Yep saber 1, you care for them properly, and they will last. I have 3 sleds, one 2005, another 2007, and a 2014, none of the engines have ever been touched. The 05, and 07 are 2 strokes, and far past 10K miles each. None are Yamaha. ;)
hermie, and whitedust, the pure weight of a Yamaha 4-stroke, and the distribution of it, was the problem that Yamaha had to address no matter what they developed.
Yeah, well hermie, Yamaha should have, could have, but wouldn't is the bare Facts. They were so far behind in high tech sled development, and their overly heavy 4-strokes were going no where. Yamaha rode their horse until it died under their own weight. Yamaha engines are far heavier than a...
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Perhaps so whitedust, but I wouldn't bet on it. That's not the direction to go for long term success in the snowmo buss. Such a very small market segment.
gary, did you have any kind of guard rails of protection such as Life Lock? This kind of chit scares the heck out of me. And like posted above, with the now bad, and coming to be worse 'AI' look out, eh!