Makita MM4 Concrete Saw

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The 14” MM4® 4-Stroke Power Cutter (model EK7651H) is the world’s first 4-stroke power cutter. The EK7651H is another innovation in Makita’s expanding line-up of concrete solutions.

The 4-stroke EK7651H delivers several advantages over 2-stroke. No oil mixing is required, so contractors get simplified operation and no more engine failure due to improper mix. The MM4® 4-stroke engine eliminates the need for separate mixed oil/fuel can.

For easier starts, the automatic engine decompression valve is engineered into the cam gear to reduce pull-start force by 40%. The EK7651H also has lower noise at 92.7dB(A), smoother idle for continuous operation, and lower fuel consumption at only .45 gallons per hour.

Additional advantages include a three-ring piston engineered for improved commercial engine durability, and reduced exhaust and intake carbon build-up for longer cylinder life. In addition, the EK7651H has a five-stage foam-paper-nylon filtration system with Advance Direction Air Flow to provide cleaner air for improved engine durability.

The power and performance features of the EK7651H make it a best-in-class 14” power cutter for a range of professional concrete cutting applications and is ideal for landscapers, road construction crews, railroad crews, rescue crews, general steel contractors, masons, and welders.

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  • Automatic engine decompression valve is engineered into the cam gear to reduce pull-start force by 40%
  • Pressure compensated carburetor with vented choke plate allows for optimum fuel delivery and reduces the occurrence of flooding during cold starts
  • Integrated all aluminum wheels reduce fatigue during long straight cuts and retract when not in use to prevent unexpected movement
  • Eliminates the need for separate mixed oil/fuel can
  • Lower noise at 92.7dB(A) and smoother idle for continuous operation
  • Five-stage, foam-paper-nylon filtration system with advance direction air flow provides cleaner air for better engine durability
  • Lower fuel consumption at .45 gallons per hour
  • Reduced exhaust and intake carbon build-up for long cylinder life
  • Three ring piston for improved commercial engine durability
  • Clear primer bulb facilitates fuel delivery to the carburetor for easier cold starts
  • Advanced oil separation and lubrication system to improve valve train durability and engine life
  • Specially treated rods, followers and valves minimize wear and extend engine life
  • Single lever On-Off-Choke operation switch for operator convenience
  • Shielded exhaust outlet and larger spark arrestor screen prevents contaminates from restricting air flow
  • External fuel tank vent eliminates pressure build up
  • Sealed cartridge recoil starter rope reduces wear by keeping out dust and debris
  • Cutting arm easily changes from center position to flush (outboard) position allowing cuts directly adjacent to curb edges, wall or directly above the ground
  • Cushioned operator grips with 4 vibration-absorption rubber buffers for increased operator comfort
  • Convenient oil level check and easy oil maintenance for longer engine life
  • Easy access carburetor for more convenient repair and maintenance
  • Replaceable tank fuel filter is easily accessible without special tools
  • Included water kit with quick release attachment is adaptable to most common hose threads

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