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2018 300 SEF FACTORY

2018 300 SEF FACTORY

2018 300 SEF Factory

Building on the success that Jérémy Tarroux, achieved in his homeland by winning all the 2017 Enduro classics on his Sherco 250 SEF-R, the 2018 version of the Sherco 4-Stroke is counting on continuing to maintain this same level of performance.

To achieve this, the engineers of the brand have worked to make an excellent machine even better. Rule your world on the 250, enjoy the technical features of the 300 or be amazed by the powerful sensations produced by the 450. Whatever your choice, you will not be disappointed!

Technical Details

  • Redesigned gear election drum (softer gear change)
  • New injection mapping (optimized performance)
  • Crankshaft with viper head rod (durability-performance) on 250/300 cc
  • Optimized piston (improved life and more compression) on 300 cc
  • Modification of the oil supply system (temp control/efficiency) on 450 cc
  • Redesigned gas pump
  • WP 46 shock absorber (outstanding shock absorption) on 250/300 cc
  • WP XPLOR fork with compression spring adjustment
  • New rear brake disc
  • Akrapovic complete exhaust system
  • Blue anodized Excel rims
  • Ultra-strong in-mold graphics Factory kit


  • Neken fork triple trees: weight gain 15%
  • “Diamante” Sella Dalla Valle gripper seat cover
  • New Galfer front brake disc
  • New neon yellow handlebar pad
  • Dual material rear sprocket
Engine4 stroke DOHC, 4 valve Sherco technology
Displacement303.68 cc (18.53 cu in)
Bore and stroke84 x 54.80 mm (3.31 x 2.16 in)
EFISynerject digital electronic fuel injection
CoolingLiquid system with forced circulation
StartingUnique electric starting system
Battery12 V / 4Ah Yuasa
ExhaustStainless steel header pipe, muffler with catalytic converter meets Euro 3 stds.
Transmission6 speed sequential gearbox, primary gear drive chain secondary drive
ClutchHydraulic, multidisc in oil bath
Ignition220 W Alternator
ChassisHalf perimeter frame Chrome-Molybdenum
Fuel tank9.7 L capacity
BrakesBrembo Hydraulic Ø 260 mm (10.24 in) (front) Ø 220 mm (8.66 in) (rear)
Front suspensionWP hydraulic telescopic adjustable compression and rebound 48 mm diameter with 300 mm of stroke
Rear suspensionWP Monoshock progressive rear suspension with aluminum control rods, adjustable for high and low speed compression and spring pre-load. 330 mm (13 in) Racing shock.
Front wheel1.60 x 21″ aluminum rim with Michelin Enduro Competition tube-type tire
Rear wheel2.15 x 18″ aluminum rim with Michelin Enduro Competition tube-type tire
Weight102 kg (224.87 lb)
Wheelbase1480 mm (58.27 in)
Ground clearance355 mm (13.78 in)
Seat height950 mm (37.4 in)