Correct engine RPM range

[pbyrne]

pby : The picture needed is the REAR of the alternator where the tach wires attach.

Noting the alternator paint job - I find it nearly impossible to believe that the adjusting nut on the top bracket has paint that has never been broken!!!! Factory Paint???

A few thoughts

Ok! I'll look there.

That photo was from April 2021. That's the original westerbeke belt as far as I know.  Since been changed, and paint cracked. I actually needed the part number today as I'm shopping for another belt!

[Ron Hill]

pby : Just take your old belt to an auto parts store where they sell a good Gates brand belt.  They can measure it and get you a new one.

Now if your alternator/pully is Original OEM you probably need a 395 size belt.

FYI, I also carry a spare belt - as a just in case!!

a few thoughts

[KWKloeber]

Pby

B engines use a
Dayco 15395
Westerbeke 30475

The resources are all on here!