- 4-stroke – no fuel/oil mixing
- Full 360° "any-side-up" operation – use and store in any position
- Exclusive rotary-slinger lubrication system
- Approximately 20% more efficient than the operating cost of comparable 2-stroke engines
- Efficient port configuration and large diameter valves maximize power output
- Lighter, more rigid valve train
- Carburetor equipped with accelerator pump for fast, easy acceleration
- Precision-engineered components result in lower vibration
- Lighter piston minimizes vibration
- Ball bearing supported crankshaft for greater stability
- Roller bearing supported connecting rod
- Belt-driven OHC design reduces mechanical noise
- Large capacity, multi-chamber exhaust system
- For extra noise control, an inner protector has been added inside the cowl
- Sophisticated air intake system
- High-quality materials, fit, and finish
- Lifetime timing belt design (in-oil design)
- Integrated fuel system protection
- Diaphragm carburetor
- Muffler with spark arrester
- Easily accessible spark plug
- Easy to drain and re-fill oil
- No mixing of gas and oil
- Exhaust decompression system
- Unique low-inertia design
- CARB Tier 3, EPA Phase 3 and EU stage 5 certified
- No catalyst necessary
- E10 compliant (10% ethanol)
- Special designs for horizontal applications available