Widely known for its 250-like agility and 450-like power, the KTM 350 EXC-F has become something to be reckoned with. Gaining instant recognition on its arrival in 2012, it has become a frequent feature on the podium in the FIM Hard Enduro World and the EnduroGP Championships, thanks to its sheer rideability and competitiveness across any terrain. In short, it holds all the cards.
01. ENGINE & EXHAUST
Engineered to find the perfect balance of agility, weight, and power, the KTM 350 EXC-F's fuel-injected DOHC engine is set to become a future legend. Its class-leading power delivery and lightweight give it an unbeatable power-to-weight ratio too. A long story short, this is the most perfectly balanced powerplant on the market.
The KTM 350 EXC-F engine is fitted with a compact DOHC cylinder head for optimal mass centralization while contributing to even better handling. The head configuration, with 2 overhead camshafts controlling the gas flow through the ports, promises outstanding, dual-sport specific engine characteristics. The DLC coated finger followers, as well as the lightweight valves they actuate (intake 36.3 mm, exhaust 29.1 mm), allow for higher engine speeds, a crucial factor in the 350's dynamic performance.
The KTM 350 EXC-F's crankshaft is located in an ideal position close to the centre of gravity, contributing to easier handling. It utilizes a short connecting rod, which makes 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. The engine's pressurized lubrication system provides the necessary oil feed for this bearing.
CRANKCASES & ENGINE COVERS
A lightweight engine case design allows for a very centralized shaft configuration while contributing to an efficient centralization of mass. Additionally, the engine covers feature a smart surface structure that reduces the wear caused by the rider's boots, keeping them looking as fresh as the day it rolled off the production line, while a reinforced clutch cover and engine guard mean the engine case is more robust.
The KTM 350 EXC-F features a robust 6-speed transmission made by PANKL Racing Systems. The gears are made of a strong, forged raw material, ensuring the highest durability and reliability level. All four-stroke engines are fitted with a gear sensor, giving the option of different engine characteristics for each gear.
ENGINE MANAGEMENT SYSTEM
The state-of-the-art Keihin Engine Management System, with electronic fuel injection, features a 42 mm throttle body with separate systems for cold starting and idle adjustment. The throttle cable mount also allows for easy access and a smooth routing of cables for crisp throttle response, every time.
CYLINDER & PISTON
Inside the short 88 mm bore cylinder, is an extremely lightweight, forged bridged box-type piston made by CP. Despite its incredibly low weight, it has an extra rigid structure for enhanced durability. Thanks to its lightweight construction, the oscillating masses are low, giving the engine extremely lively characteristics. The compression ratio of 13.5:1 delivers an exceptional engine performance and reduces the risk of engine knocking.
The multifunctional side-mounted counter balance shaft masterfully balances all the oscillating forces, while also driving the water pump. It effectively keeps engine vibrations to a minimum, resulting in the smoothest ride even at the highest engine speeds.
The KTM 350 EXC-F is fitted with the extremely durable, KTM-developed DDS clutch (damped diaphragm steel), with a wear-free steel basket and heat-resistant clutch plates. It uses a diaphragm spring instead of the usual coil springs, which results in considerably easier clutch action. Additionally, the Brembo hydraulic system provides easy and precise clutch modulation throughout the entire operating temperature range.
The standard electric starter on the KTM 350 EXC-F uses a proven starter drive and a strong starter motor made by Mitsuba. As demonstrated time and time again, it provides quick and reliable starting, saving you precious time and energy when you need it most.
Keeping the engine cool when the going gets tough comes courtesy of a pair of radiators, mounted close to the centre of gravity. These make use of CFD technology (Computational Fluid Dynamics) and clever coolant circuit routing, achieving optimum engine temperature for the highest performance, in all conditions. Above all, the delta distributor, integrated into the frame triangle, features a large centre tube for highly efficient coolant flow, as well as radiator fans as standard on all 4-stroke models.
Packing a punch and delivering an unmistakable engine note, all 4-stroke KTM EXC models feature an easy-access two-piece header pipe that can be disassembled easily to allow access to the rear shock. An aluminium muffler sleeve has a short and compact profile.
All KTM EXC models feature high-tech, lightweight Chromoly steel frames with race-derived geometry, optimal stiffness, and unparalleled feedback for the rider. This translates into a playful handling character, with remarkable stability at speed - not to mention FACTORY RACING style thanks to the striking orange coating. The subframe is made of extra-light and ultra-stable aluminium profiles, weighing less than 900 grams providing rear fender stability and durability in the event of a loop out.
The KTM 350 EXC-F features a one-piece aluminium swingarm, which is manufactured using a gravity die-cast production process. This results in exceptional strength at the lowest possible weight and the perfect flex behaviour.
KTM uses lightweight, CNC-machined hubs and high-end GIANT rims on all EXC models. These guarantee maximum stability and the bare minimum weight, while aluminium spoke nipples feature an innovative design, which reduces the need to continuously tighten the spokes.
Race-specification, puncture-resistant MAXXIS MaxxEnduro are designed for all-day riding comfort, with extreme grip and performance across any terrain.
For 2023, all KTM EXC-F models feature top-shelf WP suspension systems, focused on providing all riders of all levels with unmatched performance and consistency across all terrain types.
Leading the way in enduro-focused suspension, these adjustable 48 mm diameter WP XPLOR upside-down forks provide unmatched performance from both expert and amateur riders alike. Adjustability also comes easily, with compression damping dialed in on the left fork, with rebound on the right.
The race-proven and fully adjustable WP XPLOR shock absorber features conical bushings between the pistons that allow for reduced suspension fade and wear. And, not only this PDS rear suspension design the of choice of champions in the quest for podiums, but it also leads the way when it comes to providing maximum traction for the rear wheel.
When it comes to bringing this machine to stop, you'll be happy to have high-tech Brembo brake calipers and lightweight wavy discs doing the business. These also take years of competitive racing into account, providing the perfect combination of ideal pad density and steel quality for longevity and consistent feel.
All KTM enduro models are fitted with lightweight polyethylene tank, with a Î?Š—�turn bayonet-style filler cap makes for quick and easy operation. The integrated fuel pump ensures a direct feed to the injectors, while a 90Îç connector provides protection against damage. The tank is also manufactured using seeŠ—�through plastic, riders are able to gauge fuel levels at a glance and on the go.
The easy-access airbox on the KTM 350 EXC-F ensures optimal flow dynamics, thanks to specially designed intake snorkels. This means air is force-fed into the motor, resulting in the perfect balance of power and throttle response. Keeping the air clean, is a large Twin-Air air filter fitted to a rigid cage for ideal placement at all times.
03. ERGONOMICS & COMFORT
All KTM EXC models are equipped with adjustable, high-strength aluminium tapered handlebars made by NEKEN. These can be mounted in four different positions. Standard with ODI vulcanized grip on the right side and a comfortable ODI lock-on grip on the left, your only worry is hanging on, and letting rip.
Self-cleaning footpegs prevent mud from clogging up the pegs, even when dragging them through deep ruts. This means your boots maintain their grip, and you maintain your focus on the trail.
Go ahead, take a seat. The 2023 KTM 350 EXC-F's seat is covered in grippy black vinyl, and is perfectly shaped to allow riders complete freedom of movement, but comfortable enough to maintain longer sessions in the saddle.
04. BODYWORK & GRAPHICS
Drawing inspiration from the RED BULL KTM FACTORY RACING TEAM, the 2023 KTM EXC-F range features an orange-coasted frame and boasts a bold 90s inspired colour scheme, using the tried and tested in-mold graphics application for greater friction and fade resistance, meaning your steed will look factory-fresh after even the toughest time spent on the trails.
05. SOFTWARE & ELECTRONICS
BATTERY & WIRING HARNESS
The KTM 350 EXC-F is fitted with a time-proven electrical system, powered by a super lightweight 2 Ah lithium-ion starter battery. The wiring harness also has most of the electrical components carefully positioned into a common area below the seat, making them easily accessible.
|CLUTCH||Wet, DDS multi-disc clutch, Brembo hydraulics|
|DESIGN||1-cylinder, 4-stroke engine|
|WEIGHT (WITHOUT FUEL)||103.8 kg|
|TANK CAPACITY (APPROX.)||9 l|
|FRONT BRAKE DISC DIAMETER||260 mm|
|REAR BRAKE DISC DIAMETER||220 mm|
|FRONT BRAKE||Disc brake|
|REAR BRAKE||Disc brake|
|CHAIN||X-Ring 5/8 x 1/4"|
|FRAME DESIGN||Central double-cradle-type 25CrMo4 steel|
|FRONT SUSPENSION||WP XPLOR-USD, ’… 48 mm|
|GROUND CLEARANCE||355 mm|
|REAR SUSPENSION||WP Xplor PDS shock absorber|
|SEAT HEIGHT||960 mm|
|STEERING HEAD ANGLE||63.5 Îç|
|SUSPENSION TRAVEL (FRONT)||300 mm|
|SUSPENSION TRAVEL (REAR)||310 mm|
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