Yamaha WR250F(D) Owner's Service Manual

Contents

1-21CLEANING AND STORAGECLEANING AND STORAGECLEANINGFrequent cleaning of your machinewill enhance its appearance, maintaingood overall performance, and ex-tend the life of many components.1. Before washing the machine,block off the end of the exhaustpipe to prevent water from enter-ing. A plastic bag secured with arubber band may be used for thispurpose.2. If the engine is excessivelygreasy, apply some degreaser toit with a paint brush. Do not applydegreaser to the chain, sprockets,or wheel axles.3. Rinse the dirt and degreaser offwith a garden hose; use onlyenough pressure to do the job.Do not use high-pressure washersor steam-jet cleaners since theycause water seepage and deterio-ration seals.4. After the majority of the dirt hasbeen hosed off, wash all surfaceswith warm water and a mild deter-gent. Use an old toothbrush toclean hard-to-reach places.5. Rinse the machine off immediate-ly with clean water, and dry allsurfaces with a soft towel or cloth.6. Immediately after washing, re-move excess water from thechain with a paper towel and lubri-cate the chain to prevent rust.7. Clean the seat with a vinyl uphol-stery cleaner to keep the coverpliable and glossy.8. Automotive wax may be appliedto all painted or chromed surfac-es. Avoid combination cleaner-waxes, as they may contain abra-sives.9. After completing the above, startthe engine and allow it to idle forseveral minutes.STORAGEIf your machine is to be stored for 60days or more, some preventive mea-sures must be taken to avoid deterio-ration. After cleaning the machinethoroughly, prepare it for storage asfollows:1. Drain the fuel tank, fuel lines, andthe carburetor float bowl.2. Remove the spark plug, pour a ta-blespoon of SAE 10W-40 motoroil in the spark plug hole, and re-install the plug. With the enginestop switch pushed in, kick the en-gine over several times to coat thecylinder walls with oil.3. Remove the drive chain, clean itthoroughly with solvent, and lubri-cate it. Reinstall the chain or storeit in a plastic bag tied to the frame.4. Lubricate all control cables.5. Block the frame up to raise thewheels off the ground.6. Tie a plastic bag over the exhaustpipe outlet to prevent moisturefrom entering.7. If the machine is to be stored in ahumid or salt-air environment,coat all exposed metal surfaceswith a film of light oil. Do not applyoil to rubber parts or the seat cov-er.Make any necessary repairs beforethe machine is stored.