2006 Suzuki QUADRACER LT-R450


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The off-road racing world is about to get shaken up big time. Introducing the all-new Suzuki QuadRacer LT-R450. It has an aggressive, low and wide stance and stunning styling that lets everybody know it's engineered to provide race-winning performance right off the dealer's floor.

With a fuel-injected 450cc four-stroke powerplant based on the championship-winning Suzuki RM-Z450, the QuadRacer LT-R450 rewards you with blazing acceleration out of corners, matched by a flat-out sensational top-end performance. It's also designed to handle the nastiest tracks and come back for more. It has a technically advanced chassis and responsive, long-travel suspension front and rear, so you can choose you line and go for it.

There's even more good news. The QuadRacer LT-R450 is not only race-ready, it's also designed to shatter the myth that high performance has to be high priced.

So don't just race - race to win. With the all new Suzuki QuadRacer LT-R450.

New Engine
  • All new four-stroke, single cylinder, fuel injected, liquid cooled, DOHC. Four valve engine designed to be compact, lightweight and provide incredible performance
  • Innovative Suzuki Advanced Sump System allows the engine mass and crankshaft to be positioned close to the ground for a low center of gravity and also keeping the engine as short as possible
  • Aluminum cylinder bore is electro-plated with Suzuki's own race proven SCEM (Suzuki Composite Electrochemical Material for improved heat transfer, lightweight and tighter piston clearance
  • Lightweight magnesium clutch cover, magneto cover, and cylinder head cover for minimal weight and maximum durability
  • Lightweight and durable titanium valves are used for precise valve control at high rpm and reduced reciprocating mass. Titanium intake valves measure 36mm and 29mm on the exhaust
  • Lightweight forged aluminum pistons use a new 3 ring design with cutaway sides, oil retaining grooves for reduced friction and the oil control ring features a high performance chrome nitride plating for less friction and improved strength
  • New five speed transmission is exceptionally compact with larger 1st and 2nd gears mounted outboard while the 3rd, 4th and 5th gears are mounted inside for a compact engine layout and superb handling
  • The LT-R450 utilizes a convenient electric starter for easier starts with a kick starter available as an optional kit
  • A new high capacity radiator is used to handle the high performance engine output combined with a compact and lightweight, ring type cooling fan for maximum effeciency
  • Advanced and lightweight electronic fuel injection system with a 42mm bore and multi hole type injector for optimum atomization, smooth throttle response and maximum performance
  • New cylinder head features a narrow included valve angle creating a compact cylinder head design, compact combustion chamber and featuring 12.0:1 compression ratio for maximum performance
  • High peformance ECM utilizes a high spec 16 bit CPU for quick fuel injection calculations and is designed to compact and lightweight
  • All new stainless steel center exhaust system utilizes a compact centrally located muffler layout for improved mass centralization, improved stability, and higher cornering performance
New Chassis
  • All new high-tensile steel frame designed for optimum rigidity, maximum durability and features a compact and lower profile for a lower center of gravity and unmatched cornering performance
  • New race-ready steel rear swingarm providing 3 times more flexibility and a smoother arc of movement for optimum handling perfomance in any environment
  • All new wider independent double wishbone front suspension with fully adjustable Kayaba piggyback reservoir style front shocks featuring 40mm pistons and a sturdy 14mm shock rod for superb damping and incredible performance
  • Kayaba rear shock features adustable high and low speed compression, rebound and preload with a 50mm piston, 18mm rod and piggyback reservoir design providing 290mm of rear wheel travel
  • Special Dunlop radial tires designed specifically for the LT-R450 combined with smaller 10 x 5.5 inch aluminum rear wheels and 18 x 10 inch aluminum front wheels for a lower center of gravity and superb cornering stability
  • High peformance dual hydraulic front disc brakes with 160mm front rotors and a single hydraulic rear brake caliper mounted on a forged aluminum mounting bracket and a 190mm rear disc
  • Rugged Serrated large footpegs provide excellent grip and control
  • Aggressive new styling highlights the high performance nature of the QuadRacer R450. The LT-R450 is styled with a low and wide profile to further emphasize the lightweight performance intent of the machine
  • The LT-R450 has a GSX-R and Hayabusa inspired multi-reflector headlight that is easily removable with a single bolt and an ultra compact LED tailight at the rear
  • Aggressively styled radiator shrouds, front and rear fenders, and T-shaped seat provide a sharp new look and maximum rider mobility for the control



Engine Type
4-stroke, DOHC, 4-valve
450 cc
Bore x Stroke
95.5 x 62.8 mm
Engine Cooling
Fuel System
Fuel Injection
Starting System


Front Suspension
Independent, double A-arm, fully adjustable preload, compression & rebound damping
Front Brake Type
Dual hydraulic discs
Front Tires
AT20 x 7 R10
Rear Suspension
Linkage-type, gas/oil damped, fully adjustable spring preload, adjustable compression and rebound damping
Rear Travel
11.4 in.
Rear Brake Type
Single hydraulic disc
Rear Tires
AT18 x 10 R8
High-tensile steel frame


Dry Weight
368 lbs.
Fuel Capacity
2.6 gal.
Ground Clearance
9.44 in.
Machine Dimensions (LxWxH)
72.6" x 49.0" x 42.7"
50.6 in.

Drive Train

Final Drive
5-speed constant mesh


multi-reflector headlight, ultra compact LED tailight
Yellow, White