How to Change the Oil in a 2017 Yamaha YZ250FX — MotoSport.com Guide
Shop parts for a 2017 Yamaha YZ250FX Dirt Bike.
Regular oil changes are essential for keeping your 2017 Yamaha YZ250FX performing at its best. This step-by-step guide covers everything you need to know, including every tool required, tips specific to this model, and expert advice to ensure your oil change goes smoothly and efficiently.
Tools & Supplies Needed
- 12mm socket or wrench (for main oil drain bolt)
- 8mm socket or wrench (for oil filter cover)
- 10mm socket or wrench (for oil strainer)
- Replacement crush washer for drain bolt
- Fresh oil filter
- Yamalube or compatible 4-stroke oil (10W-40 recommended for most conditions)
- Drain pan
- Funnel (ideally one with a built-in measuring cup)
- Clean rags
- Gloves
Step-by-Step Oil Change Instructions
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Warm up the engine:
- Start your YZ250FX and let it idle for several minutes. Warming the oil allows it to flow more easily, ensuring a more complete drain.
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Stabilize and prepare your bike:
- Shut off the engine and place the bike upright using a stand. Wait a few minutes to let the oil settle.
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Locate the oil drain bolt:
- The oil drain bolt on the 2017 YZ250FX is underneath the engine case. It’s a 12mm bolt positioned behind and beneath the motor.
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Remove the lower engine guard (if equipped):
- This creates better access to the drain bolt. Use the appropriate socket to unbolt the guard if installed.
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Drain the old oil:
- Place your drain pan beneath the bolt. Remove the oil filler cap on top of the engine to let oil flow more freely and prevent a vacuum.
- Use a 12mm socket to remove the drain bolt. Allow the oil to drain completely.
- If your model uses a crush washer, inspect it and replace it if any damage or wear is visible.
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Remove and replace the oil filter:
- The oil filter is behind a cover secured with 8mm bolts. Loosen these evenly to avoid warping the cover.
- Slide out the old oil filter and inspect the O-ring. Replace the O-ring if damaged or excessively flattened.
- Lubricate the new oil filter’s O-ring with a dab of fresh oil and install it, ensuring correct orientation. Reinstall the cover and torque bolts evenly.
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Remove and clean the oil strainer:
- The oil strainer is often overlooked. It can be accessed using a 10mm wrench on the strainer bolt (consult your owner’s manual for precise placement).
- Remove, inspect, and clean any debris from the strainer, then reinstall it securely.
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Reinstall the drain bolt:
- Tighten the drain bolt securely with the new crush washer to manufacturer’s torque specs (consult your manual for the exact value).
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Add fresh oil:
- Using your funnel, pour in the recommended quantity of Yamalube (refer to your manual; typically around 1.0 – 1.1 liters for oil plus filter change).
- Replace the oil filler cap.
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Run and check your engine:
- Start the engine and let it idle for 1-2 minutes. Shut off and let the oil settle for a few minutes.
- Check the oil level using the sight glass on the right side — oil should be between the two marks. Top off if needed.
- Confirm there are no leaks at the drain bolt, oil filter cover, or strainer.
Model-Specific Call-Outs for the 2017 Yamaha YZ250FX
- Sight glass monitoring: This model uses a sight glass rather than a dipstick or external tank. Proper oil level is crucial and must be checked after the bike rests a few minutes post-run; oil should be between the two lines on the glass.
- Multiple drain points: The YZ250FX has more than one drain point: the main sump drain and an oil strainer/secondary drain – be sure to service both for a thorough change.
- Crush washer maintenance: Always inspect and, if necessary, replace the drain bolt's crush washer to prevent leaks.
- Oil filter O-ring: Always check the oil filter cover O-ring and replace if any sign of wear is present to avoid oil leaks.
- Torque values: Always use the specified torque for the drain bolts and filter cover; over-tightening can strip threads, under-tightening can cause leaks.
Expert MotoSport.com Tips
- Warm-up is vital: Never skip warming the engine—this ensures old oil suspends more contaminants for effective removal.
- Work clean: Have plenty of rags handy, and wipe away any oil spills immediately to keep dirt from sticking in sensitive areas.
- Oil disposal: Collect used oil in a clean container and recycle at your nearest auto parts store or recycling facility.
- Ride ready: Record the date and hours or mileage at each oil change in a maintenance log for future reference.
A properly performed oil change is the easiest way to protect your Yamaha YZ250FX’s engine—and keep your ride performing strong on every MotoSport adventure.
Related Shopping Categories
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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.