While crossing the Mona Passage, 35 nautical miles offshore, we ran into trouble with our Yanmar 4JH4E. We were motoring in light winds when we noticed a change in the exhaust pitch — turns out, seawater wasn’t flowing properly. We checked the impeller and, strangely, it looked intact… but it could spin freely by hand — not a good sign. After getting towed back to our anchorage at midnight (huge thanks to Michael, who came out and saved us!), we dug deeper and discovered that the gear inside the old water pump had worn down badly. It turns out the pump wasn’t making full contact with the internal gear, likely due to an aftermarket impeller and shallow gear engagement. We ordered a new OEM water pump from R&B Power in San Juan, and they were awesome — super responsive and got us the part

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Breaking Waves is a channel about Ben and Alie sailing the world in search of the best surf waves, and the adventures they find themselves in. SV Kiana is a 1989 Sceptre that has circumnavigated once already, Ben and Alie refit her to do it again! To join us on Patreon and get exclusive content! https://www.patreon.com/breakingwavessailing Follow us on instagram for daily updates! https://www.instagram.com/breakingwaves.alie https://www.instagram.com/breakingwaves.ben Facebook page: https://www.facebook.com/breakingwavessailing Get your Breaking Waves Swag at https://www.breakingwavessailing.com/shop A portion of everything we make from this channel will be donated to https://www.ruggedcoastresearch.com to help us clean up the ocean. #sailing #surfing #liveaboardlife

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