85 SX 2018

Motocross

STEP IN TO THE BIG LEAGUES

Available in BIG WHEEL 19/16 and SMALL WHEEL 17/14.

Big changes are here with the 2018 85 SX.  The 2018 KTM 85 SX is a completely new weapon for class supremacy.  An all-new model from the ground up, the 85 SX boasts an engine with more power and ridability across the entire rev range and a chassis that allows the rider to use every bit of that power.  There is no 85cc machine that is more READY TO RACE than the 2018 KTM 85 SX.

HIGHLIGHTS

  • New engine with improved power and torque vs 2017 model.
  • Engine is 77 grams lighter than 2017.
  • New cylinder head and all new power valve system which is adjustable.
  • New lighter crankshaft with more inertia, optimised balancing for less vibration.
  • New diaphram spring cluctch is more compact.
  • New crankcases are more compact with shaft arrangement to near centre of gravity.
  • New lighter transmission with MX specific gear ratios.
  • New chomoly steel frame that half a kg lighter with more torsional rididity.
  • New WP AER 43 front air forks with easy trackside adjustment (pump extra), 1kg lighter than 2017.
  • New WP Progressive Damping System rear shock.
  • New aluminium subframe is lighter and more compact.
  • New cooling system with intergrated crankcase cooling, two radiators.
  • Radiator protection using the shroud and grill for protection in a crash.
  • New bodywork based on fullsize MX.
  • New airbox with tool free air filter changes done in seconds.
  • High-end EXCEL rims, CNC machined hubs.

ENGINE

  • DESIGN

    1-cylinder, 2-stroke engine

  • DISPLACEMENT

    84.9 cm³

  • BORE

    84.9 mm

  • STROKE

    48.95 mm

  • STARTER

    Kickstarter

  • TRANSMISSION

    6-speed

  • PRIMARY DRIVE

    20:64

  • SECONDARY GEAR RATIO

    13:46

  • CLUTCH

    Wet, multi-disc clutch, Formula hydraulics

  • EMS

    Kokusan

CHASSIS

  • FRAME DESIGN

    Central Tube Frame, Chrome Molybdenum and aluminium subframe

  • FRONT SUSPENSION

    WP AER 43 Air spring forks

  • REAR SUSPENSION

    WP PDS monoshock

  • SUSPENSION TRAVEL (FRONT)

    280 mm

  • SUSPENSION TRAVEL (REAR)

    305 mm

  • FRONT BRAKE

    Disc brake

  • REAR BRAKE

    Disc brake

  • FRONT BRAKE DISC DIAMETER

    240 mm

  • REAR BRAKE DISC DIAMETER

    210 mm

  • CHAIN

    1/2 x 5/16"

  • STEERING HEAD ANGLE

    24 °

  • WHEELBASE

    1290 ± 10 mm

  • GROUND CLEARANCE

    352 mm

  • SEAT HEIGHT

    855 mm

  • TANK CAPACITY (APPROX.)

    5.2 l

  • WEIGHT READY TO RACE (WITHOUT FUEL)

    67 kg

  • 173570 KTM 85 SX 90 degree right MY 2018 studio
  • 176351 KTM 85 SX 90 degree left MY 2018 studio
  • 176352 KTM 85 SX front MY 2018 studio
  • 176353 KTM 85 SX left front MY 2018 studio
  • 176354 KTM 85 SX left rear MY 2018 studio
  • 176355 KTM 85 SX right above MY 2018 studio
  • 176356 KTM 85 SX right front MY 2018 studio
  • 176357 KTM 85 SX bird perspective MY 2018 studio
  • 176950 KTM 85 SX 90 degree stripped MY 2018 studio
  • 173208 KTM 85 SX MY 2018
  • 173215 KTM 85 SX MY 2018
  • 177158 85 SX Airbox MY18
  • 177159 85 SX Clutch MY18
  • 177160 85 SX Engine le MY18
  • 177161 85 SX Engine ri MY18
  • 177162 85 SX Footpeg Gear Lever MY18
  • 177164 85 SX Handlebar MY18
  • 177165 85 SX Kurbelwelle MY18
  • 177166 85 SX Radiator MY18
  • 177167 85 SX Rahmen MY18
  • 177168 85 SX Shock MY18
  • 177169 85 SX Zlinder MY18