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KTM 125 SX 20212021 KTM 125 SX specifications, pictures, reviews and rating |
| KTM's profilation of this bike |
| A lightweight chassis teams up with the most competitive 125 cc 2-stroke engine in its class, delivering superior agility and power to fulfil the demands of any young adrenaline seeker. This 2-stroke screamer is the ultimate entry point into the pro ranks and a sure-fire way to add to the trophy collection. |
| General information | |
|---|---|
| Model | KTM 125 SX |
| Year model | 2021 |
| Type | Enduro / offroad |
| Price as new | US$ 7399. MSRP depends on country, taxes, accessories, etc. |
| Rating | 2.8 Check out the detailed rating of off-road capabilities, engine performance, maintenance cost, etc. Compare with any other bike. |
| Engine and transmission | |
| Engine size | 124.8 ccm (7.62 cubic inches) |
| Type of engine | Single cylinder, two-stroke |
| Effect | 15.0 HP (10.9 kW)) |
| Bore x stroke | 54.0 x 54.5 mm (2.1 x 2.1 inches) |
| Fuel system | Injection |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Ignition | Kokusan EMS |
| Lubrication system | Wet sump |
| Cooling system | Liquid |
| Gearbox | 6-speed |
| Transmission type | Chain (final drive) |
| Clutch | Multi-plate clutch, Brembo hydraulics |
| Driveline | 5/8 x 1/4 (520) O Ring. Primary drive: 22:72. |
| Chassis, suspension, brakes and wheels | |
| Frame type | Central double-cradle-type 25CrMo4 steel |
| Rake (fork angle) | 26.1° |
| Front suspension | WP XACT-USD, Ø 48 mm |
| Front wheel travel | 310 mm (12.2 inches) |
| Rear suspension | WP XACT Monoshock with linkage |
| Rear wheel travel | 300 mm (11.8 inches) |
| Front tire | 110-17 |
| Rear tire | 150-17 |
| Front brakes | Single disc |
| Diameter | 260 mm (10.2 inches) |
| Rear brakes | Single disc |
| Diameter | 220 mm (8.7 inches) |
| Physical measures and capacities | |
| Dry weight | 87.5 kg (192.9 pounds) |
| Power/weight ratio | 0.1714 HP/kg |
| Seat height | 850 mm (33.5 inches) If adjustable, lowest setting. |
| Ground clearance | 375 mm (14.8 inches) |
| Fuel capacity | 7.50 litres (1.98 US gallons) |
| Other specifications | |
| Color options | White/Orange |
| Starter | Kick |
| Update specs | Report missing specs or required updates. |
| Further information | |
| Insurance costs | Compare US insurance quotes from the nation's top providers. |
| Parts finder | Check out our overview of motorcycle webshops at Bikez.info. |
| Maintenance | Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. |
| Ask questions | Join the 21 KTM 125 SX discussion group or the general KTM discussion group. |
| Related bikes | List related bikes for comparison of specs. |
| Compare with another motorcycle | |
Buying a bike starts at Bikez
Get a list of related motorbikes before you buy this KTM. Inspect technical data. Look at photos. Read the riders' comments at the bike's discussion group. And check out the bike's reliability, repair costs, etc. Show any 2021 KTM 125 SX for sale on our Bikez.biz Motorcycle Classifieds. You can also sign up for e-mail notification when such bikes are advertised in the future. And advertise your old MC for sale. Our efficient ads are free. You are also welcome to read and submit motorcycle reviews.| Rating sample for this KTM bike | |
Racing track capabilities for the 2021 KTM 125 SX:  (52.8 out of 100)Click here for complete rating. |
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