Honda RS125R

Last updated
Honda RS125R
Honda RS125R 2001.jpg
Manufacturer Honda Racing Corporation
Production1980-2011
Predecessor Honda MT125R
Successor Honda NSF250R
Engine 125 cc two-stroke single
Transmission constant-mesh sequential manual

The Honda RS125R was a 125 cc two-stroke Grand Prix racing motorcycle manufactured by Honda Racing Corporation for racing purposes only. [1]

It debuted in 1980, racing in the All Japan Road Race Championship.

In 1987 a redesigned version was entered in the World Championship ridden by Ezio Gianola; since 1988 the new bikes were manufactured also for customer teams.

The Honda RS125R has won nine World Championship titles for riders, with Loris Capirossi, Dirk Raudies, Haruchika Aoki, Emilio Alzamora, Dani Pedrosa, Andrea Dovizioso and Thomas Lüthi, while Honda was crowned Constructors' World Champion eleven times.

1995 Honda RS125R specifications

ModelRS125R
TypeJR01
Length × width × height1800 mm × 570 mm × 995 mm
Wheelbase 1215 mm
Ground clearance 110 mm
Seat height700 mm
Caster angle 23° 30'
Weight (semi dry)71.5 kg
Engine type Liquid cooled two stroke single
Displacement 124 cc
Bore and stroke 54 × 54.5 mm
Max power
  • 32.3 / 12250 (kw/RPM)
  • [44/12250] (ps/RPM)
Max torque
  • 24.5 / 12255 (Nm/RPM)
  • [2.5 / 12250] (kgf•m/RPM)
Carburetor Keihin PJ35 (TH sensor & PWJ)
Ignition Digital CDI
Transmission 6-speed constant-mesh sequential manual
Clutch Wet multi-plate
Fuel tank capacity14 liter
Engine oil capacity0.5 liter
Frame type Aluminum twin-tube
Brake
  • Front : 296 mm single disc
  • Rear : 186 mm single disc
Wheel
  • Front : 2.50-17
  • Rear : 3.50-17
Suspension

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