Giantco Dolphin Twin 50: history, specs, pictures

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Giantco Dolphin Twin 50
Manufacturer
Production 2009
Engine
single cylinder, four-stroke
Bore / Stroke 39.0mm x 41.5mm
Horsepower 3.35 HP (2.5 KW) @ 8000RPM
Torque 2.21 ft/lbs (3.0 Nm) @ 6500RPM
Transmission Final Drive: belt
Suspension Front: oil damped telescopic fork
Rear: oil damped coil spring
Brakes Front: single disc
Rear: expanding brake (drum brake)
Front Tire 3.50-10
Rear Tire 3.50-10
Wheelbase 51.77 inches (1315 mm)
Length 73.82 inches (1875 mm)
Width 28.94 inches (735 mm)
Height 41.73 inches (1060 mm)
Weight 154.32 pounds (70.0 Kg) (dry),
Fuel Capacity 1.11 Gallon (4.20 Liters)
Manuals Service Manual


The Giantco Dolphin Twin 50 was a single cylinder, four-stroke standard produced by Giantco in 2009. Max torque was 2.21 ft/lbs (3.0 Nm) @ 6500 RPM. Claimed horsepower was 3.35 HP (2.5 KW) @ 8000 RPM.

Engine[edit | edit source]

The engine was a air cooled single cylinder, four-stroke. A 39.0mm bore x 41.5mm stroke result in a displacement of just 49.5 cubic centimeters. Fuel was supplied via a single overhead cams (sohc).

Chassis[edit | edit source]

It came with a 3.50-10 front tire and a 3.50-10 rear tire. Stopping was achieved via single disc in the front and a expanding brake (drum brake) in the rear. The front suspension was a oil damped telescopic fork while the rear was equipped with a oil damped coil spring. The Dolphin Twin 50 was fitted with a 1.11 Gallon (4.20 Liters) fuel tank. The bike weighed just 154.32 pounds (70.0 Kg). The wheelbase was 51.77 inches (1315 mm) long.