How to Change the Coolant in a 2017 KTM 150XCW
Shop parts for a 2017 KTM 150XCW Dirt Bike.
Routine coolant changes are essential for keeping your 2017 KTM 150XCW running cool, preventing overheating, and extending the life of key engine components. This guide provides detailed, MotoSport-exclusive instructions tailored specifically to your 150XCW. As a 2-stroke enduro machine, the 150XCW features independent left – and right – radiators, a compact frame, and easy access for maintenance. Proper coolant maintenance is especially important for off-road riding conditions.
Tools & Supplies Needed
- 8 mm or appropriate socket or wrench
- Drain pan
- Fresh coolant (engine ice or factory recommended)
- Distilled water for flushing (optional)
- Shop rags
- Protective gloves
- Torque wrench (optional, for proper bolt tightening)
Step-by-Step Coolant Change Procedure
- Position the Bike: Place your KTM 150XCW on a stand and allow the engine to fully cool. Never open the radiator cap or drain hot coolant.
- Remove the Seat & Shrouds: If needed, remove the seat and side shrouds for better access to the radiators, cap, and drain bolt.
- Locate the Radiator Cap: The cap is mounted on the right radiator. Do not remove it yet. Wait until the drain bolt is open to reduce splashing.
- Find the Coolant Drain Bolt: On the 2017 KTM 150XCW, the coolant drain bolt is located at the bottom of the water pump cover, typically an 8 mm bolt. Position the drain pan underneath.
- Remove Drain Bolt: Slowly loosen and remove the drain bolt to let old coolant flow into the pan. Opening just the bolt will cause coolant to drain slowly due to a vacuum.
- Open Radiator Cap: With the drain bolt removed, gently open the radiator cap. This allows air in and helps coolant flow out faster from both radiators as they are linked in parallel.
- Inspect and Flush (Optional): If the coolant appears dirty or contaminated, re-install the drain bolt, fill the radiators with distilled water, then repeat the drain procedure to flush residue. Do not use tap water.
- Reinstall & Tighten the Drain Bolt: Inspect the bolt and sealing washer for wear. Replace if needed. Tighten per specifications. A new washer is recommended to avoid leaks.
- Add Fresh Coolant: Slowly pour new coolant through the radiator fill neck, filling to just below the rim. Squeeze upper and lower coolant hoses to help remove any air bubbles trapped in the system.
- Bleed the System: On some models, you may need to tilt the bike or lightly loosen a coolant hose fitting at the highest point to burp air. Look for any trapped air bubbles and ensure the radiator is fully filled.
- Reassemble and Check: Reattach the shrouds and seat. Start the engine and let it idle for several minutes with the cap on, watching coolant levels and for any leaks. Allow the engine to cool, then re-check coolant level and top off if needed.
Notes for 2017 KTM 150XCW Owners
- Coolant Type: Always use a high-quality, silicate-free coolant suitable for aluminum radiators. Avoid mixing different coolant colors/types.
- Radiator Design: The linked dual-radiator setup improves cooling but requires careful filling and bleeding for both sides to fully vent air.
- Maintenance Interval: Coolant should be changed at least annually or after deep water crossings/extreme rides.
- Spill Safety: Coolant is toxic – immediately change any clothing it contacts and wipe spills from engine or painted parts.
- Periodic Check: Inspect hoses, clamps, and the radiator cap for leaks or wear each time you service the cooling system.
Durable cooling system maintenance is key for your KTM's performance and reliability. This procedure provides a stress-free way to keep your 2017 KTM 150XCW ready for every MotoSport adventure. Always dispose of used coolant responsibly.
Related Shopping Categories
Shop Radiators for a 2017 KTM 150XCW Dirt Bike.
Shop Coolant for a 2017 KTM 150XCW Dirt Bike.
Shop Temperature Sensors for a 2017 KTM 150XCW Dirt Bike.
Shop Tools for a 2017 KTM 150XCW Dirt Bike.
Shop Radiator Hoses for a 2017 KTM 150XCW 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.