18-7866 FUEL WATER SEPARATING FILTER - HIGH HORSEPOWER YAMAHA 10 MICRONFilter Size: High Capacity 6" or 152. 4mm Rating: 10 Micron Ethanol blended fuel absorbs more water and loosens more particulants than regular fuels Proper filtration is required for every horsepower engine Sierra's 10 micron filters are over 90% efficient at removing particles as small as 10 micron All filters flow at 90 GPH to feed even the hungriest motor Thread Pitch: 11 16 16 Applicable on all high HP 2 Stroke and 4 Stroke Yamaha engines