No break-in period You go flat-out, right out the box, thanks to our boron-nitrate cylinder bores. Its your time on the water. Dont waste a second of it breaking in a four stroke.Fewer parts, more peace of mind No belts, camshafts or exhaust valves to break down. You can go a lot farther, knowing your engine will get you back.Parts that last Low-friction design for greater performance and longer life, under any load. Parts that are built better, tested longer.