For 2 years now, the KTM 350 SX-F has been demonstrating that races are not decided by displacement. This unique bike supplies the power and performance of a 450 combined with the handling of a 250. Now the MX1 championship bike is entering MY 2012 with a revamped engine, an improved chassis and new bodywork.
The advantage of the KTM 350 SX-F has always been its weight. And now the bike's heart is even lighter. Another 500 g (17.64 oz) and more have been lost thanks to the new die-cast housing. The extremely short-stroked DOHC power unit, equipped with the latest generation of EFI, excels with its even wider rev range and exceedingly efficient rideability. And, just like all KTM four-strokes, it can be activated with an electric-starter.
The modifications to the 350 cm (21.36 cu in) DOHC engine can be summarized very easily: more power at less weight. Flow-optimized ducts supply greater gas flow and better cylinder charging. Strengthened valve heads and valve seats plus valve springs with a higher spring force make it possible for the lightweight titanium valves to withstand the increase in maximum engine speed from 13,000 rpm to 13,400 rpm. Or more simply said: more power for the new 2012 KTM 350 SX-F.
Factory bike or production bike? You'll find no difference in the crankshaft. Just like last season's KTM factory machines, the crankshaft on the new 2012 KTM 350 SX-F is equipped with a revolutionary plain bearing in the lower conrod eye. In conjunction with the stiffened crankshaft and a lighter piston, this design is a key prerequisite for increasing the maximum engine speed to 13,400 rpm and the impressive peak performance of the 350 cm (21.36 cu in) engine. But not everything revolves around pure power. One major benefit is an extension to the service intervals for the crankshaft; a benefit in terms of time and costs.
The modern frame design of lightweight, high=strength, chromoly steel section tubes guarantees an ideal mix of longitudinal and torsional stiffness, resulting not only in easy handling and precise steering behavior, but also in excellent ride stability. The four-stroke frames impress in MY 2012 with a stiffening of the frame triangle and thinner-walled down tubes. This leads to an improvement in tracking stability (increased torsional stiffness) accompanied by a reduction in weight. The engine braces to the cylinder head have also been optimized, along with their attachment to the frame. The frame bears a new color on the 2012 KTM 350 SX-F and it is still the benchmark in terms of weight and stability.
The further improved 48 mm (1.89 in) upside-down fork featuring closed-cartridge technology has been optimized with completely revamped settings made specifically for the United States MX market 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 aluminum, whereby the steering characteristics, and hence, the responsiveness of the fork have been noticeably improved.
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The Goldilocks bike itself, this pre-owned KTM 350 SX-F has been well loved and looks quite striking in custom Fasthouse graphics and seat skin. Not too big and not too small and not likely to be hard to find when parked among your riding buddies' bikes.
BENCHMARK
For 2 years now, the KTM 350 SX-F has been demonstrating that races are not decided by displacement. This unique bike supplies the power and performance of a 450 combined with the handling of a 250. Now the MX1 championship bike is entering MY 2012 with a revamped engine, an improved chassis and new bodywork.
The advantage of the KTM 350 SX-F has always been its weight. And now the bike's heart is even lighter. Another 500 g (17.64 oz) and more have been lost thanks to the new die-cast housing. The extremely short-stroked DOHC power unit, equipped with the latest generation of EFI, excels with its even wider rev range and exceedingly efficient rideability. And, just like all KTM four-strokes, it can be activated with an electric-starter.
The modifications to the 350 cm (21.36 cu in) DOHC engine can be summarized very easily: more power at less weight. Flow-optimized ducts supply greater gas flow and better cylinder charging. Strengthened valve heads and valve seats plus valve springs with a higher spring force make it possible for the lightweight titanium valves to withstand the increase in maximum engine speed from 13,000 rpm to 13,400 rpm. Or more simply said: more power for the new 2012 KTM 350 SX-F.
Factory bike or production bike? You'll find no difference in the crankshaft. Just like last season's KTM factory machines, the crankshaft on the new 2012 KTM 350 SX-F is equipped with a revolutionary plain bearing in the lower conrod eye. In conjunction with the stiffened crankshaft and a lighter piston, this design is a key prerequisite for increasing the maximum engine speed to 13,400 rpm and the impressive peak performance of the 350 cm (21.36 cu in) engine. But not everything revolves around pure power. One major benefit is an extension to the service intervals for the crankshaft; a benefit in terms of time and costs.
The modern frame design of lightweight, high=strength, chromoly steel section tubes guarantees an ideal mix of longitudinal and torsional stiffness, resulting not only in easy handling and precise steering behavior, but also in excellent ride stability. The four-stroke frames impress in MY 2012 with a stiffening of the frame triangle and thinner-walled down tubes. This leads to an improvement in tracking stability (increased torsional stiffness) accompanied by a reduction in weight. The engine braces to the cylinder head have also been optimized, along with their attachment to the frame. The frame bears a new color on the 2012 KTM 350 SX-F and it is still the benchmark in terms of weight and stability.
The further improved 48 mm (1.89 in) upside-down fork featuring closed-cartridge technology has been optimized with completely revamped settings made specifically for the United States MX market 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 aluminum, whereby the steering characteristics, and hence, the responsiveness of the fork have been noticeably improved.
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