Key performance
Technical specifications
Engine
- Displacement
- 249 cc
- Power
- 17.5 ch @ 5000 tr/min (12.8 kW)
- Torque
- 26.0 Nm @ 4000 tr/min
- Engine type
- Single cylinder, two-stroke
- Bore × stroke
- 72.2 x 61.0 mm (2.8 x 2.4 inches)
- Fuel system
- Carburettor
Chassis
- Gearbox
- 5-speed
- Final drive
- Chain (final drive)
- Front wheel travel
- 180 mm (7.1 inches)
- Rear wheel travel
- 150 mm (5.9 inches)
Brakes
- Front brakes
- Single disc
- Rear brakes
- Single disc
Dimensions
- Seat height
- 650.00 mm
- Wheelbase
- 1330.00 mm
- Fuel capacity
- 2.70 L
- Dry weight
- 73.00 kg
Overview
One might wonder what the point of a 250 cm³ motorcycle developing barely 17 horsepower and equipped with a tank of less than three liters is. The answer is simple: this Montesa Cota 315 R was never designed to go far or fast. It was built to dance in place, to conquer the impossible, and to laugh at asphalt. In 2001, this purebred trials bike embodied the culmination of a philosophy where every gram counts and every Newton-meter is precious.

Its 249 cm³ two-stroke single-cylinder engine is a study in minimalism. With 26 Nm of torque available from 4000 rpm, it doesn't offer an explosion of power, but a linear and perfectly controllable delivery. This engine breathes through a carburetor, a mechanical simplicity that is reassuring when the boots are in the mud and the landscape is standing straight up. The five-speed transmission and final chain are there for serious work, not for top speeds, which, in any case, are not part of the vocabulary of this machine.
With a dry weight announced at 73 kg for a wheelbase of 1330 mm, the geometry of the Cota 315 R is that of an agile insect. A seat height of 65 cm may seem intimidating on paper, but it is necessary to clear obstacles without snagging the frame. This featherweight, combined with a meticulous weight distribution, allows for instantaneous shifts in support. The braking, ensured by a simple disc at each wheel, is sized to offer metered control rather than a brutal stop.
Compared to its contemporaries such as the Gas Gas or Beta of the time, the Montesa stands out with its careful finish and a rigor of design that betrays its heritage. The bore and stroke of 72.2 x 61 mm give this two-stroke a willing character at low speeds, where the trials rider needs progressiveness. The 2.7-liter tank recalls that range is measured in hours of extreme concentration, not in kilometers.
This motorcycle is not for the road rider, the track rider, or even the Sunday trail rider. The Cota 315 R is a precision tool, an extension of the body for the trials practitioner. It demands technique, patience, and humility that few motorcycle disciplines require. It is a school on two wheels, a lesson in physics and balance that, once mastered, offers a freedom of movement that is almost absolute. For those who understand its language, there is no more accomplished machine.
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