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Oil Specifications for a 2003 Honda CRF 150F

by Dave Hendrickson

The Honda CRF 150F is a lightweight motorcycle designed for off-road use. Its small, fast-running, four-stroke engine -- the recommended idle speed is 1,400 rpm -- generates a lot of heat. It requires quality oil and regular maintenance. Honda warns that using too little oil or the wrong oil is one of the most frequent causes of expensive engine repairs.

Types of engine oil

To keep oil clean, the 150F uses a screen, not a filter.

The CRF 150F engine takes SAE 10W40 motorcycle oil. Specifically, the company recommends using its own Pro Honda GN4 or HP4 four-stroke oil or an equivalent.

Look for an oil that conforms to the MA class JASO T 903 standard. The JASO T 903 standard is an index to help you choose a quality oil. It's easy to spot by the prominent "MA" on the label.

Do not use non-detergent, vegetable, or castor-based racing oils. Do not use oils that are labeled "energy conserving" with the API rating.

Synthetic oils are acceptable.

Engine oil capacity

The 2003 model of the 150F takes 1.1 quarts of oil if you are changing oil. If you are breaking down the bike, you'll need 1.3 quarts.

Frequency of oil changes

It's better to schedule oil changes by running time than by mileage.

Change the oil if your bike has been in storage for four months or longer. You should also change oil after every 20 to 30 hours of running time.

Other lubrication

To keep the drive chain lubricated, use Pro Honda Chain Lube or an equivalent, or SAE 80 or 90 gear oil.

Use Pro Honda Foam Filter Oil or an equivalent for the air cleaner.

About the Author

Dave Hendrickson has been writing and editing professionally since 1980. He has received awards from the Milwaukee Press Club, Virginia Press Association and Investigative Reporters and Editors. Hendrickson holds a Bachelor of Arts in journalism from the University of Wisconsin and a Master of Fine Arts in creative writing from Virginia Commonwealth University.

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Photo Credits

  • flight on a motorcycle. image by Stanislav Komogorov from Fotolia.com