Engine and transmission
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Engine type: | 1 cylinders, 2-stroke, Single |
Displacement: | 249 cc (15.21 cubic inches) |
Bore × stroke: | 2.61 inch × 2.83 inch (undersquare - longstroke) |
Cooling system: | Water cooled |
Power: | 58.19 HP (42.8 kW) @ 9000 rpm |
Torque: | 50.5 Nm (37.25 lb-ft) @ 8000 rpm |
Valves | |
Valve train: | Reed valve, variable |
Fuel and ignition | |
Sparks per cylinder: | 1 |
Fuel supply system: | Carburetor |
Ignition type: | Digital CDI |
Funnel diameter: | 1.5 inch |
Compression: | 10.5:1 |
Engine mounting: | Transverse |
Lubrication system: | Mixture |
Gear box: | Manual 5-speed |
Clutch: | Wet, multiple discs, cable operated |
Final drive: | Chain |
Spark plug pipe type: | NGK, BR8EVX |
Motor oil: | Synthetic, 2T |
Starter: | Kick-starter |
Dimensions
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Physical measures | |
Length: | 86 inch |
Width: | 32.1 inch |
Height: | 49.8 inch |
Wheel base: | 58.3 inch |
Trail: | 4.1 inch |
Ground clearance: | 13.39 inch |
Seat height: | 38 inch |
Weight | |
Curb weight: | 231.5 lbs |
Dry weight: | 213.8 lbs |
Chassis and suspension
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Frame type: | aluminium, Double cradle frame |
Front | |
Suspension: | Cartridge - upside-down |
Suspension travel: | 11.81 inch |
Fork angle: | 26° |
Brake: | Single Disk, Ø9.84 inch |
Tire: | 80 / 90 R21 M |
Tire pressure: | 0.1 PSI |
Rear | |
Suspension: | mono shock, Swingarm |
Suspension travel: | 12.2 inch |
Brake: | Disk, Ø9.45 inch |
Tire: | 110 / 90 R19 M |
Tire pressure: | 0.1 PSI |
Other
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ABS available: | No |
Power-to-weight ratio: | 0.41 KW/lbs (2.45 lbs/HP) |
Fuel capacity: | 2.2 gals |
Number of riders: | 1 person |
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Water cooled, 249cc, Single, 2-stroke, Reed valve |
Water cooled, 293cc, Single, 2-stroke, Reed valve |
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Water cooled, 249cc, Single, 2-stroke, Reed valve |
Water cooled, 293cc, Single, 2-stroke, Reed valve with power valve |
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Water cooled, 249cc, Single, 2-stroke, Reed valve |
Water cooled, 249cc, Single, 2-stroke, Reed valve |
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Water cooled, 249cc, Single, 2-stroke, Reed valve with power valve |
Water cooled, 249cc, Single, 2-stroke, Reed valve |
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Air cooled, 247cc, Single, 2-stroke, Reed valve |
1971 Montesa 250 King Scorpion Air cooled, 248cc, Single, 2-stroke, Piston controlled inlet port |