Beta RR 300 Racing (2021) — Specs

Identity
Manufacturer: Beta
Model: RR 300 Racing
Category: MX-Offroad
Type: MX-Offroad
Years: 2021 → 2021
Engine
Displacement (cc): 300
Cylinders: 1
Torque (Nm): 37
Dimensions

Overall length: 2195 mm
Overall width: 820 mm
Overall height: 1260 mm
Wheelbase: 1490 mm
Ground clearance: 320 mm
Drivetrain
Drive chain: 520 chain
Ignition
Spark plug: NGK BR7ES
Plug gap: 0.6 mm
Fluids & Filters
Engine oil: API TC 2-stroke (premix 1:50)
Air filter: Hiflofiltro HFA6101
Brake fluid: DOT 4
Service
Battery: YTX5L-BS
Service interval (km): 3000
Service interval (months): 12
Parts and consumables for this motorcycle
Data is gathered with care, but without guarantee. Always confirm critical information with your dealer or workshop.
Service notes
Service interval: every 3,000 km or 12 months, whichever comes first. Spark plug: NGK BR7ES. Brake fluid: DOT 4. Chain: chain drive. Always confirm critical values with the workshop manual or an authorised dealer.
OEM and quality aftermarket parts that fit this bike. Always confirm with your dealer before ordering.
Engine oil
Spec: 2-stroke premix (JASO FC/FD), typical ratio 32:1–50:1
- OEM OEM 2-stroke oil (JASO FC/FD)
- Premium Motul 800 2T Off Road (100% Synthetic, race)
- Premium Motul 510 2T Technosynthese (Semi-Synthetic)
- Standard Repsol Moto Sintetico 2T (Synthetic)
- Standard Elf Moto 2 Tech (Semi-Synthetic)
Fully Synthetic vs Semi-Synthetic
| Fully Synthetic | Semi-Synthetic | |
|---|---|---|
| Base oil | 100% chemical synthesis (ester or PAO) | Mineral oil + synthetic additives |
| Heat resistance | Excellent — stable at extreme heat & RPM | Good — suitable for normal temperatures |
| Cold start | Better — reaches engine faster when cold | Good — adequate for normal climates |
| Change interval | Longer (up to 10,000 km) | Shorter (5,000–7,000 km typical) |
| Price | Higher | Lower |
Oil filter
Spec: Not applicable — 2-stroke engine has no replaceable oil filter cartridge
- OEM 2-stroke engine — no engine-oil filter to replace.
- OEM Use the recommended 2-stroke oil grade listed above — clean oil is your only filtration.
Spark plug
Spec: NGK BR7ES
- OEM NGK BR7ES
- Premium NGK BR7EIX
Front brake pads
Rear brake pads
Front tire
Rear tire
Brake fluid
Spec: DOT 4
Coolant
Service interval
Spec: 3 000 km / 12 months
- OEM Engine oil + oil filter change
- OEM Air filter inspection
- OEM Spark plug check
- OEM Brake fluid replacement: every 2 years
Valve check
Spec: Not applicable — 2-stroke engine has no valves
- OEM 2-stroke engine — no valve clearance to inspect.
- OEM Inspect piston, rings and cylinder at engine rebuild intervals (~30–50 hours for race, longer for street).
- OEM Check exhaust power-valve operation (if equipped) every 20–30 service hours.
Suspension
Spec: 48 mm USD fork
- OEM Fork: 48 mm USD fork
Air filter
Drive chain
Battery
