Key performance
Technical specifications
Engine
- Displacement
- 100 cc
- Power
- 8.0 ch @ 8500 tr/min (5.8 kW)
- Torque
- 8.0 Nm @ 6000 tr/min
- Engine type
- Single cylinder, four-stroke
- Bore × stroke
- 52.4 x 49.5 mm (2.1 x 1.9 inches)
- Fuel system
- Carburettor
- Starter
- Electric & kick
Chassis
- Front suspension
- Hydraulic
- Rear suspension
- Hydraulic
Brakes
- Front brakes
- Expanding brake (drum brake)
- Rear brakes
- Expanding brake (drum brake)
- Front tyre
- 2.50-18
- Rear tyre
- 2.75-18
Dimensions
- Wheelbase
- 1300.00 mm
- Ground clearance
- 170.00 mm
- Length
- 1910.00 mm
- Width
- 720.00 mm
- Height
- 1070.00 mm
- Fuel capacity
- 11.00 L
- Dry weight
- 100.00 kg
Overview
Seeking an urban myth on two wheels? The Monto Motors Cosmo Blaster of 2011 is a living one, or almost. This machine from another age, with its 100 cc four-stroke single-cylinder engine and its 8 horsepower released at 8500 rpm, seems to have come straight from a catalog of a country that no longer exists. It embodies a philosophy of absolute simplicity, where the competition was already pushing towards injection and aggressive plastics.

Its engine is a lesson in mechanical modesty. A bore of 52.4 mm for a stroke of 49.5 mm gives an almost square architecture, designed for robustness rather than high revs. The 8 Nm of torque at 6000 rpm is the only language it knows: a linear and unsurprising thrust, sufficient to reach its 80 km/h top speed without ever shaking the speedometer. Carburetor fuel delivery and air cooling complete a picture of elementary mechanics, the opposite of modern electronic complexities.
The equipment follows the same logic of austerity. Front and rear drum brakes require a sidecar driver’s anticipation, and the hydraulic suspensions are there to absorb the essentials, not to flatter. The 2.50-18 tire at the front and its 2.75-18 counterpart at the rear, on spoked rims, announce direct, to say the least brutal, sensations. With an 11-liter tank and a dry weight of 100 kilos, autonomy and maneuverability are its only quantifiable assets, compensating for a wheelbase of 1300 mm, quite long for its category.
The Cosmo Blaster does not target the timid beginner frightened by power, nor the rider seeking thrills. It is aimed at the pure user, the one for whom a motorcycle is a functional, economical object, and one that can be repaired by the side of the road with three tools. In a world obsessed with performance and design, its presence is an act of quiet, almost political resistance. It doesn’t make you dream, it simply makes possible, and that may be its greatest virtue.
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