Have a 1988 Merc 175 Blackmax. My son and I just put on new flo torq hub and put her in water. Idled out a ways and then slowly throttled up. Ran like a dream for about 45 seconds and then prop started spinning. Idled back to marina, pulled boat out and checked prop. Apparently my son...
Hello...Brand new to forum and Mercury Outboards. I just acquired an old 1992 Mercury 175 Optimax (2 stroke of course). Put in water last weekend and ran great--up to about 45MPH on a heavy 22 foot deck boat. After running around about 15 minutes the prop appeared to start spinning on the...
