I bought a used twin-engine boat (first mistake). It came with one extra Quicksilver Mirage Plus stainless prop with the numbers "48-13705 A4T 23P" stamped on it. "23P" is the pitch size (I assume), but is there a way to use this number to determine the prop's diameter and the direction of...
Thanks for any suggestions. For the past year, my 1998 Yamaha 130 (1,000 hrs on hr. meter) has been fouling the plugs on the port side after 15-20 hrs. of use. The boat is used on sea turtle surveys here in the Keys and is driven 60 miles on each trip. The plugs get gas-fouled, especially the...
