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Author Topic:   Opinions on 1990 Yamaha 200?
KeysNole posted 02-13-2002 01:18 PM ET (US)   Profile for KeysNole   Send Email to KeysNole  
I asked the same question on the iboats forum, and was told to watch out for Yamaha's notorious corrosion problems. Has anyone had any experience with these motors? The owner claims hey are under 200 original hours, and split time between fresh and salt water. Any opinions would be appreciated.
Bigshot posted 02-13-2002 02:33 PM ET (US)     Profile for Bigshot  Send Email to Bigshot     
Check the steering arm that the steering bar connects to. This usually goes first. The major corrosion problems are that and if you have to remove the powerhead...bolts can snap. this can happen on any motor that is 12 years old. If the steering arms are not shot, she is pretty clean then. I am also not talking a little corrosion, I am talking the steering arm is thin in the middle and thick on the ends and metal is flaking off.
lhg posted 02-13-2002 05:56 PM ET (US)     Profile for lhg    
The information you received was probably good, regarding 1990 and earlier Yamahas used in a salt, tropical enviornment. They were all made from an inferior aluminum alloy (some used to say recycled aluminum cans!), and when combined with an inadequate paint job (non-EDP process), corroded badly in the salt. Almost all of those early V-6 Yamahas are out of service from the South Florida area. But, except for corrosion, I have no reason to believe they weren't fine running engines. In Fresh water they seemed to do much better, and most are probably still in service.
captreils posted 02-13-2002 09:23 PM ET (US)     Profile for captreils  Send Email to captreils     
make sure the shift shaft has been replaced,if not it probably will have to be done.The only other problem they have is that they use very small jets in their carbs that like to clog up easily.but if you use a good filter and drain the fuel system when you winterize you will be fine
Bigshot posted 02-14-2002 09:59 AM ET (US)     Profile for Bigshot  Send Email to Bigshot     
There are tons of 1980's Yamahas on the water here.
fireball posted 02-16-2002 04:14 PM ET (US)     Profile for fireball  Send Email to fireball     
I had two 1990 200's-had to replace both tilt motors in 1998. All else was great
Tom Byrum posted 02-19-2002 01:11 AM ET (US)     Profile for Tom Byrum  Send Email to Tom Byrum     
I have twin 89 Yamaha 70s. Both had to be heated with a torch to separate the lower unit for maintenance . Paint is shot on both motors. They both run like tops though. They had sat in saltwater until I bought the boat a couple years ago. The original owner had never purchased a trailer.

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