How to Change the Oil in a 2019 Yamaha TTR230

Shop parts for a 2019 Yamaha TTR230 Dirt Bike.

Regular oil changes are essential to maintain the performance and longevity of your Yamaha TTR230. This step-by-step guide, proprietary to MotoSport.com, will walk you through the oil change process specific to the 2019 Yamaha TTR230, with all tools, best practices, and key call-outs you need to know for this dependable dirt bike.

Tools and Supplies Needed

  • 1 liter Yamalube 10W40 (recommended oil type and viscosity for TTR230)
  • New oil filter (OEM part recommended)
  • 19mm socket (for the main oil drain bolt)
  • 8mm socket (for oil filter cover)
  • Allen hex wrench (for additional filter cover bolts, if present)
  • Oil catch pan
  • Rags and paper towels (for cleanup)
  • Brake/contact cleaner (for cleaning potentially spilled oil)
  • Torque wrench
  • Funnel
  • Rubber or nitrile gloves

Preparation

  • Warm up the engine for 2–3 minutes to thin out the oil, which helps it drain more completely.
  • Ensure the bike is upright and supported securely on a stand or center support.

Step-by-Step Instructions

  1. Locate and Remove the Oil Drain Bolt
    • The drain bolt is situated below the gear shift lever on the left side of the bike. It has a flange and requires a 19mm socket to remove.
    • Place your catch pan underneath before loosening. When removing the bolt, watch for the small compression spring and wire strainer that might come out as a unit with the plug—don't lose these small pieces.
  2. Drain the Oil Completely
    • Allow all oil to drain – having the bike warm speeds this up and ensures more complete removal of old oil.
  3. Remove and Clean the Strainer
    • Carefully remove the strainer found behind the drain bolt. Clean it thoroughly with brake or contact cleaner. Inspect for debris, sealant, or metallic particles—a normal part of the break-in period, but excessive material could indicate possible engine wear.
    • Wipe down the gasket surface before reassembly.
  4. Change the Oil Filter
    • Locate the oil filter cover on the engine's lower left side.
    • Undo the bolts using an 8mm socket or Allen hex wrench as required. Note the exact order and orientation of any springs or washers when removing these.
    • Remove the old oil filter; install the new one in the same orientation.
    • Check the cover's gasket condition and replace if necessary to ensure leak-free sealing.
    • Hand-tighten bolts evenly, then apply torque according to your Yamaha's recommended specs.
  5. Reinstall the Strainer, Spring, and Drain Bolt
    • Ensure the strainer is placed first, then the spring, and finally the drain bolt. Hand-tighten and then torque to the manufacturer's spec (consult your manual, or use approximately 14 lb-ft as a general guideline if the spec is unavailable).
  6. Add New Engine Oil
    • Remove the oil fill cap located on the crankcase. Using a funnel, pour in 1 liter of Yamalube 10W40.
    • Reinstall the fill cap securely.
  7. Check Oil Pressure (Critical for TTR230 Owners)
    • The TTR230 includes a bleed screw on the right side of the cylinder head, just behind the spark plug.
    • Loosen the bleed screw, then start the engine and let it idle. Watch for a small amount of oil to seep from the screw—this confirms proper oil circulation.
    • If no oil appears, loosen the screw further. If oil still doesn't seep, turn off the engine immediately and consult your dealer to prevent damage.
    • Once verified, shut off the engine, then torque the bleed screw to 5.2 ft-lb and clean the area with brake/contact cleaner to prevent dirt accumulation.
  8. Check for Leaks & Final Steps
    • Inspect all drain and filter areas for signs of oil leakage.
    • If everything is dry, your bike is ready for use. Run the engine briefly and recheck the oil level, topping up if necessary.
    • Dispose of used oil and the filter responsibly at an accepted recycling facility or your Yamaha dealer.

2019 Yamaha TTR230 Specific Call-Outs

  • Engine design has remained consistent for many years, so these instructions are valid from early models through 2019 and beyond.
  • Oil capacity is 1 liter due to the compact engine design.
  • Bleed screw procedure is unique—do not skip this step to prevent engine damage from improper oil pressure after a change.
  • The oil filter and strainer screen work as a unit; always inspect for excessive debris and confirm all parts are reinstalled in the proper order.
  • Careful attention should be paid to torque specs, as overtightening the small fasteners or cover bolts can damage soft aluminum parts.

Tips for a Clean Installation

  • Always lay out all new components and tools before starting to keep the process organized.
  • Wipe up any spills immediately with rags and use a brake cleaner for final clean-up.
  • Record your mileage and date for each oil change for maintenance tracking.

Final Note

Completing regular oil changes ensures your Yamaha TTR230 keeps running at peak performance. Dispose of all oil and filters at a recycling facility. With the right tools and attention to detail, this service is straightforward and a rewarding part of dirt bike ownership.

Proprietary to MotoSport.com. For more tutorials and product recommendations, visit our learning center or ask our experts for help with your next dirt bike maintenance project.

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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.