Yamaha wr450f Manuale Utente

1Owners ManualÖhlins enduro front fork Yamaha WR 450 F – 2-TRAC 2005Including:Setting upyour bikeFine-tuningServicethe forkGeneralhandling set-upTechn

1010Perform steps 1-2 on page 7.Loosen the cylinder tube cap, on top of the cylindertube, with tool 1797-03.Lift up the damper rod assembly and drain

1113Remove the seal and bushing and check themfor wear and damage. Replace if necessary.CAUTION!When removing the oil seal and bushing use asmall plas

12Assembling16Apply a thin layer of Öhlins red grease (146-01)on the scraper ring and on the sealing surface ofthe fork seal.CAUTION!When installing t

1319Fasten the fork leg, at the fork bottom, in a vicewith soft jaws.Install the compression valve assembly in thefork bottom.Tightening torque 60 Nm.

14Technical specificationsFork length and strokeLength (L): 938 mmStroke: 300 mmRebound and compression adjustmentRefer to mounting instruction for se

15Spare partsPos. Part No. Pcs. Description Type/remarks1:2 02400-01 2 Bump rubber1:3 02403-01 2 Washer1:4 02436-04 2 Spring support 4 mm Standard0243

16Tools1860-01: Top cap releasing tool1863-01: Base valve tool1799-04: Mounting sleeve1797-03: Cartridge tool1702-04: Bushing removerSpare partsPos. P

17Compression adjusterRebound adjusterSpare partsPos. Part No. Pcs. Description Type/remarks3:21 00438-31 2 O-ring3:22 02356-03 2 Rebound needle3:23 0

18General handling set-upFront suspension.Front fork travel is not used to its fullcapacity. Harsh feeling, front wheel grip isnot satisfactory in bum

19MaintenanceTelescopic front forks depend on a smooth, frictionfree action.Make sure your forks are regularly serviced.Do not use strong solvents, su

2Safety signalsImportant information concerning safety isdistinguished in this manual by thefollowing notations:The Safety alert symbol means:Caution!

2007295-23, Issued 05 01 28. Teknisk Illustration. 1500 ex.Öhlins Racing AB, Box 722, S-194 27 Upplands Väsby, Sweden Phone +46 8 590 025 00, Fax +46

3Tuning the suspensionMotorcycle road holding qualitiesAll motorcycles are designed with a suspensiongeometry that includes height and fork angle. The

4SettingsBasic settingsAlways ensure that the basic setting made byÖhlins is correct. It is adapted to the make andmodel (in its original state) and f

5Fine-tuning the bikeLearning how to use the adjusters will take timebut you quickly appreciate them once you knowthe tricks. Even the specialists som

6500450400350300250200150100500Force kgfStroke mm020 40 60 80 100 120Oil level 100 mm Oil level 110 mm Oil level 120 mm Oil level 130 mmI

7Pre-load adjustment1Put the bike on a stand and loosen the screws inthe top fork crown that hold the fork legs.NOTE!On most MX-bikes you have take of

84Remove the spring support.Install a optional spacer to achieve the rightstatic sag.5Fit the spring support and the top cap. Tightenthe top cap and l

9Changing springs6Follow instructions 1-4 on previous page andremove the spring. Do not install the springsupport spacer.7NOTE!Closing the compression