Polini X1R: history, specs, pictures

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Polini X1R
Manufacturer
Also called X1R H2O
Production 2010 - 2016
Engine
single cylinder, two-stroke
Bore / Stroke 40.2mm x 39.3mm
Fuel System carburetor. cp polini ø19
Ignition electronic
Transmission Gear box: 4-speed

Final Drive: chain

Clutch: centrifuge
Suspension Front: 33 mm fork
Rear: adjustable paioli monoshock
Brakes Front: single disc
Rear: single disc
Front Tire 2.50-10
Rear Tire 2.75-10
Wheelbase 35.43 inches (900 mm)
Seat Height 24.8 inches (630 mm)
Weight 94.8 pounds (43.0 Kg) (dry),
Fuel Capacity 0.79 Gallon (3.00 Liters)
Manuals Service Manual


The Polini X1R H2O was a single cylinder, two-stroke standard produced by Polini between 2010 and 2016.

Engine[edit | edit source]

The engine was a liquid cooled single cylinder, two-stroke. A 40.2mm bore x 39.3mm stroke result in a displacement of just 49.8 cubic centimeters.

Drive[edit | edit source]

The bike has a 4-speed transmission. Power was moderated via the centrifuge.

Chassis[edit | edit source]

It came with a 2.50-10 front tire and a 2.75-10 rear tire. Stopping was achieved via single disc in the front and a single disc in the rear. The front suspension was a 33 mm fork while the rear was equipped with a adjustable paioli monoshock. The X1R H2O was fitted with a 0.79 Gallon (3.00 Liters) fuel tank. The bike weighed just 94.8 pounds (43.0 Kg). The wheelbase was 35.43 inches (900 mm) long.