How to Change the Oil in a 2019 KTM 250XCW TPI: Step-By-Step Guide
Shop parts for a 2019 KTM 250XCW TPI Dirt Bike.
Keeping your 2019 KTM 250XCW TPI in peak condition requires routine maintenance, and changing the transmission oil is one of the most important tasks. This guide, proprietary to MotoSport.com, will walk you through all the steps, highlight tools you'll need, and point out model-specific details to ensure a seamless oil change.
Tools and Supplies Needed
- 8mm, 13mm sockets or wrenches
- T-Handle wrench or ratchet
- Drain pan
- Funnel
- Measuring cup (metric measurements preferred)
- OEM oil fill crush washer (replace if damaged)
- Rag or shop towels for clean-up
- Contact cleaner (optional, for grime removal)
- Cleaning brush (optional, for hard-to-reach areas)
- Transmission oil (see below for capacity and type)
KTM 250XCW TPI 2019 Model-Specific Call-Outs
- The 2019 KTM 250XCW TPI is a 2-stroke with a separate transmission oil circuit.
- Recommended oil amount is 675 ml–not 800 ml as previously advised in some manuals, unless engine has been torn down and cleaned. Overfilling can lead to increased clutch drag and leakage specific to 2017–2019 KTM 250/300 2-strokes .
- Manual specification for oil type: Use premium transmission oil rated for 2-stroke dirt bikes; common choices include Motorex or Motul 10W-40, but always refer to KTM recommendations.
- Check that no dirt enters the system: Clean around the fill and drain area before removing any plugs .
Step-by-Step Guide
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Warm Up the Engine
- Run the bike for 2–3 minutes. This allows the oil to warm up so it drains more thoroughly.
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Clean the Engine Case Around Drain and Fill Plugs
- Use a rag and some contact cleaner to remove any dirt or grime. This prevents contamination inside the gearbox during the process .
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Position the Bike
- Stabilize the bike on a stand or use the side stand on level ground. Keep the bike upright for accurate draining and filling.
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Remove the Oil Fill Cap
- The fill cap is located on the right side of the engine. Loosen it with your fingers or the correct-sized socket to prevent a vacuum and allow the old oil to flow freely.
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Remove the Drain Plug
- Place the drain pan under the engine. The drain bolt is located on the left at the bottom rear of the engine case. Use the appropriate socket or wrench to loosen and remove it. Be careful: hot oil may come out quickly.
- Inspect the crush washer and replace if it shows signs of wear or damage.
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Let Oil Drain Completely
- Tilt the bike side to side slightly to ensure all old oil has completely drained out.
- Inspect oil for unusual metal shavings or color—which may indicate internal wear.
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Clean and Reinstall the Drain Plug
- Wipe the bolt and threads clean. Fit a new crush washer if needed. Hand-thread the plug, then tighten to factory torque spec (check your service manual for the correct value). Do not over-tighten to avoid stripping threads .
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Add New Transmission Oil
- Insert a funnel into the fill opening. Pour in 675 ml of your preferred transmission oil (Motorex, Motul, or as specified).
- Fill slowly to avoid air bubbles. If using a clear bottle, measuring directly in a metric cup is easiest and most accurate .
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Replace the Oil Fill Cap
- Once filled, secure the cap firmly by hand.
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Check Oil Level
- Some models have a sight glass (inspect to ensure oil is visible about halfway up the window). If not, rely on the measured fill amount .
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Start the Engine and Check for Leaks
- Let the bike idle for a minute. Turn off and check under the drain plug for any leaks. Re-torque the bolt if necessary.
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Dispose of Old Oil Properly
- Use a suitable oil recycling center or bring to your local auto parts store.
Troubleshooting and Tips
- Do not mix oil types or viscosities. Consistency helps the clutch and gearbox function optimally.
- Record your oil change hours to stay proactive on maintenance. Factory recommends at least every 15 hours or sooner for aggressive riders .
- If you accidentally overfill, remove the drain plug briefly to let excess oil out, then re-measure and top off as needed .
2019 KTM 250XCW TPI Oil Change: Model-Specific Reminders
- 2019 2-stroke transmissions are filled via a side fill cap—there is no dipstick. Carefully measure 675 ml for correct lubrication .
- Factory service manuals may specify a higher fill of 800 ml after a total tear-down only. For normal changes, always use 675 ml for best clutch and shifting feel. Overfilling is a known issue on these bikes.
- Be cautious when re-threading steel bolts into aluminum cases; always hand-start to avoid damaging threads.
Summary
A transmission oil change on your 2019 KTM 250XCW TPI is straightforward when you follow the right steps and use the correct oil amount—675 ml. Always keep the area clean, torque bolts to spec, and change your oil at recommended intervals to keep your bike running strong. For more OEM and aftermarket parts, visit MotoSport.com for the best deals and support.
Related Shopping Categories
Shop Motor Oil for a 2019 KTM 250XCW TPI Dirt Bike.
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Shop Tools for a 2019 KTM 250XCW TPI Dirt Bike.
Shop Oil Fillers and Drain Plugs for a 2019 KTM 250XCW TPI 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.