2013 Ktm Xcf-w 250 on 2040-motos
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Type:Dirt Bike
Phone:(866) 351-0902
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2013 KTM XCF-W 250, CONTACT KYLE FOR DETAILS(480)-898-0559Overview
KTM 250 XC-F
The new generation KTM 250 XC-F appears with a completely new, even lighter engine and an updated injection system. In other words: a performance package that will redefine the 250 class. Together with a new frame and new bodywork, the new 2013 KTM 250 XC-F is a winning bike that will dominate the 250 class.
Engine
KTM 250 XC-F
A completely new design, without kickstarter, in a new engine case, manufactured in a die-casting process. What s all this for? To save weight. A new, elastic and simultaneously high-strength, aluminum alloy provides additional damage protection for the engine on the 2013 ktm 250 xc-f.
Cylinder + piston
KTM 250 XC-F
The stroke-bore ratio of the 2013 ktm 250 xc-f has been defined as somewhat shorter-stroked for the benefit of higher peak power, with the new cylinder now boasting a bore of 78 mm (3.07 in) (previously 76 mm (2.99 in)), hence providing space for larger valves. Despite the larger diameter, the box-type, forged piston is lighter in weight. This reduces the moving masses and enables higher engine speeds as well as more power.
Balancer shaft
KTM 250 XC-F
The goal was less vibration in spite of increased revs. That s why the new ktm 250 xc-f engine also has a laterally positioned balancer shaft, which also serves as the drive wheel for the timing chain and the water pump.
Cylinder head
KTM 250 XC-F
Those wanting to know what drives a winner to victory will find the answer here. The heart of the newly developed dohc engine is the redesigned cylinder head with twin overhead camshafts and dlc-coated cam followers that actuate the titanium valves. Larger, flow-optimized ducts in conjunction with the more generously dimensioned intake valves (intake 32.5 mm (1.28 in), exhaust 26.5 mm (1.043 in)) guarantee 10% more gas flow and significantly improved performance. The new camshafts on the 2013 250 xc-f have been designed (new valve timing, larger stroke) for achieving a huge increase in performance compared with its predecessor, above all, at the top end of the rev range (max. 14,000 rpm, previously 13,400 rpm).
New injection system
KTM 250 XC-F
The keihin engine management system with electronic fuel injection has been improved significantly on the 2013 ktm 250 xc-f. Even more performance has been achieved with greater air flow through a new throttle body - featuring a 44 mm (1.73 in) instead of a 42 mm (1.65 in) port - in conjunction with the new injector nozzle. The throttle position sensor (tps) is more durable and protected from stone impact with a plastic protector. The connectors are now enclosed in rubber grommets to protect them from pressure washers. The wiring harness has been simplified and the quality of cables and connectors optimized
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