YW Engines

This engine is designed for 1.20 models with auto advance sparking system, and its crankcase is machined from solid aluminium anodised bar. The crankshaft is driven through 3 high quality ball bearings and 2 needle bearings.

Model	YW-24
Displacement	23.95cc
Bore & Stroke	33mm/28mm
Weight	860g (w/o muffler)
Ignition	Electronic ignition
Spark Advance	Auto advance
Propeller	APC 16 x 8
Speed range	1,400 - 10,000 rpm

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The YW40-V2 engine is designed for big models with 80" wing span requiring high level of reliability and performance. This engine also has auto advance sparking system, and its crankcase is machined from solid aluminium anodised bar. The crankshaft is driven through 3 high quality ball bearings and 2 needle bearings.

Model	YW40-v2
Displacement	39.81cc
Bore & Stroke	39.8mm/32mm
Weight	1,520g (w/o muffler)
Ignition	Electronic ignition
Spark Advance	Auto advance
Propeller	20x8, 20x8, 19x8
Speed range	1,400 - 9,000 rpm

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