How to Change the Oil in a 2024 Beta 350 RS: Complete Guide
Shop parts for a 2024 Beta 350 RS Dirt Bike!
Keeping the engine and transmission oils fresh is crucial for ensuring the longevity and performance of your 2024 Beta 350 RS. This model features a split engine and transmission oil system, common among recent Beta 4-stroke motorcycles, adding an important step to your maintenance routine. Follow this proprietary MotoSport guide for a precise, efficient oil change process – designed specifically for your MMY dirt bike.
What Makes 2024 Beta 350 RS Unique?
- Separate engine and transmission oils – always use the correct oil in each side.
- Oil quantity and checks – engine and transmission each require about 650–750 mL, but always confirm in your owner’s manual for the most accurate volume.
- Sight glass & check bolt – engine side uses a sight glass; transmission uses a check bolt to prevent overfilling.
- Beta-specific drain and fill locations – precise positioning matters for correct maintenance.
Essential Tools & Supplies
- 8 mm and 13 mm sockets
- Torque wrench (for precise bolt tightening)
- Drain pan
- New engine and transmission oil (10W-50 recommended)
- New oil filter and O-rings
- Shop towels
Step-by-Step Oil Change Instructions
- Warm up the bike. Run the engine for 2-3 minutes to ensure oil flows easily.
- Remove skid plate if equipped, for access to drain bolts.
- Place a drain pan beneath the engine and transmission drain bolts.
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Engine Oil Drain:
- Remove the engine oil drain bolt (13 mm socket).
- Allow the oil to fully drain.
- Remove the oil filter cover (8 mm bolts), then replace the oil filter and O-ring.
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Transmission Oil Drain:
- Remove the transmission drain bolt and let the oil drain out completely.
- Inspect and replace O-rings on both drain bolts before reinstalling.
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Tighten drain bolts:
- Engine drain bolt: 15 Nm
- Transmission drain bolt: 20 Nm
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Refill oils:
- Engine side: Add 650–750 mL of oil. Start with 650 mL, then run the bike and check the sight glass. Oil should reach the middle of the window with the bike level and engine idling.
- Transmission side: Add 750 mL of oil. Remove the transmission check bolt after filling; oil should just reach the bottom of the threads.
- Reinstall filler caps with new O-rings and snug down.
- Check for leaks, start the bike, and let it idle for 2–3 minutes. Recheck oil levels and top off if needed.
- Reinstall your skid plate and get back to riding!
Additional Tips for Beta 350 RS Owners
- Beta recommends using only their approved oil filters and O-rings for best performance and sealing.
- Always torque drain bolts to spec to avoid stripping threads or causing leaks.
- Consistent oil change intervals are especially important for the high-performance DOHC engine in your 2024 RS.
- Never mix up engine and transmission oil locations – they require different lubrication for internal components.
Regular oil changes keep your 2024 Beta 350 RS running smoothly and reliably. For all your service parts, fluids, and Beta-specific gear, MotoSport has what you need so you can ride with confidence.
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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.