Description
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
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