This is a Magnum XL 1.80RFS R/C 4-Stroke Engine. The XL 1.80RFS is a single cylinder, four-stroke engine incorporating an aluminum piston, iron ring and steel sleeve for long life and high power output. A dual-needle valve carburetor for precise fuel/airflow metering is standard.

This is a Magnum XL 1.20RFS R/C 4-Stroke Engine. The XL 1.20RFS is a single cylinder, four-stroke engine incorporating an aluminum piston, iron ring and steel sleeve for long life and high power output. A dual-needle valve carburetor for precise fuel/airflow metering is standard.

This is a Magnum XL .91RFS R/C 4-Stroke Engine. The XL .91RFS is a single cylinder, four-stroke engine incorporating an aluminum piston, iron ring and steel sleeve for long life and high power output. A dual-needle valve carburetor for precise fuel/airflow metering is standard.

This is a Magnum XL .70RFS R/C 4-Stroke Engine. The XL .70RFS is a single cylinder, four-stroke engine incorporating an aluminum piston, iron ring and steel sleeve for long life and high power output. A dual-needle valve carburetor for precise fuel/airflow metering is standard.

This is a Magnum XL .52RFS R/C 4-Stroke Engine. The XL .52RFS is a single cylinder, four-stroke engine incorporating an aluminum piston, iron ring and steel sleeve for long life and high power output. A dual-needle valve carburetor for precise fuel/airflow metering is standard.

The Magnum XLS .61A is a single-cylinder two-cycle engine incorporating ABC (Aluminum piston, Chrome plated Brass sleeve) technology for long life, high power output and easy break-in. A dual needle valve carburetor with a remote high speed needle valve for precise fuel/airflow metering is standard.