How to Change the Oil in a 2014 Honda CRF450X: A Comprehensive Guide
Shop parts for a 2014 Honda CRF450X Dirt Bike.
Keeping your 2014 Honda CRF450X running at peak performance means regular maintenance, and one of the most crucial tasks is changing the engine oil. Not only does this prolong engine life, but it also ensures optimal riding performance—critical whether you're racing or trail riding. This guide, proprietary to MotoSport.com, will walk you through every step, include the necessary tools, and point out specific details unique to this model.
Tools and Supplies Needed
- 10mm socket or wrench – for oil drain plug removal
- 8mm socket – for oil filter housing bolts
- Ratchet or T-handle
- Drain pan – to collect used oil
- New oil filter designed for the CRF450X
- Honda 20W-50 motor oil (or as specified in the owner’s manual)
- New crush washer for drain bolt (optional but recommended)
- Clean shop rag or paper towels
- Funnel
- Torque wrench (recommended for filter cover bolts)
- Gloves (optional, for cleanliness)
Preparation and Important Model-Specific Notes
- Engine Oil & Transmission Oil: The 2014 CRF450X uses separate compartments for engine and transmission oil. This procedure covers engine oil and oil filter. Transmission oil change follows a similar procedure but with a different drain plug on the opposite side.
Owners often use 950ml (~1 quart) in the gearbox for added protection, though the manual recommends 750ml. - Warm Up the Engine: Run the bike for 1–2 minutes to thin out the oil, allowing it to drain more effectively.
- Oil Change Interval: Honda recommends changing oil every 15 hours or 6 races.
Step-by-Step Engine Oil & Filter Change
-
Remove Left Side Engine Guard (if equipped):
Using the appropriate tool, remove any guards or covers to expose the oil filter cover. -
Remove the Oil Filler Cap:
Loosening (or removing) the oil filler cap allows air in and helps oil drain more quickly. -
Drain the Engine Oil:
– Place your drain pan under the engine.
– Use the 10mm socket to remove the engine oil drain bolt (located on the left, lower rear of the crankcase for engine oil).
– Remove the old crush washer (replace if worn or damaged).
– Allow oil to fully drain for several minutes. -
Remove the Oil Filter:
– With an 8mm socket, carefully remove both bolts securing the oil filter cover.
– Be ready for residual oil and the spring behind the cover.
– Take out the old oil filter and O-ring (inspect O-ring for wear; replace if needed). -
Install New Oil Filter:
– Lightly oil the rubber seal on the new filter.
– Seat the new filter into the cavity.
– Verify spring placement matches the original orientation.
– Reinstall the cover and hand-tighten bolts, then use a torque wrench to torque bolts to 9 ft-lb. -
Reinstall Drain Bolt:
– Fit a new crush washer (if available) on the drain bolt.
– Tighten the drain bolt securely—do not overtighten to avoid stripping threads or cracking the case. -
Refill with Engine Oil:
– Using a funnel, pour in the recommended amount of Honda 20W-50 engine oil (check manual, but typically about 1 liter or as listed inside the side cover). -
Check Oil Level:
– Stand the bike upright and visually check the circular oil sight glass on the side of the engine.
– Add small amounts of oil as needed until the correct level is indicated. -
Reinstall the Oil Filler Cap & Any Engine Guard Removed:
– Clean any spilled oil with a rag.
– Reinstall all covers and engine guard. -
Start Engine & Inspect for Leaks:
– Start the bike and let it run for one minute.
– Inspect all areas (especially around the filter cover and drain bolt) for leaks.
– Shut off the engine and allow oil to settle for a minute, then recheck the oil level through the sight glass and top off if necessary.
2014 Honda CRF450X Oil Change Call-Outs
- Two Separate Oils: The CRF450X requires separate oil for the engine and transmission. Engine and transmission oil changes must be done independently.
- Filter Location: Engine oil filter is located on the left, transmission side uses only a drain bolt with no filter.
- Spring Behind Filter Cover: Be cautious of the spring that will come loose when removing the oil filter cover.
- Drain Bolt Bolt Lengths: Take note that filter cover uses two bolts of different lengths; remember which position each came from.
- Overfilling: For hard or extended rides, some riders prefer 950ml (1qt) in gearbox (transmission), though this is slightly above the manual spec of 750ml—engine side should always follow owner’s manual spec.
Final Tips for MotoSport.com Riders
- Dispose of used oil and filters responsibly in accordance with local regulations—most auto parts stores offer recycling.
- Always use recommended oil weights and genuine filters for best reliability.
- Keep a log of all maintenance for service records and resale value.
Regular scheduled oil changes keep your 2014 Honda CRF450X running stronger, longer. For all your genuine Honda parts and maintenance supplies, trust MotoSport.com—your source for everything dirt bike.
Related Shopping Categories
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Shop Oil Fillers and Drain Plugs for a 2014 Honda CRF450X 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.