I have a 23' Parker SE cc with a 200 yamaha four stroke I bought it used it had a 15x19 prop and only turned 4900 I then switched it to a 15x17 painted ss yamaha prop and the rpm's went up to 5300 I just recentlly tryed a 151/4x15 painted ss prop and got 6100 rpm's but it felt like it was...
