autoevolution

Segment: Trial

The OSSA Explorer 250 is probably the reference bike in the segment of the trial-tip.

To achieve this, they didn’t simply add a “kit” to the base of the TRi but designed an entire subframe, refined ergonomics including a large comfortable seat and specific footrests, and a large fuel tank that, in combination with its efficient fuel-injected engine, provide an excellent range. To achieve this, they didn’t simply add a “kit” to the base of the TRi but designed an entire subframe, refined ergonomics including a large comfortable seat and specific footrests, and a large fuel tank that, in combination with its efficient fuel-injected engine, provide an excellent range. The 2015 model gets a new Olle front fork carefully adjusted for the use of the Explorer, along with all the engine and frame optimizations of its trials sister.

OSSA EXPLORER 250 2015 - Present
OSSA EXPLORER 250 2015 - Present

OSSA EXPLORER 250 250

engine specs
Type
Two-stroke single cylinder inverted admission direct reed crankcase
Displacement
247.7 cm3
Bore X Stroke
2.9x2.4 in OR 74 mm
Compression Ratio
-
Horsepower
-/- KW(hp)/RPM
Torque
0/- lb-ft/RPM OR 0 Nm/RPM
Fuel System
EFI Kokusan Battery-less System
transmission specs
Gearbox
6-Speed
Clutch
Hydraulic
Primary Drive
Gears
Final Drive
Chain
chassis specs
Frame
Tubular profile CR-Mo steel with pipe of cast aluminum and forged aluminum lower
Front Suspension
Olle hydraulic fork with 40 mm sliders. Adjustable rebound and compression damping
Rear Suspension
Progressive hydraulic monoshock Olle with adjustable preload
Front Brake
Disc diameter 185 mm 4-piston calliper
Rear Brake
Disc diameter 180 mm 2-piston calliper
dimension specs
Overall Length
-
Overall Width
-
Seat Height
32.3 in OR 820 mm
Weelbase
52.3 in OR 1328 mm
Ground Clearance
13.4 in OR 340 mm
Weight
175 lbs OR 79 kg
Fuel Capacity
2 gallons OR 7.6 L
tyres specs
Front
2.75 x21
Rear
4.00 x18
power system specs
Power pack
-
Nominal Capacity
-
Maximum Capacity
-
Charger type
-
Charging time (normal)
-
Charging time (quick)
-
Range
-
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