This is an instruction manual for a Makita Brush Cutter/String Trimmer.
This manual explains the safety instructions, required personal protective equipment, and safe operating practices for the Makita RBC2500 and RBC2510 brush cutters. It covers proper refuelling, start‑up, cutting techniques, and precautions to avoid kick‑back and other hazards.\n\nThe document also details assembly, mounting of handles and guards, maintenance schedules, troubleshooting, and storage recommendations. Technical data such as dimensions, engine performance, and fuel mix are listed for reference.
| Dimensions (RBC2500) | 1770 × 620 × 410 mm |
|---|---|
| Mass (RBC2500) | 45 kg |
| Fuel tank volume | 0.5 L |
| Engine displacement | 24.5 cm³ |
| Maximum engine performance | 0.73 kW at 7000 min⁻¹ |
| Maximum spindle speed | 6000 min⁻¹ |
| Idling speed | 2600 min⁻¹ |
| Clutch engagement speed | 3600 min⁻¹ |
| Carburetor type | ZAMA |
| Ignition system type | Solid state ignition |
| Spark plug type | NGK BM7A |
| Electrode gap | 0.6‑0.7 mm |
| Sound pressure level | 94.5 dB |
| Sound power level | 107.0 dB |
| Fuel mix ratio | 50 : 1 gasoline to oil |
| Gear ratio | 14/19 |
Shut off the engine, keep away from open flames, wear protective gloves, avoid skin contact with fuel, and refuel in a well‑ventilated area at least 3 m from the machine.
The spark plug electrode gap should be 0.6‑0.7 mm; check it regularly and adjust if it is too wide or narrow.
Use Makita genuine two‑stroke engine oil mixed with gasoline at a 50 : 1 ratio.