlight is the new front fender, which has no ribbing whatsoever on the inside, thereby preventing mud build-up. A pioneering structure and improved attachment of the fender to the triple clamp result in up to 50% greater lateral stiffness.
WHEELS
The wheels are fitted with lightweight, CNC-machined hubs and high-end EXCEL rims, plus new, black-coated spokes with aluminium nipples, guaranteeing the highest levels of stability while keeping weight to a minimum. The Pirelli Scorpion tyres (MX Mid Soft 32) stand for excellent traction and good performance. For the benefit of greater ride stability on the KTM 250 SX 2013, the rear axle has been increased in diameter from 20 mm (0.79 in) to 25 mm (0.98 in).
BRAKES
Brakes from Brembo are standard equipment on KTM motocross bikes and, together with lightweight wave brake discs, they are recognised as the measure of all things in terms of application and brake performance. At the rear wheel, the brake calliper carriers have been adapted to the larger axle diameter for MY 2013.
2013 KTM 250SX – USA Specifications/Technical Details
US MSRP Price: See dealer for pricing in USD
ENGINE
Design 1-cylinder 2-stroke engine, water-cooled, with reed intake and exhaust control
Displacement 249 cm³ (15.19 cu in)
Bore 66.4 mm (2.614 in)
Stroke 72 mm (2.83 in)
Starting aid Kick starter
Gearbox 5-gear, claw shifted
Primary transmission 26:72
Secondary ratio 13:48
Clutch Multidisc clutch in oil bath/hydraulically activated
Ignition Contactless controlled fully electronic ignition with digital ignition adjustment, type Kokusan
CHASSIS
Frame Central tube frame made of chrome molybdenum steel tubing
Fork WP Suspension Up Side Down 4860 MXMA CC
Shock absorber WP Suspension 5018 BAVP DCC
Suspension travel Front 300 mm (11.81 in)
Suspension travel Rear 330 mm (12.99 in)
Brake system Disc brakes, brake calipers on floating bearings
Brake discs – diameter Front 260 mm (10.24 in)
Brake discs – diameter Rear 220 mm (8.66 in)
Chain 5/8 x 1/4″
Steering head angle 63.5°
Wheelbase 1,495±10 mm (58.86±0.39 in)
Ground clearance unloaded 385 mm (15.16 in)
Seat height unloaded 992 mm (39.06 in)
Total fuel tank capacity, approx. 7.5 l (1.98 US gal)
Super unleaded gasoline, mixed with 2-stroke engine oil (1:60)
Weight without fuel, approx. 97 kg (214 lb.)
2013 KTM 250SX – Canadian Specifications/Technical Details
Canada MSRP Price: See dealer for pricing in CDN
ENGINE
Design 1-cylinder 2-stroke engine, water-cooled, with reed intake and exhaust control
Displacement 249 cm³ (15.19 cu in)
Bore 66.4 mm (2.614 in)
Stroke 72 mm (2.83 in)
Starting aid Kick starter
Gearbox 5-gear, claw shifted
Primary transmission 26:72
Secondary ratio 13:48
Clutch Multidisc clutch in oil bath/hydraulically activated
Ignition Contactless controlled fully electronic ignition with digital ignition adjustment, type Kokusan
CHASSIS
Frame Central tube frame made of chrome molybdenum steel tubing
Fork WP Suspension Up Side Down 4860 MXMA CC
Shock absorber WP Suspension 5018 BAVP DCC
Suspension travel Front 300 mm (11.81 in)
Suspension travel Rear 330 mm (12.99 in)
Brake system Disc brakes, brake calipers on floating bearings
Brake discs – diameter Front 260 mm (10.24 in)
Brake discs – diameter Rear 220 mm (8.66 in)
Chain 5/8 x 1/4″
Steering head angle 63.5°
Wheelbase 1,495±10 mm (58.86±0.39 in)
Ground clearance unloaded 385 mm (15.16 in)
Seat height unloaded 992 mm (39.06 in)
Total fuel tank capacity, approx. 7.5 l (1.98 US gal)
Super unleaded gasoline, mixed with 2-stroke engine oil (1:60)
Weight without fuel, approx. 97 kg (214 lb.)
Prices and specifications subject to change without notice.
2013 KTM 250SX – UK/Europe Specifications/Technical Details
UK/European MSRP Price: £5,945.00 GBP.
ENGINE
Design 1-cylinder 2-stroke engine, water-cooled, with reed intake and exhaust control
Displacement 249 cm³
Bore 66.4 mm
Stroke 72 mm
Starting aid Kickstarter
Transmission 5 gear, claw shifted
Primary gear 26:72
Final drive 13:48
Clutch Wet multi-disc clutch / hydraulically operated
Ignition system Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment, type Kokusan
CHASSIS
Frame Central tube frame made of chrome molybdenum steel tubing
Forks WP Suspension Up Side Down 4860 MXMA CC
Shock absorber WP Suspension 5018 BAVP DCC
Suspension travel Front 300 mm
Suspension travel Rear 330 mm
Brake system Disc brakes, brake calipers on floating bearings
Brake discs – diameter Front 260 mm
Brake discs – diameter Rear 220 mm
Chain 5/8 x 1/4″
Steering head angle 63.5°
Wheel base 1,495±10 mm
Ground clearance (unloaded) 385 mm
Seat height (unloaded) 992 mm
Total fuel tank capacity approx. 7.5 l
Unleaded premium fuel, mixed with 2-stroke engine oil (1:60)
Weight without fuel approx. 97 kg
Prices and specifications subject to change without notice.
2013 KTM 250SX – Australian Specifications/Technical Details
AU MSRP Price: See dealer for Pricing in AUD
Engine
Engine Type1-cylinder 2-stroke engine, water cooled, with reed intake
Displacement249cm³
Bore / Stroke66.4/72mm
Starter / BatteryKickstarter
Transmission5 gear, claw shifted
Fuel ManagementKeihin PWK 38 S AG
ControlExhaust Control
LubricationMixture oil lubrication
Primary Ratio26:72
Final Drive13:48
CoolingLiquid cooling system
ClutchWet multi-disc clutch / hydraulically operated
IgnitionKokusan
Chassis
FrameCentral tube frame of chrome molybdenum steel tubing
Sub-Frame aluminium
HandlebarRenthal aluminium
Front SuspensionWP Suspension USD 4860 MXMA CC
Rear SuspensionWP Suspension 5018 BAVP DCC
Suspension Travel – Front / Rear300/330mm
Front / Rear BrakesDisc brake 260mm front / 220mm rear
Front / Rear Rims1.60 x 21″ / 2.15 x 19″ Excel
Front / Rear Tyres80/100-21″ / 100/90-19″
Chain5/8 x 1/4″
Silenceraluminium
Steering Head Angle63.5º
Wheel Base1495 ± 10mm
Ground Clearance385mm
Seat Height992mm
Tank Capacity approx.7.5l
Weight Without Fuel approx.96.3kg
Specifications, features and prices to change by manufacturer without notice. All information correct as of posted date.
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