Magnum – Bringing you high performance at an affordable price for more than 20 years! During that time the line has grown and expanded to offer a full line of 4-stroke and 2-stroke engines. And, all are made from the finest materials on the latest machinery. Plus, you get the added security of a full one-year warranty that protects you from any manufacturing defects and/or premature wear (crash damage not covered). For reliability, high quality, and performance the choice is MAGNUM!

This is the perfect engine for "40" size two-stroke aircraft which can handle the slightly bigger size and weight of a four-stroke engine. This is probably the best sub-60 size sport four-stroke ever designed! Smoother running, more dependable, and no doubt the best engine value on the market today! Throttle response is strong and instantaneous. Now comes with a blue valve cover

Specifications:

• Displacement: 52ci (8.53cc)


• Bore: 23mm


• Stroke: 21mm


• Practical RPM: 2,000 - 10,500


• Weight: 15.7 oz


• Exhaust thread size: M10 x 0.75