I believe most if not all Yanmar (or any diesel) are interference engines. I think they recommend 1200hrs or 4 years on timing belts. Best to ask the dealer.
On Fri, Jul 31, 2020 at 11:07 AM Robert Abbott via CnC-List < cnc-list@cnc-list.com> wrote: > 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> 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. >> >> >> _______________________________________________ >> >> Thanks everyone for supporting this list with your contributions. Each >> and every one is greatly appreciated. If you want to support the list - >> use PayPal to send contribution -- https://www.paypal.me/stumurray >> >> > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each and > every one is greatly appreciated. If you want to support the list - use > PayPal to send contribution -- https://www.paypal.me/stumurray > > > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://www.paypal.me/stumurray > >
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