BamX BX400-U4 Sierra 2012 - Specifications & Review

BX400-U4 Sierra

Article Complete Info

Articleid997396
CategoryATV
MakeBamX
ModelBX400-U4 Sierra
PriceUS$ 4999. Prices depend on country, taxes, accessories, etc.
Year2012

Chassis, Suspension, Brakes & Wheels

FrontbrakesDouble disc
FrontsuspensionDouble A-Arm
Fronttyre25/8-12
RearbrakesSingle disc
RearsuspensionSwing Arm
Reartyre25/10-12

Engine & Transmission

Borexstroke83.0 x 71.6 mm (3.3 x 2.8 inches)
Compression9.5:1
CoolingsystemOil & air
Displacement387.00 ccm (23.61 cubic inches)
DrivelineCVT Fully Automatic w/Reverse
EnginedetailsSingle cylinder, four-stroke
FuelsystemCarburettor
GearboxAutomatic
IgnitionCDI
LubricationsystemPressure/Splash
Power19.00 HP (13.9 kW))
Torque25.00 Nm (2.5 kgf-m or 18.4 ft.lbs) @ 5500 RPM
TransmissiontypefinaldriveShaft drive (cardan)

Other Specifications

ColoroptionsGreen camo, brown camo
ElectricalYTX-20BS battery.
Light12V35W/35W x 2, 12V5W x 2 (front)
StarterElectric

Physical Measures & Capacities

Dryweight266.3 kg (587.0 pounds)
Fuelcapacity13.50 litres (3.57 gallons)
Groundclearance254 mm (10.0 inches)
Oilcapacity1.70 litres (0.11 quarts)
Powerweightratio0.0714 HP/kg
Seatheight864 mm (34.0 inches) If adjustable, lowest setting.

About BamX BX400-U4 Sierra 2012

Introducing the 2012 BamX BX400-U4 Sierra, a formidable contender in the ATV market that combines rugged performance with user-friendly features, all at an attractive price point of $4,999. Designed for off-road enthusiasts and adventurers, the BX400-U4 Sierra stands out with its striking camouflage color options—green and brown—that allow it to blend seamlessly into the wilderness. With a focus on durability and versatility, this ATV is perfect for those looking to tackle challenging terrains or explore the great outdoors with confidence.

Under the hood, the BX400-U4 Sierra is powered by a robust 387cc single-cylinder, four-stroke engine that delivers a respectable 19 horsepower at 5,500 RPM and 25 Nm of torque. This combination ensures that riders can easily navigate steep inclines and rugged trails without sacrificing performance. The automatic gearbox and shaft drive system simplify the riding experience, allowing both seasoned riders and novices to enjoy smooth acceleration and effortless handling. The cooling system, utilizing oil and air, works to maintain optimal engine temperatures, ensuring reliability during extended rides. Whether you're cruising through muddy trails or conquering rocky paths, the BX400-U4 Sierra offers a nimble and responsive ride that won’t let you down.

Equipped with an array of features designed for comfort and safety, the BX400-U4 Sierra ensures a thrilling yet secure riding experience. The double A-arm front suspension and swing arm rear suspension offer a balanced ride, absorbing shocks from uneven terrain and providing excellent stability. Meanwhile, the double disc front brakes and single disc rear brakes deliver confident stopping power. With a generous ground clearance of 254 mm and an adjustable seat height of 864 mm, this ATV accommodates a wide range of riders, making it approachable for everyone. Plus, the electric starter adds convenience, allowing for quick and easy ignition on the go.

Pros:

  1. Powerful Engine: The single-cylinder, four-stroke engine provides excellent torque and horsepower, making it capable of tackling tough trails.
  2. User-Friendly Features: The automatic gearbox and electric starter enhance accessibility for riders of all skill levels.
  3. Comfortable Suspension System: The dual suspension setup ensures a smooth ride over rough terrain, contributing to overall rider comfort.

Cons:

  1. Weight: At 266.3 kg (587 pounds), the BX400-U4 Sierra may feel heavy for some riders, particularly during maneuvering.
  2. Limited Power-to-Weight Ratio: With a power-to-weight ratio of 0.0714 HP/kg, performance may lag compared to lighter, sportier models.
  3. Fuel Capacity: While the 13.5-liter tank is decent, extended trips might necessitate frequent refueling stops.

In summary, the 2012 BamX BX400-U4 Sierra is a compelling choice for those seeking a reliable, versatile ATV that excels in off-road conditions. With its blend of power, comfort, and thoughtful engineering, it opens up a world of exploration for adventurers ready to hit the trails.

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