How to Change the Oil in a 2026 Honda CRF150R
Shop parts for a 2026 Honda CRF150R Dirt Bike.
Changing the oil in your 2026 Honda CRF150R is an essential part of routine maintenance that ensures peak performance and a long engine life. This guide, proprietary to MotoSport.com, walks you through all the tools required and every step needed for a comprehensive oil change. The 2026 model is a continuation of Honda's popular competition mini line, and while the core process remains largely unchanged from recent years, it's important to pay attention to the details, especially regarding correct oil volumes and crush washer replacement.
Tools and Supplies Needed
- Socket wrench set (including 8mm, 10mm, and 12mm sockets)
- Drain pan (to catch old oil)
- Funnel (long-neck recommended)
- Clean shop rags
- New engine oil (Honda GN4 10W-40 or equivalent motorcycle oil; see owner's manual for recommendations)
- Oil filter (OEM or aftermarket replacement)
- Replacement crush washers (highly recommended; kits available with washers and O-rings)
- Torque wrench (for accurate re-tightening of drain bolts)
- Gloves and eye protection (for safety)
Preparation: Before You Begin
- Start the engine and let it idle for 3–5 minutes. This heats the oil, allowing it to drain more completely and suspend more contaminants.
- Turn off the engine, place the bike on a stable stand, and make sure it's vertical.
- Clean the area around both the oil fill cap/dipstick and the drain bolts to prevent debris from entering the engine.
Step-by-Step Oil Change Process
-
Remove the Oil Fill Cap/Dipstick
Locate the oil cap/dipstick on the right side of the engine and unscrew it. This helps vent the system for faster draining. -
Drain the Engine Oil
Position your drain pan beneath the engine. Locate the engine oil drain bolt (usually on the bottom of the right-side crankcase). Use the appropriate socket to carefully loosen and remove the bolt.
Tip: Be cautious not to strip the drain bolt. Replace the crush washer with a new one for every oil change to prevent leaks. Let the old oil drain out completely. -
Drain the Transmission (Clutch Side) Oil
For models like the CRF150R, the clutch (transmission) side holds its own oil. Locate the transmission drain bolt (usually on the left engine side) and follow the same procedure: remove the bolt, replace the washer, and let the oil drain. -
Replace the Oil Filter
Remove the oil filter cover with the correct socket. Take out the old filter and O-rings. Lightly oil the new filter and install it with new O-rings and a freshly cleaned/replaced cover.
Pro Tip: Some oil change kits come with all required O-rings and washers specific for Honda CRF150R models, making this maintenance straightforward.
Model Call-Out: For the 2026 Honda CRF150R, use the recommended oil filter for CRF150R models from 2007–2025, as filter sizing is unchanged through 2026. -
Reinstall the Drain Bolts
Once both sides have fully drained, reinstall the drain bolts with new crush washers. Tighten to the torque specified in your owner's manual (do not overtighten.). This is usually around 18–22 Nm, but always check your manual or service guide for the exact spec. -
Fill with the Correct Amount of Oil
Honda specifies to fill the right (engine) side with 590cc if changing the filter, 560cc if not. The left (clutch) side takes 580cc. Use a long-neck funnel and pour slowly to avoid overflow. Always use fresh, recommended oil. -
Check the Oil Level
Insert the dipstick (do not thread it in), remove it, and check the oil level. Add small amounts as needed until it reaches the right level.
Model Tip: Let the engine idle for a minute and recheck both levels after oil circulates. Always check both sides before riding. -
Clean Up and Inspect
Check for leaks around both drain bolts and the oil filter. Wipe up spills and recheck the oil levels once the bike has run briefly.
2026 Honda CRF150R Specific Call-Outs
- The oil and filter specs remain unchanged from previous model years; filters and O-rings listed for 2007–2025 CRF150R models fit the 2026 as well.
- Always use new crush washers to avoid stripped bolts and oil leaks – kits with washers and O-rings are readily available.
- The dual-oil system (separate engine and clutch oils) requires two different drain and fill steps; do not mix up the drain or fill locations.
- Always consult your owner's manual for torque specs and further maintenance guidance, as proper tightening is critical to long engine life.
Final Notes
- Proper disposal of used oil is a responsibility—take old oil to an approved recycling center.
- After your oil change, let the bike run for a few minutes, then shut it off and check for any leaks or abnormal sounds before your next ride.
Performing regular oil changes is crucial for the longevity and performance of your 2026 Honda CRF150R. This maintenance task keeps your engine and transmission internals in top shape, ensuring every ride is smooth and reliable.
This guide is proprietary content for MotoSport.com and specifically tailored for the 2026 Honda CRF150R. For all maintenance supplies, including oil, filters, and crush washer kits, shop MotoSport.com for the correct fit for your bike.
Related Shopping Categories
Shop Motor Oil for a 2026 Honda CRF150R Dirt Bike.
Shop Oil Filters for a 2026 Honda CRF150R Dirt Bike.
Shop Oil Drain Pans for a 2026 Honda CRF150R Dirt Bike.
Shop Tools for a 2026 Honda CRF150R Dirt Bike.
Shop Oil Fillers and Drain Plugs for a 2026 Honda CRF150R 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.