How to Change the Coolant in a 2017 Kawasaki KLX140R 17/14
Routine coolant maintenance is crucial for keeping your 2017 Kawasaki KLX140R 17/14 running smoothly, especially since this model is known for its lightweight frame, user-friendly performance, and approachable maintenance. Below is a step-by-step guide tailored for KLX140R owners looking to perform a complete coolant change.
What You Will Need
- Fresh, motorcycle-approved coolant (consult your manual for type – generally, a pre-mixed, silicate-free coolant is recommended)
- 10mm and 8mm sockets and ratchet
- Phillips screwdriver
- Small funnel
- Drain pan
- Clean rags
- Filtered or distilled water (if flushing)
- Protective gloves & eyewear
Preparation
- Allow the engine to cool completely before starting. Never attempt to open the cooling system when hot, as this can result in burns or injury.
- Park the bike on a secure, level surface using the side stand. This minimizes splattering and allows coolant to drain thoroughly.
Step-by-Step Coolant Change
- Remove the Side Panel
Use your 8mm socket to take off the left side panel for access to the coolant reservoir, if equipped. Not all KLX140R models have a separate overflow bottle, but access to the radiator cap is always necessary. - Remove the Radiator Cap
With a rag in place to catch any unexpected splashes, twist the radiator cap counterclockwise. If your bike has a bleeder cap on the opposite side, remove it too to release vacuum pressure and allow smooth draining. - Locate and Remove the Drain Bolt
Place a drain pan directly beneath the water pump (generally at the bottom right side of the engine case). With your 10mm socket, loosen the coolant drain bolt and allow all old coolant to drain.
Tip: Slightly tilting the bike side-to-side can help expel trapped fluid. Dispose of used coolant responsibly. - Flush (Optional but Recommended)
Reinstall the drain bolt finger-tight. Fill the radiator with distilled water, reinstall the cap, and briefly start the engine (no more than 1-2 minutes). Turn off the engine, remove the drain bolt, and drain the flush water. Repeat until water runs clear. - Reinstall Drain Bolt
Tighten the drain bolt to manufacturer torque specifications (avoid overtightening to prevent damage). - Add New Coolant
Using a funnel, slowly fill the radiator with your chosen coolant. It is best to pour steadily and allow trapped air to escape. Be alert not to overfillcheck your owner's manual for exact capacity. If your KLX140R has a reservoir, fill to the marked indicator line. - Bleed Air from the System
Slightly squeeze and release the upper and lower radiator hoses to help burp trapped air. This reduces the risk of air pockets that can cause overheating. - Check and Top Off
Replace and tighten the radiator cap. Start the engine and let it run at idle for several minutes, then switch off. Once the engine cools completely, recheck the coolant level and add more if necessary.
Special Notes for KLX140R Owners
- The KLX140R's air-cooled sibling models do not follow this procedure; this guide is for liquid-cooled engines only.
- Ensure you use a compatible, silicate-free coolant to prevent internal corrosion. The KLX140R's aluminum radiator and water passages are sensitive to the wrong coolant type.
- Monitor for leaks after servicethe compact design of the KLX140R's cooling system means even small leaks can become a problem quickly.
- Always follow your owner's manual for torque values and coolant specifications. If in doubt, consult a technician familiar with Kawasaki models.
Finishing Up
- Dispose of old coolant in accordance with local regulationsnever pour it down drains or onto the ground as it is toxic.
- Rinse off any spills immediately to protect paint and plastics.
- Record the maintenance in your log for future reference.
Keeping your KLX140R's cooling system healthy ensures optimal performance and long engine life – refresh your coolant as recommended and ride with confidence.
Related Shopping Categories
Shop Radiators for a 2017 Kawasaki KLX140R Dirt Bike.
Shop Coolant for a 2017 Kawasaki KLX140R Dirt Bike.
Shop Temperature Sensors for a 2017 Kawasaki KLX140R Dirt Bike.
Shop Tools for a 2017 Kawasaki KLX140R Dirt Bike.
Shop Radiator Hoses for a 2017 Kawasaki KLX140R 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.