Motorcycle specifications KTM350 SX-F 2014 Pole rifle

in the three years since the introduction of the revolutionary 350 SX-F, this bike has proved that it's also possible to win the MX1 World Championship with a smaller displacement. Toni Cairoli clearly dominates this category aboard his 350 SX-F, and for the 2013 season, the Italian is once again banking on this ingenious concept of reduced weight, playful handling and a motorization capable of climbing high in the laps. A unique recipe for success, which benefits professionals and amateurs alike.

cYLINDER HEAD

The DOHC cylinder head boasts optimally dimensioned channels for maximum gas flow and improved cylinder filling. Ultra-light titanium valves and DLC-coated rocker arms allow engine speeds in excess of 13,000 rpm, ensuring spontaneous power delivery and peak performance approaching that of a 450.

eMBIELLAGE

The 350 SX-F's connecting rod assembly features a plain bearing in the lower connecting-rod eye: two pressed bushes are directly connected to the connecting-rod crankpin. The engine's pressure lubrication system supplies the bearing with oil. This construction is an essential prerequisite for the high revs and impressive peak performance of the 350 cm3 engine. Another decisive advantage for customers is the longer service intervals for the connecting rod, thanks to the plain bearing.

bALANCING SHAFT

To balance the masses, the 350 SX-F engine incorporates a multifunction balance shaft that simultaneously drives the timing chain and the water pump. For the 2014 model year, the engine is fitted with a new water pump cover and gasket to optimize sealing.

sTART

The 350 SX-F engine is equipped with an electric starter as standard. This represents an undisputed advantage in the heat of competitive racing, even if it means a slight increase in weight. The 2014 model year features a new, stronger starter freewheel.

gEARBOX

The 5-speed gearbox has been specially adapted to the 350 SX-F's engine characteristics, and shifts with ease and precision.

cLUTCH

The highly compact CSS (Coil Spring Steel) clutch features a wear-resistant steel bell and eight heat-resistant lined discs made of steel. Brembo's hydraulically actuated clutch with new clutch cover ensures easy, controllable modulation.

eNGINE MANAGEMENT SYSTEM (EMS)

Keihin's Engine Management System with electronic fuel injection, 44 mm throttle valves and the revolutionary injector position developed by KTM, ensures spontaneous response and maximum engine performance. The 350 SX-F's wiring harness has been further simplified for the 2014 model year, and the quality of cables and connectors improved. Many connectors are now protected against pressurized steam jets by new rubber grommets. In addition, the Map-Select-Switch available in the PowerPart catalog enables different motor characteristics to be selected via the EMS. In addition, an optional User-Setting-Tool lets you use a laptop to access motorcycle data and modify ignition and fuel injection mapping with just a few clicks.

fRAME

The modern frame design of SX models in lightweight, high-strength chromium-molybdenum steel tubing combines maximum longitudinal rigidity with optimum torsional rigidity. This not only ensures good handling and precise steering, but also excellent riding stability.

sUSPENDING ARM

The cast aluminum swingarm has been designed using state-of-the-art calculation and simulation software; the design and wall thickness ensure minimum weight for optimum strength and a perfectly defined flex. For the 2014 model year, engineers have improved the chain guide and its attachment points on the swingarm for greater reliability and reduced weight.

sUSPENSION / DAMPING

Both the rear shock absorber and the 48 mm inverted fork from WP Suspension guarantee optimum damping behavior and responsiveness. For the 2014 model year, the telescopic fork boasts optimized adjustment and greater reserves against shock loads. Fork rebound and compression can be quickly adjusted to the needs of the rider and the track. The rear shock absorber also offers High-Speed and Low-Speed compression damping.

fORK TIPS

High-quality CNC-milled fork tees have been standard equipment at KTM for years. They ensure precise handling and clearly emphasize the flex characteristics and therefore the responsiveness of the telescopic fork.

eXHAUST

FIM noise limits are a huge challenge for motocross manufacturers, and KTM makes considerable efforts to comply with them. The 350 SX-F is equipped with hydroformed parts and an additional resonance chamber (Header Resonator System HRS) to deliver superior torque while reducing noise.

sURFACE

The aim was to create a more ergonomic and functional fairing, so that every detail of the bike was in perfect harmony with the rider. The plastic mouldings of the front mudguard are a model of solidity thanks to their sophisticated structure and fastening.

sADDLE

The perfectly ergonomic saddle of the 2014 model year features an improved foam core for greater comfort and sturdiness.

aIR BOX

The airbox design ensures optimum protection of the air filter from dirt, and maximum air flow for enhanced performance. Changing the Twin Air filter in just a few seconds and without tools has long been standard at KTM.

fUEL TANK

All SX models are equipped with a new 7.5-liter fuel tank made of lightweight polyethylene.the inner thread of the lid and the lid itself have been modified, making it easier and more reliable to close. Four-stroke motocross bikes feature the same fuel pump system as four-stroke enduro models, allowing the optional installation of larger tanks available in the PowerParts catalog or on enduro models.

gUIDON

All SX models are equipped with super-strong Renthal Fatbar 827 tapered handlebars, shaped to meet motocross requirements. The tried-and-tested KTM system allows the handlebars to be fixed in a choice of four positions. For 2014, a large black/silver Renthal Crash Pad provides additional impact protection for the rider.

gRAPHICS

A refined new graphic design with clear lines underlines the uncompromising demands of this modern off-road bike.

wHEELS

Lightweight CNC-machined hubs, top-of-the-range Excel rims and black-coated spokes with lightweight aluminum nipples ensure minimum weight and maximum stability. Pirelli Scorpion MX Mid Soft 32 tires offer perfect grip and excellent performance.

bRAKES

High-tech brakes from Brembo have long been standard on KTM off-road bikes, with lightweight Wave disc brakes for optimum braking performance. For the 2014 model year, we note a new brake cocotte with a new compensation reservoir, a smaller piston diameter, and a new lever with optimized kinematics. Thanks to this and the optimized brake pads, front brake performance and dosability have been further significantly improved.

News credit: KTM
Image credits: KTMimages