New Engine:
New ECU programming and updated cam profiles for increased engine output especially at low-to-mid rpm range.
New countershaft for improved gear shift feel .

New Chassis:
Rubber mounted handlebars and textured seat for increased rider comfort and control.
Front and rear suspension on this 2008 atv have new Kashima coating for reduced friction and smooth performance.
Updated front and rear suspension settings with larger rear tires and updated swingarm rigidity balance for improved handling and better shock absorbtion.

Engine
Race proven 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.
Five speed transmission is exceptionally compact for a compact engine layout and superb handling.
The LT-R450 utilizes a convenient electric starter for easier starts.
A 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.
High performance cylinder head features a narrow included valve angle creating a compact cylinder head design, compact combustion chamber and featuring 11.7:1 compression ratio for maximum performance.
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.
High peformance ECM utilizes a high spec 16 bit CPU for quick fuel injection calculations and is designed to compact and lightweight. Centrally located muffler layout for improved mass centralization, perfectly symmetrical weight distribution, and higher cornering performance.

Chassis/Suspension
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.
Race-ready steel rear swingarm providing more flexibility and a smoother arc of movement for optimum handling perfomance in any environment.
Incredibly wide independent double wishbone front suspension with fully adjustableKayaba 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 on this sick atv. 
Special Dunlop radial tires designed specifically for the LT-R450 atv 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 styling highlights the high performance nature of the QuadRacer R450 atv. The LT-R450 is styled with a low and wide profile to further emphasize the lightweight performance intent of the machine.
The LT-R450 atv 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.