Do I Sail with the Transmission in Gear or Not?

This is a perennial question that seems to pop up on every sailing list I'm on at least once a year or more. Here is the official word from Yanmar on the subject.

Capt'n Pauley

Advisory Number: MSA08-003:

DATE February 8, 2008 Dealers and OEMs
TO: All Marine Distributors
SUBJECT: Gear in Neutral While Sailing All MODELS:

All Sailboat Engines

We continue to get questions regarding the correct gear position while sailing with the engine OFF. This advisory is issued as a reminder; Yanmar requires that if sailing with the engine OFF (not running) the transmission shifter must be in the neutral position or internal damage to the gear or sail-drive will result. This damage will not be covered by Yanmar’s Limited Warranty. Please instruct customers and dealers who deliver the sailboat to the customer, of the correct (Neutral) position for the marine gear while sailing.

If the customer desires that the propeller shaft not spin while sailing, either a folding propeller, shaft break, or other suitable device may be used. However, Yanmar accepts no responsibility for the selection, installation, or operation of such devices. Please also refer to Marine service advisory “MSA07-001_Yanmar Sail Drive Propeller Selection” for additional information.

If you have any questions regarding this advisory please contact a Customer Support representative.

Comments

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[Chris]

Well, that settles it. I'd been wondering whether to engage or not engage.

This may or may not be broadly applicable outside of yanmars, though - some transmissions are lubricated from the drive side; I managed to mess up a jeep transmission by freewheeling down a mountain pass in neutral many, many years ago.