How to Change the Oil in a 2017 Honda CRF250R

Shop parts for a 2017 Honda CRF250R Dirt Bike.

Regular oil changes are critical for the performance and longevity of your 2017 Honda CRF250R. This step-by-step guide, proprietary to MotoSport.com, covers everything you need: tools, detailed steps, model-specific tips, and recommendations to keep your dirt bike running strong.

Tools and Materials Needed

  • Socket and wrench set (8mm and 12mm sockets for filter and drain bolts)
  • Oil drain pan
  • Clean rags or shop towels
  • Replacement engine oil (manufacturer recommended type and amount, see below)
  • Replacement oil filter (Honda OEM or high-quality aftermarket)
  • Small funnel for pouring new oil
  • Torque wrench for drain bolts and filter cover
  • Gloves (optional, but highly recommended)
  • Replacement O-rings for drain bolt and filter cover (if needed)

Preparation Steps

  • Start your bike and warm the engine for about three minutes. This thins the oil, allowing it to drain completely from the engine and transmission compartments. Shut off the bike and let it sit for a couple of minutes so the oil cools slightly

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  • Place the bike on a stand or level surface to ensure steady positioning and a complete drain

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Oil Change Procedure

  1. Remove the Skid Plate (if equipped):
    • Use a 10mm socket or wrench to remove the bolts holding the skid plate. If you have stock light guards, they may need to be removed as well

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  2. Locate and Remove the Engine Oil Drain Bolt:
    • The engine oil drain bolt is a 12mm bolt located under the engine. Position the oil drain pan underneath, then loosen and remove the bolt carefully. Allow the oil to fully drain

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  3. Remove the Transmission Oil Drain Bolt:
    • The CRF250R has a separate transmission oil compartment–locate its 12mm drain bolt (typically behind the shifter). Repeat the draining process for this compartment

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  4. Replace the Oil Filter:
    • Locate the oil filter cover, held by two 8mm bolts near the front-right of the engine. Remove the bolts, then the filter cover. Note the orientation of the old filter. Pull the filter out and discard it

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    • Clean the filter cover, replace the O-ring if damaged, and insert a new oil filter in the correct direction. Reinstall the filter cover and tighten bolts to the manufacturer's torque specification.
  5. Reinstall Drain Bolts:
    • Check the drain bolt sealing washers or O-rings and replace if necessary. Install both drain bolts and tighten them to the correct torque. Avoid over-tightening to prevent damaging the case

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  6. Add New Oil:
    • Unscrew the engine oil fill cap/dipstick. With a clean funnel, pour in the recommended amount and type of oil for both the engine and (if applicable) the transmission compartments. For the 2017 CRF250R, Honda typically recommends 10W-40 four-stroke motorcycle oil with an API service classification of SG or higher. Consult your owner's manual or parts fiche for the exact quantity (often around 0.8L for the engine, but double-check for your specific model year)

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  7. Check Oil Levels and Finalize:
    • Insert the clean dipstick without screwing it in and check that the oil is between the upper and lower marks. Add more oil if needed, but do not overfill

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    • Start the bike and let it idle for a few minutes, then shut down and let oil settle. Re-check and top off as needed

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    • Check for leaks at the drain bolts and filter cover.
  8. Reinstall the Skid Plate:
    • Secure the skid plate and any other parts removed to access the drain bolts

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2017 Honda CRF250R Model-Specific Call-Outs

  • Separate Compartments: The 2017 CRF250R uses separate oil compartments for the engine and transmission. Always make sure you are filling the correct compartment with the right oil amount.
  • Oil Quantity Caution: User feedback and some guides warn that filling with the exact capacity listed in the manual may be too much if not all oil has drained. Always fill gradually and check at the inspection hole or with the dipstick, stopping when oil just starts to flow from the level check

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  • Filter Orientation: Take note of the oil filter direction during removal so you can install the new filter correctly. Installing it backwards can lead to oil starvation and damage

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  • Tight Spaces: The drain bolts, especially the transmission side, may be somewhat hidden behind the shifter. Use appropriate tools and caution to avoid rounding bolt heads

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  • Regular Maintenance: Honda recommends frequent oil and filter changes, especially after hard riding sessions or races. This helps maintain engine life and performance.

Conclusion

Changing the oil in your 2017 Honda CRF250R is straightforward with the right tools and careful attention to detail. Use manufacturer-recommended oil and filter components, check all seals and O-rings, and always verify oil levels after running the engine. Consistent, careful maintenance will keep your Honda running strong, whether on the track or trail.

Related Shopping Categories

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Shop Oil Fillers and Drain Plugs for a 2017 Honda CRF250R Dirt Bike.

Disclaimer: This guide is provided for general informational purposes only and is not intended to replace your motorcycle's official owner's manual. Always refer to your manufacturer's documentation for model-specific instructions, torque specifications, safety procedures, and maintenance requirements. If you are unsure or inexperienced, consider seeking assistance from a qualified mechanic or technician.