2020 Motorcycle Previews 2020 KTM 450 SX-F, 350 SX-F and 250 SX-F First Look (6...

2020 KTM 450 SX-F, 350 SX-F and 250 SX-F First Look (6 Fast Facts)

2020 KTM Four-Stroke Motocrossers First Look

2020 is not a major update year for KTM’s four-stroke motocross line. However, the 2020 KTM 450 SX-F gets a few updates that the 2020 KTM 350 SX-F and 250 SX-F don’t receive. Let’s take a look at what’s new in the KTM SX-F line.

  1. The 2020 KTM four-stroke MXers get new settings for the WP XACT fork. The WP fork has a new fork piston for improved damping performance, and the fork continues to be an air-spring design.
  1. The WP XACT shock has a new compression adjuster. This improves tunability, according to KTM, and there are new shock settings.
  1. The 2020 KTM 450 SX-F gets a new piston. The shape has been changed “for improved performance and reliability.” There is no change to the piston on the 350 SX-F or 250 SX-F.
  1. The 2020 KTM 450 SX-F will have a 49-tooth rear sprocket. That’s up one tooth, so the gearing is about two percent lower than last year. The 350 SX-F and 250 SX-F will have the same rear sprocket as the previous year.
  1. There are bold new graphics on the 2020 KTM 450 SX-F, 350 SX-F, and 250 SX-F. You always want someone to know you’ve got the latest and greatest!
  1. No word yet on prices or availability.

2020 KTM 450 SX-F, 350 SX-F, and 250 SX-F Specs

ENGINE
Type: Single-cylinder four-stroke
Displacement: 450cc (350: 350cc; 250: 250cc)
Bore x stroke: 95 x 63.4 mm (350: 88 x 57.5mm; 250: 78.0 x 52.3mm)
Compression ratio: 12.75:1 (350: 14.2:1; 250: 14.5:1)
Valvetrain: DOHC, 4 valves
Fuel System: Keihin EFI w/ 44 mm throttle body
Ignition: Keihin EMS
Starting: Electric
Lubrication: Pressure lubrication w/ 2 oil pumps
Transmission: 5-speed
Clutch: Wet Multi-Disc DDS clutch w/Brembo hydraulics
CHASSIS
Frame: Central double-cradle, 25CrMo4 chromoly steel w/ aluminum subframe
Subframe: Aluminum
Handlebar: Neken, Aluminum w/ 28-22mm diameter
Front suspension; travel: Fully adjustable WP XACT inverted 48mm fork; 12.2 inches
Rear Suspension: Linkage-assisted WP XACT shock; 11.8 inches
Wheels: Excel
Front wheel: 1.60 x 21”
Rear wheel: 2.15 x 19”
Tires: Dunlop MX3S
Front tire: 80/100 x 21
Rear tire: 120/80 x 19
Front brake: 260mm disc
Rear brake: 220mm disc
DIMENSIONS and CAPACITIES
Wheelbase: 58.5 inches
Rake: 26.1 degrees
Triple clamp offset: 22mm
Seat height: 37.4 inches
Ground clearance: 14.6 inches
Fuel capacity: 1.85 gallons
Curb weight:  232 pounds (350: 231 pounds; 250: 230 pounds)

2020 KTM 450 SX-F, 350 SX-F and 250 SX-F Photo Gallery

Don Williams
Don Williamshttp://www.ultimatemotorcycling.com
With 45 years of riding experience, Don Williams is a fan of all kinds of motorcycles. He enjoys sport bikes, cruisers, dirt bikes, touring bikes, adventure bikes, dual sport bikes, and rideable customs. Ask Don what his favorite bike is and he will tell you, "Whatever bike I'm on."

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