I'm the proud owner of a Yamaha 25 at mooring in Hong Kong. The YSM 8 is giving or has given up the ghost. At the moment a professional mechanic can get it started with ether, but I can't and considering the good service it's given over the last 35 years I figure it's time to move on. So, rebuild or replace? I know that a previous poster on this forum decided on rebuilding a couple of years ago. I'm okay with that, but I wonder if it would be faster and easier just to go for a newer, possibly Chinese, engine. I am in China, after all, and the sampan operators seem to get good use of their Chinese engines. But, I'm wondering what engines of any origin would fit in the vee berth with minimal extra work. Later model Yanmars? Or, given the issues of size, fit and existing connections and plumbing, rebuild after all? If any of the Hong Kong and Macau poster reads this, referrals to sources of supply would also be very welcome.