Yes, engine overheats. If it's a newer boat an engine alarm will sound. My
2001 Maxum had a misaligned pulley when I purchased it. Belt came off about
half a dozen times. The engine manual showed a completely different belt
configuration but I figured it out eventually. I made my own diagram in the
back of the book. Got pretty fast at re-looping the belt by the time my
dealer got it fixed. It taught me how reliant you are on the belt and I
always carry a spare now!

"David Pendleton" wrote in message
...
Hello all.

I have a Mercruiser 5.7L EFI. This engine has a rather large serpentine
belt. I have a spare, but I've never broken one.

What happens when this belt breaks? Loss of power steering? Electrical
power? Worse?

Thanks all.

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