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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 engines. All are made from the finest materials on the latest machinery. Plus, you get the added security of a full two-year unconditional 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! Select the bigger XL-91 RFS for those "60-to-75" size aircraft which accept four-stroke engines and need the extra punch that the bigger displacement gives. The XL-91 RFS idles beautifully, transitions without hesitation, and gives you the torquey full-throttle power you need for wild aerobatics. | ||
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Features: Ringed-Piston Design for Long Life and High Power Rear-Updraft, Dual-Needle Carburetor High-Flow Quiet Muffler Dual Ball Bearing-Supported Crankshaft & Camshaft Dual Bushing-Supported Connecting Rod Excellent Design - the same height as popular 4-stroke 70 size engines Low Noise - Unique Engine Sound Uses Conventional Propellers Sizes Can be mounted inverted Low Maintenance Easy to Tune Low Cost Spares Suitable for modellers of all skill levels Full TWO-YEAR UNCONDITIONAL WARRANTY! Glowplug REQUIRED: OS F-Type Plug Specifications: Manufacturer - MAGNUM ENGINES Engine Type - 4-stroke - Glow ignition Displacement - .91ci (14.95cc) Weight (w/o Muffler)21.7oz / 22.4oz (w/ Muffler) Bore: 27.7mm Stroke: 24.8mm Exhaust thread size: M11 x 0.75 Propeller shaft diameter - 5/16-24 Practical RPM range @ prop - Practical RPM: 2,000 - 12,000rpm Example prop sizes (2-blade) 13x6 to 14x8 Recommended Fuel 15% nitro methane and no less than 16% Castor/synthetic blend lubricant fuel OWNERS MANUAL |
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