The KTM RC 125 motorcycle specifications include a 124.7 cc (7.61 cu in) engine, power of 15 hp (10.9 kW), a 6-speed gearbox, and a listed weight of 135 kg (297.6 lb).
Key specifications
2014, 2015, 2016, 2017, 2018, 2019, 2020, 2022, 2023Model years
125 ccDisplacement
15 hpPower
135 kgDry weight
820 mmSeat height
10 LFuel tank
1,210 mmWheelbase
179 mmGround clearance
Model years covered
201420152016201720182019202020222023
Year-specific specification changes
The 2014 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
Displacement
20202023125 cc (7.63 cu in)
Dry weight
2020139 kg (306.4 lb)
20222023147 kg (324.1 lb)
Frame
20162022Steel trellis frame, powder coated
2023Steel trellis, powder coated
Front brakes
20172020Single disc. ABS. Four-piston calipers.
20222023Single disc. ABS. Four-piston radial fixed calliper.
Front suspension
20162020WP upside-down Ø 43 mm
20222023WP APEX 43
Front tire
2018110/70-R17
20192023110/90-R17
Rear brakes
20172020Single disc. ABS. Floating disc. Single-piston caliper.
20222023Single disc. ABS. Single-piston floating calliper.
Rear suspension
20162020WP monoshock
20222023WP APEX – Monoshock
Rear tire
2018150/60-R17
20192023150/70-R17
Wheelbase
201620231,340 mm (52.8 inches)
Clutch
20162023Wet multi-disc clutch, mechanically actuated
Front wheel travel
20202023120 mm (4.7 inches)
Fuel capacity
20209.50 L (2.51 US gal)
2022202313.70 L (3.62 US gal)
Ground clearance
20222023158 mm (6.2 inches)
Ignition
20162023Bosch EMS
Lubrication
20162023Wet sump
Power/weight ratio
20200.1079 hp/kg
202220230.1020 hp/kg
Seat height
20222023824 mm (32.4 inches)
Mechanical overview
Engine layout snapshot
Single cylinder, four-stroke • 125 cc • Liquid cooled • 15 hp
Chassis snapshot
Wheelbase 1,210 mmSeat 820 mmClearance 179 mm
6-speed • Chain (final drive) • 95/75-R17 front / 115/75-R17 rear
Additional useful specifications
| Front tire size | 95/75-R17 |
|---|---|
| Rear tire size | 115/75-R17 |
| Power-to-weight ratio | 0.111 hp/kg |
| Power-to-weight | 111.1 hp/tonne |
| Specific power | 120.3 hp/L |
| Bore/stroke ratio | 1.23:1 (Oversquare) |
Model information
| Category | Sport |
|---|
Engine specifications
| Engine type | Single cylinder, four-stroke |
|---|---|
| Displacement | 124.7 cc (7.61 cu in) |
| Power | 15 hp (10.9 kW) |
| Bore × stroke | 58.0 x 47.2 mm (2.3 x 1.9 inches) |
| Compression ratio | 14.5:1 |
| Cooling system | Liquid |
| Fuel system | Injection |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Ignition | Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment |
| Starter | Electric |
| Lubrication | Forced oil lubrication with 1 Eaton pump |
Transmission and drivetrain
| Gearbox | 6-speed |
|---|---|
| Final drive | Chain (final drive) |
| Clutch | Wet multi-disc clutch / mechanically operated |
Chassis and suspension
| Frame | Tubular space frame made from steel tubes, powder-coated |
|---|---|
| Front suspension | WP Suspension 4357 |
| Rear suspension | WP Suspension 4618 EM |
| Front wheel travel | 125 mm (4.9 inches) |
| Rear wheel travel | 150 mm (5.9 inches) |
| Rake | 23.5° |
Brakes, wheels and tires
| Front brakes | Single disc. Four-piston calipers. |
|---|---|
| Rear brakes | Single disc. Floating disc. Single-piston caliper. |
| Front tire | 95/75-R17 |
| Rear tire | 115/75-R17 |
Dimensions and weight
| Dry weight | 135 kg (297.6 lb) |
|---|---|
| Seat height | 820 mm (32.3 inches) |
| Wheelbase | 1,210 mm (47.6 inches) |
| Ground clearance | 179 mm (7.0 inches) |
Fuel and emissions
| Fuel capacity | 10.00 L (2.64 US gal) |
|---|
Performance
| Power/weight ratio | 0.1111 hp/kg |
|---|
Electrical and instruments
| Electrical | External starter / 12 V 0.8 Ah battery. |
|---|
Other specifications
| Color options | Black/orange |
|---|
Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from KTM models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official KTM information before relying on them. Visit the official KTM website.