2006 Suzuki LT-R450 QuadRacer – Race-Bred Four-Stroke Sport ATV
The 2006 Suzuki LT-R450 QuadRacer marked Suzuki’s bold return to the high-performance sport ATV market and quickly became one of the most competitive factory-built quads of its time. Designed with direct input from professional motocross racers, the LT-R450 was engineered to dominate the track while remaining capable for aggressive recreational riding. With advanced chassis design, strong four-stroke power, and championship-winning pedigree, the 2006 QuadRacer remains a standout in the sport ATV world.
Powering the 2006 Suzuki LT-R450 QuadRacer is a 450cc liquid-cooled, four-stroke single-cylinder engine featuring dual overhead cams (DOHC) and four valves. This engine delivers smooth yet aggressive power across a broad RPM range, offering strong low-end torque, a responsive midrange, and impressive top-end performance. Unlike older two-stroke machines, the QuadRacer provides controllable power that allows riders to maintain traction and momentum on technical tracks and challenging terrain.
Fuel delivery is handled by a Keihin FCR carburetor, known for its crisp throttle response and racing reliability. The engine is paired with a 5-speed manual transmission and a manual clutch, giving riders complete control over power delivery. This setup makes the 2006 QuadRacer ideal for both competitive racing and high-performance trail riding.
One of the defining features of the 2006 Suzuki LT-R450 QuadRacer is its lightweight aluminum frame. At the time of its release, this chassis design set new standards for rigidity and weight reduction in sport ATVs. The aluminum frame enhances handling precision, improves cornering stability, and provides excellent feedback to the rider. Its low center of gravity and balanced weight distribution contribute to the QuadRacer’s planted and predictable feel at high speeds.
The suspension system on the 2006 LT-R450 QuadRacer is fully race-ready. It features fully adjustable front and rear shocks, allowing riders to fine-tune compression, rebound, and preload to match track conditions or riding preferences. This advanced suspension setup delivers excellent bump absorption, stability through whoops, and confidence-inspiring control during jumps and aggressive cornering.
Braking performance is provided by hydraulic disc brakes on all four corners, delivering strong, consistent stopping power. The braking system is well-matched to the QuadRacer’s performance capabilities, allowing riders to brake late into corners with confidence during racing or spirited riding sessions.
Ergonomics on the 2006 Suzuki LT-R450 QuadRacer were carefully designed with competition in mind. The narrow bodywork, flat seat profile, and strategically positioned footpegs allow riders to move freely and maintain proper body positioning. This rider-focused layout reduces fatigue and improves control during long motos or extended riding.
Styling on the 2006 QuadRacer reflects its race-bred DNA. Sharp body lines, bold graphics, and an aggressive stance give it a purpose-built appearance. The exhaust and intake layout are optimized for performance while contributing to the quad’s muscular look.
Another major strength of the 2006 Suzuki LT-R450 QuadRacer is its strong aftermarket support. Performance exhaust systems, engine tuning components, suspension upgrades, wheels, tires, and protective accessories are widely available. This makes the QuadRacer a popular choice for motocross racing, cross-country competition, and performance-focused trail riding.
The LT-R450 QuadRacer also achieved significant success in professional racing, earning championships in AMA ATV Motocross competition. This racing success cemented its reputation as a true factory-built race machine and adds to its lasting appeal among enthusiasts.
Today, the 2006 Suzuki LT-R450 QuadRacer remains a highly respected sport ATV for riders seeking a powerful, competitive four-stroke quad with proven racing heritage. Its combination of advanced engineering, precise handling, and strong aftermarket support ensures it continues to be a favorite in the sport ATV community.
Whether you’re looking for a track-ready racer, a high-performance recreational ATV, or a piece of ATV racing history, the 2006 Suzuki LT-R450 QuadRacer delivers championship-level performance and unmistakable Suzuki engineering.













