KTM 450 SX ATV Die Klassenbeste

KTM 450 SX ATV  with 447.92cc engine, Sport ATV models, The electric starter sets in motion the ultra-powerful DOHC engine, designed to give the best motocross riders from beginners to professionals an advantage. With a 5-gear transmission designed specifically for SX use and optimal power delivery throughout the powerband. The two lightweight balancing shafts provide smooth engine character for less rider fatigue over long motos.

KTM 450 SX ATV Specification

Engine     
Engine type : Single cylinder, 4-stroke, SOHC, 4-Valve, Liquid Cooled
Displacement : 447.92cc
Bore/stroke  : 89/72mm
Starter : kick starter and electric starter / 4 Ah
Carburetor : Keihin MX FCR 39
Control  : 4 V / OHC with roller rocker lever
Lubrication : pressure lubrication with 2 Eaton pumps
Transmission : 5-speeds forward, XC Semi-close-ratio + Reverse
Gear ratios : 14:35 17:33 19:30 21:28 23:26
Primary ratio : 31:78
Final drive : 14:38
Cooling : Liquid cooling
Clutch     wet multi-disc clutch, operated hydraulically
Ignition : Kokusan digital 4K-3B
      
Chassis     
Frame : chromoly (25 CrMo4)
Subframe : aluminum
Handlebar : Magura tapered aluminum, Ø 28mm
Front suspension : Ohlins fully adjustable, Twin Chromoly A-arms
Rear suspension  : Ohlins PDS Mono-shock, Fully Adjustable, Chromoly Swingarm
Suspension travel front/rear :     275/272mm / 10.8/10.7"
Front brake : 180mm/7.08" Floating Wave disc, 4-piston fixed Caliper X 2
Rear brake : 200mm/7.87" disc, Single piston Floating Caliper
Front/rear rims : 5.0" X 10.0" DWT Al 6061/ 8.0" X 9.0" DWT Al 6061;
Front/rear tires : 21" X 7" - 10" / 20" X 11" - 9" MAXXIS Razor
Chain :    520 X-ring chain 5/8 x 1/4"
Silencer : aluminum XC w/Spark Arrestor
Steering head angle :NA
Wheel base : 1280mm/50.39"
Ground clearance : 290mm/11.42"
Seat height : 820mm/32.2"
Tank capacity : approx. 13.4 liters/3.54 U.S. gallons
Weight (ready to race)     approx. 163 kgs/359 lbs