OS is at the forefront of 4-stroke engine technology and you will feel it when you mount the FSa-72II in your model! Sport flyers will enjoy more performance, while scale pilots will enjoy a more realistic deep, rich sound from the FSa-72II.

New upgrades make the popular FS72 an even better engine option!
The bleed nipple on the body cover ensures more stable operation.
The black valve cover gives the engine a more impressive look.
The F-5030 silencer can be positioned to ideally fit the model.
Has the same installation dimensions as the FS-72a and will fit all designated models with no modifications required.

Specifications:

• Dist. mounting holes lengthwise [mm]: 20mm
• Distance fastening holes across [mm]: 45mm
• Article number manufacturer: OS34721
• Design: 4-stroke nitro
• Fixing hole Ø [mm]: 3.7mm
• Bore [mm]: 27.0mm
• Speed ??range approx.: 2400-12,500 rpm
• Recommended propeller: 12x7 - 14x7
• Total weight [g]: 476g
• Approx. height [mm]: 108mm
• Stroke [mm]: 20.6mm
• Displacement [ccm]: 11.8mm
• Length to hub: 148mm
• Power kW (hp) 0.89 (1.2) at 11,000 rpm
• Carburettor: 61N
• Shaft Ø [mm]: 6.1mm
• Shaft thread: UNF 1/4-2