Recent content by soko

Originally Posted by jeff78 Originally Posted by Bonz Other sources actually say boron can be a sign you have antifreeze in your oil because boron is used in antifreeze as an additive! That's the problem with UOA's by themselves - they only show the amounts of the elements and not the...

Originally Posted by BusyLittleShop Originally Posted by Bonz I need help understanding, as an example, how 600 PPM zinc will provide the exact same wear protection as 1800 PPM zinc in let's say the first 100 miles of use since it's probably safe to say it will not have been sacrificed. that...

Originally Posted by BusyLittleShop Originally Posted by alarmguy I would stick with a 50, why go down to a 40? I know the answer... first of all Yamaha's engineers approve grades 15w50 or 10w40 full synthetic to reach our mileage expectations but only a full synthetic 40 grade will lower our...

Originally Posted by Bonz That is just poor zinc and phosphorus. And calcium as a detergent is extremely low considering there's no magnesium. However that's a huge dose of a boron, I think boron is a very good extreme pressure additive, that may well take the place of zinc and even be more...

Originally Posted by sunruh i'm really confused it says makeup oil added 4.3qt is that the original or did you really add in 4.3quarts of oil in these 226miles? if its really zero, its a very good report. if its really 4.3qts the report is worthless and you need to rev it more. blast to...

Originally Posted by KGMtech What made you suspect coolant mixing with oil? I dumped the oil at 44 miles and the oil looked somewhat milky. A friend of mine who is a Car Mechanic took a look and said it's coolant contamination. There is more to it than that but that's the short version. Bike...

First post here. Got a brand new Yamaha R1 w/about 300 miles on it currently. Long story short, I suspected coolant mixing in the oil and decided to make sure after taking it to the dealer. This UOA probably won't be that useful to anyone w/such little miles but I'm wondering if this is a good...