Yamaha WR450F 2 (2004)

The Yamaha WR 450F 2-Trac motorcycle was produced in 2004 and features a four-stroke, single-cylinder engine with 449cc capacity and a liquid cooling system. The engine has a compression ratio of 12.5:1 and is equipped with a 39mm Keihin FCR flat-slide throttle position sensor and digital CDI ignition. The motorcycle has a maximum power output of 58 horsepower at 9000 rpm and a maximum torque of 49 Nm at 7000 rpm. It has a wet, multiple-disc clutch and a 5-speed transmission, with final drive provided by an “O” ring chain. The frame is made of steel and has a single cradle design, with the front suspension featuring a 46mm Kayaba inverted telescopic fork that is adjustable for compression and rebound damping. The rear suspension is fully adjustable and uses a Kayaba single shock with separate speed compression adjustment. The motorcycle has a front wheel travel of 300mm and a rear wheel travel of 318mm, with front and rear brakes consisting of single discs with 4 piston and 2 piston calipers, respectively. The front tire is 80/100-21 and the rear tire is 110/100-18. The motorcycle measures 2175mm in length, 825mm in width, and 1300mm in height, with a wheelbase of 1485mm and ground clearance of 365mm. The seat height is 998mm and the fuel capacity is 8 liters.


Technische Daten:

Marke Modell: Yamaha WR 450F 2-Trac

Jahr: 2004


Motor: Viertakt, Einzylinder, DOHC, 5 Titanventile pro Zylinder.
Hubraum: 449 cm³ / 27,4 Zoll
Bohrung x Hub: 95 x 63,4 mm
Kühlsystem: Flüssigkeitsgekühlt
Verdichtungsverhältnis: 12,5:1
Schmierung: Nasssumpf
Ansaugung: 39mm Keihin FCR Flachschieber-Drosselklappensensor
Zündung: Digital CDI
Starten: Elektrisch / Kickstarter
Max. Leistung: 58 PS / 42,3 kW @ 9000 U/min
Maximales Drehmoment: 49 Nm / 33.1 lb-ft @ 7000 U/min
Kupplung: Nass, mehrscheibig, seilbetätigt
Getriebe: 5-Gang
Final Drive: “O” ring Chain
Rahmen: Stahl, Einzelwippenrahmen

Vordere Federung: 46-mm-Kayaba-Inverted-Teleskopgabel, Druck- und Zugstufendämpfung einstellbar
Federweg Vorderrad: 300 mm / 11.8 in
Hintere Federung: Voll einstellbares Kayaba-Einzelfederbein, 315 mm Radweg, separate Einstellung der Druckstufe
Hinterradfederweg: 318 mm / 12.4 in
Vordere Bremsen: Einzelne 250-mm-Scheibe 4-Kolben-Bremssattel
Hintere Bremsen: Einzelne 245-mm-Scheibe 2-Kolben-Bremssattel
Vorderradreifen: 80/100-21
Hinterreifen: 110/100-18
Abmessungen: Länge 2175 mm / 85.6 in Breite 825 mm / 32.5 in Höhe 1300 mm / 51.2 in
Radstand: 1485 mm / 58.5 in
Bodenfreiheit: 365 mm / 14.3 in
Sitzhöhe: 998 mm / 39.3 in
Kraftstoffkapazität: 8 Liter / 2.1 USgal

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