How to Change the Coolant in a 2020 Husqvarna 701 Supermoto
Shop parts for a 2020 Husqvarna 701 Supermoto Dirt Bike.
Regular coolant changes are vital for the performance and longevity of your 2020 Husqvarna 701 Supermoto. This guide details a step-by-step, MotoSport-exclusive process designed specifically for this model and highlights key items every owner should watch for during service.
What You Need
- Fresh, compatible motorcycle coolant (refer to your owner manual for spec)
- 10mm socket and ratchet
- Drain pan
- Funnel
- Shop towels
- Protective gloves
Draining the Old Coolant
- Let the engine cool completely before starting. Hot coolant can cause serious burns.
- Prop the bike on a firm, level surface with the kickstand or paddock stand.
- Remove the side panel(s) as necessary to access the radiator cap and reservoir.
- Open the radiator cap to break the vacuum seal. Do this before removing the drain bolt to let coolant flow out freely and to avoid making a mess.
- Locate the coolant drain bolt on the throttle side of the engine casing. Place the drain pan beneath it.
- Carefully loosen and remove the drain bolt using a 10mm socket. Allow all coolant to drain.
- Remove the compensating tank (coolant reservoir) cap to flush the last of the old coolant.
Flushing the System (Optional but Recommended)
- If you're switching coolant types or suspect contaminants, flush the system with distilled water, then repeat the drain procedure.
- Do not use tap water to avoid mineral deposits.
Refilling with New Coolant
- Replace and tighten the drain bolt securely. Double-check for leaks before filling.
- Using a funnel, slowly fill the radiator with fresh recommended coolant until it reaches the top.
- Fill the compensating tank to the "max" mark as indicated.
- Reinstall the radiator and reservoir caps.
Bleeding – Removing Air Bubbles
- Start the engine and allow it to idle with the radiator cap on. Let it warm just enough for coolant to circulate (do not let it overheat).
- Check coolant levels in both the radiator and the reservoir after a minute or two. Top off if the level drops, as trapped air escapes.
- Repeat once or twice, checking for leaks and correct fluid levels.
Reassemble and Inspect
- Reinstall the side panels.
- Ensure coolant is between the min and max marks on the reservoir.
- Wipe down any spilled coolant–it is hazardous to pets and the environment.
Important Model-Specific Notes
- On the 2020 Husqvarna 701 Supermoto, a coolant leak beneath the starter motor can indicate a weep from the water pump. If you notice coolant pooling under this area or persistent drops on the exhaust, inspect the seals and gaskets closely and resolve leaks before running the bike hard. This is an occasional issue as bikes accumulate miles.
- Never overfill. The 701's compact cooling system is sensitive to fluid level; overfilling can cause overflow when hot.
- Always use the specified coolant type to avoid damaging cooling components and internal seals.
- If your low coolant indicator lights up, stop immediately and check for leaks or possible overheating before riding further.
Disposal
Dispose of all used coolant properly at an approved recycling facility. Never pour coolant into drains, soil, or regular trash–it is toxic to humans, animals, and the environment.
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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.