125 SX
No absolute beginners are to be found putting around among the ranks of ambitious, young MX riders anymore. This is where future champions fight for victory and the best chance for a place on the podium is on the 85 SX — as demonstrated convincingly by Henry Jacobi's 2010 world championship title. The 85 SX masters the toughest MX tracks with ease. The grown-up KTM mini-crosser combines full-fledged MX technology with perfect controllability.
| Engine » | |
|---|---|
| Engine | single cylinder, 2-stroke |
| Displacement | 124.8 cc |
| Bore and Stroke | 54 x 54.5 mm |
| Starter / Battery | Kick Starter |
| Transmission | 6 Gears SX ratios |
| Fuel Management | Keihin PWK 38 S AG |
| Lubrication | Lubrication mixture 40:1 |
| Primary Ratio | 23:73 |
| Final Drive | 13.5 |
| Cooling | Liquid Cooled |
| Clutch | Wet multi disc clutch operated hydraulically |
| Ignition | Kokusan digital 2K-1 |
Chassis » |
|
| Frame | Chromoly central tube frame |
| Sub-Frame | Aluminium 7020 |
| Handlebar | Renthal tapered |
| Front Suspension | WP USD 48mm closed cartridge |
| Rear Suspension | WP 5018 BAVP DCC |
| Front/Rear Brakes | Disc brake 260mm front / 220mm rear - Brembo |
| Front / Rear Rims | 1.6 x 21" / 2.15 x 19" Excel |
| Front / Rear Tyres | Pirelli Scorpion MX 80/100-21" / Pirelli Scorpion MX 100/90-19" |
| Chain | 520 Chain 5/8 x 1/4" |
| Silencer | Aluminium SX |
| Steering Head Angle | 26.5° |
| Wheel Base | 1480 mm |
| Ground Clearance | 395 mm |
| Seat Height | 992 mm |
| Tank Capacity | 7.5 L |
| Weight Without Fuel | 91.6 kg |





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