How to Change Coolant in Your 2023 GAS GAS MC-E 5
Maintaining your 2023 GAS GAS MC-E 5 ensures performance & longevity—coolant replacement is essential for safe, efficient operation. Though the MC-E 5 is an electric model, it features a liquid-cooled motor system that still requires regular coolant changes to prevent overheating and extend motor life. Here is a proprietary, MotoSport-exclusive guide to changing the coolant like a pro.
Tools & Supplies
- Fresh, manufacturer-recommended coolant
- Drain pan
- Socket set or wrench (check your owner's manual for exact sizes)
- Torque wrench
- Shop rags
- Gloves & eye protection
- Funnel
Step-by-Step Coolant Change Guide
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Prepare the MC-E 5
- Move your dirt bike to a level surface and allow it to fully cool. Never open coolant components while hot—the coolant is pressurized and can cause scalding injuries.
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Locate the Coolant Reservoir & Drain Bolt
- Access the coolant reservoir (usually behind a plastic guard on electric GAS GAS bikes). The drain bolt is typically found at the bottom of the motor’s cooling system housing. Reference your owner's manual for precise locations.
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Drain Old Coolant
- Remove the reservoir cap.
- Place the drain pan under the drain bolt, loosen the bolt carefully, and let all coolant flow out.
- Retain or replace any washer or O-ring found with the drain bolt per manufacturer instructions.
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Flush (Optional)
- If performing a full maintenance flush, add distilled water into the reservoir, replace the cap, run the motor briefly, then drain again to remove residue.
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Replace Drain Bolt
- Reinstall the drain bolt and torque to spec (check the MC-E 5 manual for specific values).
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Add New Coolant
- Slowly pour new coolant into the reservoir using a funnel to avoid spills.
- Fill to the recommended level—do not overfill. The MC-E 5 electric cooling system requires a specific volume; locate this value in your model-specific documentation.
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Bleed the System
- Some MC-E 5 models feature a bleed screw on the cooling circuit. Loosen gently to release air bubbles, then retighten once coolant flows steadily.
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Recheck Levels & Inspect for Leaks
- With everything sealed, run the motor briefly, switch off, and recheck the coolant level. Top off if needed.
- Inspect around the drain bolt, reservoir, and hoses for any signs of leakage.
Owner Notes for the 2023 MC-E 5
- Electric Cooling System: Unlike typical 2-stroke or 4-stroke engines, the MC-E 5’s motor uses a liquid cooling circuit specifically designed for electric vehicle demands. Always use a coolant specified for electric bikes to prevent corrosion and electrical shorts.
- Coolant Type: Many standard motorcycle coolants contain silicates or phosphates that can damage electric motor internals. Check your manual for recommended coolant formulas and intervals.
- Interval: GAS GAS generally recommends changing coolant annually or every 100 operating hours, whichever comes first. If used in muddy, sandy, or extreme conditions, check more frequently.
- Environmental Disposal: Used coolant is toxic—dispose responsibly at local collection centers.
- Warranty Note: Keeping up with recommended coolant changes helps maintain warranty coverage and optimal diagnostic readings for electric systems.
Common Mistakes to Avoid
- Never open the cooling system when hot—risk of severe burns!
- Do not mix coolant brands unless manufacturer explicitly approves—chemical reactions can reduce efficiency.
- Always torque the drain bolt properly to avoid stripping or leaks.
- Clean any spilled coolant immediately, especially near connections and electronics.
Caring for your MC-E 5’s cooling system keeps you riding longer with fewer issues—for all your OEM and performance upgrades, remember to shop parts for your ride now!
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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.