Hi all. I noticed that Rodbolt in another post noted that thermostats are used as part of the pressure control system. I have a 93 115 V4 Yammy. A merc dealer recently serviced it and put in a new water pump including seals. He took out the thermostats and said that they were gummed up (they were only 1.5 years old). He said that in our climate (winter is rarely less than 2-3 degrees centegrade (water dont freeze in my part of town) we dont need them. The engine runs beautifully and is pumping heaps of water out of the exhaust and out of **** tale at idle. I have noticed that the engine gets slightly hotter in one bank than the other - is that normal? Both can be touched with hand staying on them without being burned or having to move hand away. What do you guys think about the thermostats being removed in warm climates - I always idle the motor to warm before getting under way under throttle and up onto the plane.<br /><br />Also - I have the motor on a 21' Seafarer cruiser (f'glass deep V 21 degrees- from 70's)- about 1700 kilos with people and gear on board. It gets on the plane nicely without anywhere near full throttle and holds it well. It cruises nicely at 4000rpm at 25 miles per hour and if I wind it out it will do 39 miles an hour at 5500 rpm. I was wondering if the yammie (low hours - about 400) would be happy to run at 5000-5500 all day. I had heard of some gudgeon pin problems with some of the earlier yammy's.<br /><br />Thanks mate 
