2022 KTM 350EXC-F
Off-Road / Dirt Bike Motorcycle for sale by MotoMember in Purcellville, Virginia 20132
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Engine & Exhaust
Engine: Compact dimensions with an unbelievable power output, the KTM 350 EXC-Fs fuel-injected DOHC engine offers the best power-to-weight ratio on the market. Its class-leading power delivery is available throughout the entire rev range and the light weight of just 61.7 lbs, makes it almost as light as a 250, while offering power and torque closer to a 450 cc.
Cylinder Head: 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 350s dynamic performance.
Crankshaft: The KTM 350 EXC-Fs crankshaft is located in an ideal position close to the center 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 engines pressurized lubrication system provides the necessary oil feed for this bearing. This design has a direct benefit for the crankshaft with extended service intervals, which are lengthened due to the plain bearing. So just pin it, all day long.
Engine Cases And Covers: The compact engine cases are manufactured using a high pressure die-cast production process which helps with weight reduction, while retaining strength and durability. The design allows for a very centralized shaft configuration, making the engine very short and compact, while contributing to an efficient centralization of mass. Additionally, the engine covers feature a smart surface structure which reduces wear caused by the riders boots, keeping them looking as fresh as the day you bought it.
Transmission: 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. There was no need to change the gear ratios that are perfectly matched to the power characteristics of the engine. 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 allows for easy access and a smooth routing of the cables. The ECU provides different maps for each gear, according to the information received from the gear sensor, ensuring maximum power as you shift through the gears.
Cylinder And 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.
Balancer Shaft: 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.
SubcategoryOff-Road / Dirt Bike
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