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F77
Ultraviolette F77 vs Yezdi Roadster vs Ather 450S




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  • 450S Standard

  • F77 Original

  • Roadster Dark Smoke Grey - Inferno Red - Glacial White

Power & Performance
Fuel Type Electric Electric Petrol
Max Power 5400 W 27000 W 29.29 bhp @ 7300 rpm
Max Torque 22 Nm 85 Nm 29 Nm @ 6500 rpm
Emission Standard -- Not Applicable BS6
Cylinders -- -- 1
Bore-- -- 81 mm
Valves Per Cylinder -- -- 4
Stroke -- -- 65 mm
Displacement(cc) -- -- 334
Spark Plugs -- -- 1 Per Cylinder
Ignition -- -- Digital
Compression Ratio -- -- 11:01
Cooling System -- -- Liquid Cooled
Transmission Automatic Automatic 6 Speed Manual
Transmission Type -- -- Chain Drive
Gear Shifting Pattern -- -- 1 Down 5 Up
Clutch -- -- Wet Multidisc
Fuel Delivery System -- -- Fuel Injection
Fuel Tank Capacity -- -- 12.5 litres
Reserve Fuel Capacity -- -- 2.5 litres
Riding Range 115 Km 206 km 362.5 Km
Mileage Owner Reported -- -- 29 kmpl
Top Speed 90 Kmph 140 kmph 140 Kmph
Company Claimed Mileage -- -- --
Wheels & Suspension +
Braking System CBS Dual Channel ABS Dual Channel ABS
Front Brake Type Disc Disc Disc
Front Brake Size 200 mm 320 mm 320 mm
Rear Brake Type Disc Disc Disc
Rear Brake Size 190 mm 230 mm 240 mm
Calliper Type Front - 3 Piston, Rear - Single Piston Caliper Front - 4 Piston, Rear - 1 Piston Floating Calliper
Wheel Type Alloy Alloy Alloy
Front Wheel Size 12 inch 17 inch 18 inch
Rear Wheel Size 12 inch 17 inch 17 inch
Front Tyre Size 90/90 - 12 110/70 - R17 100/90 18” Tubeless
Rear Tyre Size 90/90 - 12 150/60 - R17 130/80 17” Tubeless
Tyre Type Tubeless Tubeless Tubeless
Radial Tyres -- Yes No
Front Tyre Pressure (Rider) -- -- 28 psi
Rear Tyre Pressure (Rider) -- -- 30 psi
Front Tyre Pressure (Rider & Pillion) -- -- 28 psi
Rear Tyre Pressure (Rider & Pillion) -- -- 32 psi
Front Suspension Telescopic forks Upside-down Telescopic fork with a diameter of 41 mm Telescopic Forks
Rear Suspension Symmetrically mounted progressive monoshock Monoshock - Preload Adjustable Twin shock absorbers with gas canister
Dimensions +
Kerb Weight 108 kg 197 kg 184 kg
Overall Length 1891 mm 1967 mm --
Overall Width 739 mm 750 mm --
Overall Height 1114 mm 930 mm --
Wheelbase 1296 mm 1340 mm 1440 mm
Ground Clearance 170 mm 160 mm
Seat Height 780 mm 800 mm 790 mm
Chassis Type Precision machined hybrid chassis Split Trellis with Motor mount as a stressed member Double Cradle
Features +
Odometer -- Digital Digital
DRLs (Daytime running lights) Yes Yes Yes
Mobile App Connectivity Yes Yes No
GPS & Navigation Yes Yes No
USB charging port -- No No
Front storage box No No No
Under seat storage 22 ltr No No
AHO (Automatic Headlight On) -- -- Yes
Speedometer Digital Digital Digital
Fuel Guage -- -- Yes
Tachometer -- No Digital
Stand Alarm Yes Yes Yes
No. of Tripmeters 2 3 2
Tripmeter Type Digital Digital Digital
Low Fuel Indicator -- -- Yes
Low Oil Indicator -- -- Yes
Low Battery Indicator Yes Yes Yes
Pillion Seat Yes Yes Yes
Start Type -- Electric Start Electric Start
Shift Light No No Yes
Clock Yes Yes Yes
Electric System -- -- --
Battery -- -- MF Battery
Headlight Type LED LED LED Head Lamp
Brake/Tail Light LED LED LED Tail lamp
Turn Signal LED LED Yes
Pass Light Yes Yes Yes
Additional Features Riding Models : Smart Eco, Eco, Ride, Sport -- Fuel Warning Indicator
Manufacturer Warranty 3 Year --
Battery Charging Time 8.3 Hrs 8 hrs --
Rated Power -- -- --
Fast Charging Time -- 3.5 --
Carrying Capacity -- -- --
Battery Capacity 2.9 kWh 7.1 kWh --
Battery Type Lithium-ion SRB7 --
Motor Type PMSM Permanent Magnet AC Motor --
Charger Output -- 1.3 kW, 3kW --
Regenerative Breaking Yes -- --
Reverse Mode -- Yes --
Touch Screen Display -- No --
Central Locking System -- No --
Artificial Sound No No --
Parking Assist Yes Yes --
Hill Assist -- No --
Anti Theft System Yes Yes --
Geo Fencing -- -- --
Start Stop Button Yes Yes --
Rating +
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Colors +
Colors
Salt Green
Cosmic Black
Space Grey
Still White
Air Strike
Shadow
Laser
White
Chrome Gallant Grey
Chrome Sin Silver
Crimson Dual Tone
Glacial White
Hunter Green
Inferno Red
Smoke Grey
Steel Blue
Rush Hour Red DT
Shadow Grey
Lunar White DT
Forest Green DT

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