YAMAHA BELT 6P2-46241-02

Function and technical context

The Yamaha 6P2-46241-02 belt is a power transmission component that connects the crankshaft to engine accessories such as the alternator, water pump, and air conditioning compressor in marine applications. This belt works on the friction drive system, transmitting the rotation of the motor through pulleys of different diameters so that each accessory operates at its optimal speed. Its state of conservation is critical: a worn or broken belt interrupts engine cooling by stopping the water pump, causes a loss of battery charge due to alternator failure and can cause severe overheating that irreparably damages the engine block.

When to replace this part?

Signs of wear on a belt include visible cracks in the surface, frayed edges, splitting, or a high-pitched grinding sound when revving the engine, especially during cold starts. It is recommended to inspect the belt at each seasonal maintenance and replace it preventively every 3-5 years or according to the engine mileage/hour, depending on the conditions of use and exposure to ultraviolet light. Preventatively changing the strap at your annual winter check prevents unpredictable boating failures and costly emergency repairs that could leave you stranded on the water.

Equivalent manufacturer part numbers