Steep slopes (up to 20°) — where you wouldn’t take a rider — are also better-suited to a Self-Propelled model. This means increased engine efficiency and more power to your application. Belt-driven OHC design Mini 4-Stroke Series In addition to the milder operating noise of 4-Stroke engines in general, the Mini 4-Stroke’s belt-driven OHC design further reduces unpleasant mechanical noise.
See more information here. Q: How does my warranty work? A: DR® machines come with a 2-year warranty (for residential use, 90 days for commercial use) that covers all defects in materials and workmanship. The 2-Year Limited Warranty on a DR® Walk-Behind Leaf and Lawn Vacuum starts on the date the machine ships from our factory. Integrated ECU (electronic control unit) with a self-tuning regulator (STR) governor system iGX Series Honda iGX engines feature an integrated ECU (electronic control unit) with a self-tuning regulator (STR) governor system. Operation is automated Control becomes surer, faster and easier. The self-propelled machines are perfect for leaf collection in highly landscaped areas.
Replace micron air filter. 63,750 miles 6 Speed Manual — Recommended service: Replace engine oil and filter. 67,500 miles 6 Speed Manual — Recommended service: Replace engine oil and filter. When you put it all together (with fewer parts) you get an engine with reduced emissions and greater-than-ever durability. Cooling is also improved by each of the lightweight aluminum pushrods being housed in a separate tube to achieve enhanced airflow.