Nov. 17, 2003
Technical Bulletin
Boats Concerned: SO43, SO43DS, and SO45.2 with Yanmar 75HP engine
UNTHREADING OF SHAFT COUPLING ON TRANSMISSION:
We have received several claims regarding the unthreading of the shaft couplings on the boats equipped with the 75HP Yanmar engine.
During this time of winter storage, we would like for you to check the shaft coupling installation.
Correct installation: coupling made with stainless steel bolts and nuts with a locking washer.
Installation to be corrected: coupling made with stainless steel bolts and nylon lock nuts; there is a risk that the bolts are not long enough to engage the nylon lock nut.
Please contact Jeanneau America, if you have any questions.
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