The bugaboo is that word "correct". I think you can be reasonably sure Yamaha would say that Rotella diesel-engine oil and a Walmart car-engine oil filter does not meet their specs. My take is that if one were investing in an extended warranty, you'd want to keep maintenance (and the parts involved in maintenance) and mods pretty close to the vest.japako said:I would not want to go after a large corp. but, if you use the correct filter and oil, or any other part, you are covered by this act.
(Again, nothing against the oil or the filters which, by all reports, seem to work quite well. But I won't be using either with my S10 until it is out of warranty.)
- Mark