Facet pumps for motorcycles with carb engines. These pumps replace unreliable mechanical pumps on bikes such as Honda Deauville, African Twin and the KTM 950. When looking at these pumps the Facet 40171 has  has lowest pressure / flow rate with built in check valve to prevent fuel flow back. The Facet 40104 and 40105 are popular choices being low pressure yet with higher flow rate than 40171. The 60301 has a built in check valve to prevent fuel flowing back through the system and a higher dry prime height. All Facet pumps are continuous operation pumps.