
BOAT ENGINE REPOWER
This winter, a NorthCoast 24 was repowered at HYS. Two 220 hp Chrysler gas engines were replaced with a pair of Yanmar 4BY engines rated at 180 hp each. The reduction in horsepower may marginally reduce the vessel’s top speed, but will greatly increase its out of pocket performance due to greater low end torque. This is a particular problem associated with these NorthCoast 24s. We hope to also have improved performance and trim with the inclusion of new trim planes, which sho