Built to conquer the toughest trails and dunes, the KX300R EFI – Reaper roars with a powerful 312cc engine and rock-solid reliability. This is our largest GY6 race engine, Fuel injected and Water Cooled. From its agile handling to its fierce torque, this 2-seater buggy knows how to deliver heart-pounding excitement on every off-road adventure. Trust it for epic weekender runs or day-to-day tasks—either way, you’ll feel unstoppable.
Property owners needing a rugged runabout for paddock or farm use
DIY builders and customisers looking for a capable platform with plenty of upgrade potential
Families and youth groups who value reliability, safety, and easy handling
Why riders choose it
Adaptive power: 312cc Fuel Injected engine with Automatic forward/reverse Gearbox offers smooth torque on demand
Built-in safety: 4-point harnesses, adjustable speed governor, and emergency kill switch for extra peace of mind
Complete comfort: Fully independent rear suspension and padded seats make every ride smoother
Rugged durability: Alloy wheels, sturdy chassis, and proven components for off-road reliability
Long-term support: Backed by HelmetKarts’ extensive spare parts, upgrades, and community know-how
Specifications
Spec
Value
Model
KX300R – Reaper
Engine Capacity
Fuel Injected 312cc Water-Cooled
Transmission
Automatic (Forward & Reverse)
Power Output
22 HP / 15.8 kW @ 7800 RPM
Top Speed
Up to 60 km/h
Max Load
450 kg
Fuel Capacity
7 L (Unleaded)
Suspension
Full Rear Independent
Brakes
Hydraulic Ventilated Disc (Front/Rear)
Wheels & Tyres
22" Front (25x8-12), 22" Rear (25x10-12)
Seat & Harness
Adjustable Seat with 4-Point Safety Harness
Pedal-to-Seat Distance
860 mm – 950 mm
Dimensions (L×W×H)
2420 × 1680 × 1550 mm
Net Weight
340 kg
Wherever you are in Australia, the KX300R – Reaper is ready to arrive at your doorstep and deliver peak off-road performance. Engineered with HelmetKarts’ commitment to quality and ongoing support, it's the ideal choice for riders who demand power, safety, and a lasting partnership with their UTV.
