Use a 50:1 ratio of fuel to oil mix for 2-stroke cycle engines， recommend using only fresh gas with a minimum octane rating of 89 or higher (mid-grade to premium) at all times

A 50:1 Ratio = 1 US Gal. 89 Octane + 2.6 fl. oz. OR

Gas leaf blower features a 63.3 cc professional-grade 2-stroke engine

Lawn blower comes with a 5-year consumer/2-year commercial warranty

Pleated， automotive-style air filter for superior filtration

Posi-loc pipes provide secure connection

Hip mounted throttle with cruise control

Powerful performance coupled with ease of operation and maintenance

651 CFM at 233 MPH for quick and easy clean up of the largest jobs

Padded backrest and shoulder straps for comfort

Extra-flexible tube for cold weather operation

67.7 oz. see through fuel tank

Impact resistant L-style frame

Wide-angle tube rotation for optimum mobility