Jeffery,

Thank you for the explanation.      I have a Yanmar 2GMF which I will assume then is a non-interference engine.

Any idea when the timing belt should be changed.....e.g. number of engine hours or overall age of the belt?

Rob Abbott
AZURA
C&C 32 - #277
Halifax, N.S.



On 7/31/2020 11:57 AM, Jeffrey Brideau via CnC-List wrote:
Some engines are deemed interference engines wherein the pistons occupy the same space as an open valve. If the timing belt brakes, the pistons become out of sync with the valve train and havoc ensues. With non-interference engines, it’s just a major inconvenience.

On Fri, Jul 31, 2020 at 10:34 AM Robert Abbott via CnC-List <cnc-list@cnc-list.com <mailto:cnc-list@cnc-list.com>> wrote:

    Has anyone ever experienced an issue with a broken timing belt in our
    marine diesel engines?

    A club member had his break recently and it destroyed his engine
    which
    he choose to replace rather than repair....and not sure if it
    actually
    could be replaced.   I'll get more info on the exact type of
    engine and
    the extent of the damage.  He said some marine diesel engine 'timing
    belts' can break but not cause the kind of damage his did.

    Rob Abbott
    AZURA
    C&C 32 - #277
    Halifax, N.S.


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