Our well-loved MC 450F Factory Edition has received a tasty makeover for 2025! Besides the new and super cool Rockstar Energy graphics that our AMA Supercross and Pro Motocross team will run, there are a few notable, and spicy, changes too. You'll now find an FMF Factory 4.1 RCT silencer, Factory Racing Wheel Set, and ProTaper handlebars. All of which will be used on the race bike of Justin Barcia as he embarks on his fifth season with GASGAS. The Connectivity Unit and GPS sensor is retained from 2024 as the tech is just so good! Once they're both linked up to your smartphone you can create, save, and activate various engine maps as well as being able to record your lap times and see the fastest way around any race track. Trust us, the 2025 MC 450F Factory Edition is an incredible dirt bike...
Engine
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Primary drive 29:72
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Transmission 5-speed
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Battery capacity 2 Ah
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Cooling Liquid cooled
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Secondary gear ratio 13:51
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Starter Electric starter
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Stroke 63.4 mm
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Bore 95 mm
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Clutch Wet, DDS multi-disc clutch, Brembo hydraulics
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Compression ratio 13.6
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Displacement 449.9 cm³
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EMS Keihin EMS
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Design 1-cylinder, 4-stroke engine
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Fuel-mixture generation Keihin EFI, throttle body 44 mm
Chassis
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Weight (without fuel) 103.8 kg
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Tank capacity (approx.) 7 l
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Wheelbase 1.493 mm
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Front brake disc diameter 260 mm
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Rear brake disc diameter 220 mm
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Front brake Disc brake
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Rear brake Disc brake
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Chain 520, Non-sealed
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Frame design Central double-cradle-type 25CrMo4 steel
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Front suspension WP XACT-USD, Ø 48 mm
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Ground clearance 343 mm
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Handlebar Pro Taper, Aluminium Ø 28/22 mm
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Rear suspension WP XACT Monoshock with linkage
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Seat height960 mm
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Silencer Titanium
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Steering head angle 63.9 °
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Rear subframe design Aluminium
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Suspension travel (front) 310 mm
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Suspension travel (rear) 300 mm
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Tyre dimensions (front/rear) 80/100; 120/80
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Wheels 1.60 x 21"; 2.15 x 19"
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Wheelbase 1.493 ± 10 mm
