Lalbero engine is a component of fundamental importance for the good operation of a motor, replace lalbero engine does not provide performance improvements, but it allows to exploit the full potential of your motore.Lalbero motor rotates within two bearings accommodated in the crankcase halves, being the bearings moving parts, thus subject to wear, it is important to be able to return the engine in optimal conditions, replace them. Moreover, it is stuck with interference, in the process of replacing the tree are irreparably damaged. Another key component of the system are the crankshaft oil seals that must ensure a perfect seal of the crankcase. The tightness of seals is ensured by a plastic lip which strip sullalbero engine then are subject to wear and, acting on them, it is easy to damage. To ensure correct operation because of a trivial loss engine is advisable to replace them every time you work on the engine by opening the engine crankcase. For these reasons Motorparts the usual motor / roller cage shaft kit matched the bench kit that includes bearings and oil seals necessary to ensure the success delloperazione.Il This crankshaft has a 39.2 mm Stroke If you have any other doubt you always call us and we will be happy to help. Read below the applications for this article. Top Crankshaft bearing seals YAMAHA WHY 50 applications: YAMAHA WHY 50 To ensure correct operation because of a trivial loss engine is advisable to replace them every time you work on the engine by opening the engine crankcase. For these reasons Motorparts the usual motor / roller cage shaft kit matched the bench kit that includes bearings and oil seals necessary to ensure the success delloperazione.Il This crankshaft has a 39.2 mm Stroke If you have any other doubt you always call us and we will be happy to help. Read below the applications for this article. Top Crankshaft bearing seals YAMAHA WHY 50 applications: YAMAHA WHY 50 To ensure correct operation because of a trivial loss engine is advisable to replace them every time you work on the engine by opening the engine crankcase. For these reasons Motorparts the usual motor / roller cage shaft kit matched the bench kit that includes bearings and oil seals necessary to ensure the success delloperazione.Il This crankshaft has a 39.2 mm Stroke If you have any other doubt you always call us and we will be happy to help. Read below the applications for this article. Top Crankshaft bearing seals YAMAHA WHY 50 applications: YAMAHA WHY 50 This shaft has a stroke of 39.2 mm If you have any other doubt you can always contact us and we will be happy to help. Read below the applications for this article. Top Crankshaft bearing seals YAMAHA WHY 50 applications: YAMAHA WHY 50 This shaft has a stroke of 39.2 mm If you have any other doubt you can always contact us and we will be happy to help. Read below the applications for this article. Top Crankshaft bearing seals YAMAHA WHY 50 applications: YAMAHA WHY 50 chassis number: 98/05