| Model: | TRX450R (kick start) 
                                          / TRX450ER (electric start) | 
                                       
                                        | Engine Type: | 450cc liquid-cooled 
                                          single-cylinder four-stroke | 
                                       
                                        | Bore and Stroke: | 96mm x 62mm | 
                                       
                                        | Compression 
                                          Ratio: | 12.0:1 | 
                                       
                                        | Valve Train: | Unicam; four-valve | 
                                       
                                        | Carburetion: | Keihin 40mm flat slide 
                                          with throttle position sensor (TPS) | 
                                       
                                        | Ignition: | CD with electronic 
                                          advance | 
                                       
                                        | Starter: | Electric or forward 
                                          kick | 
                                       
                                        | Transmission: | Five-speed | 
                                       
                                        | Final Drive: | O-ring- sealed chain | 
                                       
                                        | Suspension: | Front: Independent 
                                            double-wishbone with Showa shocks, 
                                            featuring adjustable spring preload, 
                                            rebound and compression damping; 8.4 
                                            inches travelRear: Pro-Link with 
                                            single Showa shock featuring adjustable 
                                            spring preload, rebound and compression 
                                            damping; 9.3 inches of travel
 | 
                                       
                                        | Brakes: | Front: 
                                            Dual hydraulic 174mm discs with twin-piston 
                                            calipersRear: Single hydraulic 
                                            190mm disc with single-piston caliper
 | 
                                       
                                        | Tires: | Front: 22 
                                            x 7-10 knobby radialRear: 20 x 10-9 knobby 
                                            radial
 | 
                                       
                                        | Length: | 73.3 inches | 
                                       
                                        | Width: | 46.3 inches | 
                                       
                                        | Height: | 43.3 inches | 
                                       
                                        | Seat 
                                          Height: | 32.8 inches | 
                                       
                                        | Ground Clearance: | 4.4 inches | 
                                       
                                        | Wheelbase: | 50.2 inches | 
                                       
                                        | Fuel Capacity: | 2.7 gallons, including 
                                          0.8-gallon reserve | 
                                       
                                        | Colors: | TRX450R: RedTRX450ER: Red, White, Black/Blue
 | 
                                       
                                        | Consult 
                                          owner's manual for optional HRC Racing 
                                          Kit parts. | 
                                       
                                        | For 
                                          highly experienced riders 16 years of 
                                          age and older. |