Makita EM4250CA Commercial Grade 4-Stroke 24.5cc Brush Cutter (CARB Compliant) Fuel efficient 4-stroke engine - up to 60% fuel cost savings Quick start - low compression engine for easy starting Molded throttle assembly with side-grip throttle trigger Improved exhaust emissions are EPA Phase II, CARB Tier III compliant while maintaining power and performance 3 year warranty