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Just bought a 1997 PRE 2150wt. Engine has 264 hours, I've put about 6 on it.
Yesterday, we were out wakesurfing (6 adults and 3 kids in the boat) when the tranny started to slip. At first we thought it was cavitation, so we kind of ignored it. Then when we started to wakeboard it was still there and, because we were giving it more power it was much more noticable. Basically here's what it does: It idles fwd and back smooth and clean. When you apply throttle, like to get a boarder up, it grabs for a second, then the engine revs for about a 1/2 sec and then catches again. Once it grabs it seems to be ok, or at least if its slipping its hard to feel. If you accelerate slowly, it is fine.
My first thought was that the tranny fluid was low, so I got the boat back into my driveway and about as level as I can, then checked the fluid level. With the engine cold (sat overnight) the fluid level comes right up to the full (cold) mark on the dipstick. The fluid also looks very clean and there appears to be no sign of water in there. Previous owner says it was changed over the winter.
The tranny is a Velvet Drive 1:1 model#10-17-004 and the motor is a mercruiser GM 350 EFI. Outside of the tranny and the rest of the motor is very clean, no sign of leaks at all.
Anyone got any ideas what's going on and what I can do to test/fix it??
Thanks!
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