2017 KTM 85 SX, The riders of the junior class are no longer beginners. These are future champions fighting for victory, no matter if it is the a AMA Amateur National Title or Junior Motocross World Championship. In this scene, the 85 SX is considered the weapon of choice. With the most powerful engine in the field and a super lightweight, stable chassis, the only real competition comes from others racing on the 85 SX.ENGINEDESIGN1-cylinder, 2-stroke engineDISPLACEMENT84.9 cm³BORE47 mmSTROKE48.95 mmSTARTERKickstarterTRANSMISSION6-speedPRIMARY DRIVE19:66SECONDARY GEAR RATIO14:46CLUTCHWet, multi-disc clutch, Formula hydraulicsEMSMoric digital 2M1 CHASSISFRAME DESIGNCentral-tube frame with double-cradleFRONT SUSPENSIONWP upside-down Ø 43 mmREAR SUSPENSIONWP PDS shock absorberSUSPENSION TRAVEL (FRONT)270 mmSUSPENSION TRAVEL (REAR)300 mmFRONT BRAKEDisc brakeREAR BRAKEDisc brakeFRONT BRAKE DISC DIAMETER220 mmREAR BRAKE DISC DIAMETER210 mmCHAIN1/2 x 5/16STEERING HEAD ANGLE66 °WHEELBASE1290 ± 10 mmGROUND CLEARANCE352 mmSEAT HEIGHT855 mmTANK CAPACITY (APPROX.)5 lWEIGHT READY TO RACE (WITHOUT FUEL)67.5 kg
2015 KTM 85 SX, In the junior class from 11 to 15 years of age, there are no longer any beginners pootling around. This is where future champions fight for victory, whether it be in the Junior WC or a regional championship. The 85 SX is regarded as a winning bike in this scene. With the most powerful engine in the field and an ultra-light, sturdy chassis, it has nothing to fear from any full-size bike.
