Gas Gas CONTACT ES 250



The Gas Gas CONTACT ES 250 was a Single-cylinder 2-stroke, liquid cooled Trial motorcycle produced by Gas Gas in 2017.

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Gas Gas CONTACT ES 250
Manufacturer
Production 2017
Class Trial
Engine
Single-cylinder 2-stroke, liquid cooled
Bore / Stroke 73.7mm x 73.7mm
Transmission Gear box: 6-Speed

Final Drive: Chain

Clutch: Hydraulic diaphragm system GG 1/3
Suspension Front: Progressive linkage system
Rear: Adjustable spring preload
Brakes Front: Single disc 185 mm NG WAVE floating, 4-piston caliper Braktec
Rear: Single disc 150 mm NG WAVE, 2-piston caliper Braktec
Front Tire 2.75 X 21
Rear Tire 4.00 X 18
Wheelbase 52.01 inches (1321 mm)
Length 79.09 inches (2009 mm)
Width 32.52 inches (826 mm)
Seat Height 25.98 inches (660 mm)
Weight 73.0 kg (wet)
Manuals Service Manual

EngineEdit

A 73.7mm bore x 73.7mm stroke result in a displacement of just 247.0 cubic centimeters.

DriveEdit

The bike has a 6-Speed transmission. Power was moderated via the Hydraulic diaphragm system GG 1/3.

ChassisEdit

It came with a 2.75 X 21 front tire and a 4.00 X 18 rear tire. Stopping was achieved via Single disc 185 mm NG WAVE floating, 4-piston caliper Braktec in the front and a Single disc 150 mm NG WAVE, 2-piston caliper Braktec in the rear. The front suspension was a Progressive linkage system while the rear was equipped with a Adjustable spring preload. The wheelbase was 52.01 inches (1321 mm) long.

2017 Gas Gas CONTACT ES 250Edit

     

The power out of the 250cc engine is ultra smooth and impossible to stall. The brakes work amazing and the clutch pull has almost zero resistance, yet still offers good feel, a must for slow-going trials riding. And the Contact is extremely light and easy to throw around.