RMV2.5G30 PRESSURE WASHER PUMP For AXIAL 2.5GPM 3000 PSI 3400 RPM 3/4″ SHAFT by | Jul 22, 2026It is most commonly uséd with Honda GC160 motors with a horizontal shaft. Two bearing systems, to support the pump shaft and pistons. Bolts directly to gas engines up to 6.5 HP (horizontal shaft only).