The 350 SX-F engine has an ultra-compact 4-stroke with advanced electronic fuel injection and electric start. The two-stroke DOHC 349.7cc extremely short diameter of 88 mm and 57.5 mm stroke has a wide band of useable power, maximum performance and smooth.

DOHC cylinder head

Four ultra-lightweight titanium valves in combination with DLC-coated rocker arm enable high speed of 13,000 rpm / min.

Valve train systems

The crankshaft rotates an intermediate gear that drives the chain and also acts as a balance shaft and keeps the water pump. A hydraulic chain tensioner ensures a reliable supply chain and the right time.

E-Start

A few years showed that KTM is an electric start in motocross is a great advantage. The new 350 SX-F can be started by simply pressing a button and have the ability to customize a start the bike.

* The possible variants are:
A. Start Mail Only (securities)
B. electric start plus kick start
C. Kick start only

Balance Shaft

To balance the rotating mass, the engine 350 SX-F has a balance shaft on the right side of the engine, which acts simultaneously as a water reservoir between the gear and pinion pump camshaft. This solution ensures a very compact engine.

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