Royal Purple04311 HP 2-C High Performance Synthetic 2-Cycle Oil - 1 gal.

Best oil on the market

Recommended by a member of the Mercury racing team long ago and used it ever since. Burns cleaner and all types of 2-stroke equipment lasts huge hours.

i use this in my Rm125 run great.the first one they sent was leaking in my closet and i didn't know.but i let them know and they sent a replacement good customer service👍🏿

This is product for oil/gas mix for two stroke engines. I have been using Stihl HPUltra and Echo's synthetic two stroke oils. Both are quite expensive.Royal purple has a great reputation for synthetic oils. Not cheap but cheaper than what I am using. Too early to tell if it will work well are not. I might add it is not easy even with the internet to find 2 stroke synthetic oil! I guess that is why the lawn equipment vendors can sell Stihl and Echo at such high prices.I would like to add after using this winter in Stihl hedge trimmer, chainsaw and weed wacker I am very pleased with performance however am still trying to get used to the smell. The premium products from Stihl and Echo had almost no smell. I am mixing 50:1

Have used it to premix in a mazda RX8 for years. Legendary Racing Beat recommends it, so it must work well for rotary engines.Of course, the only way to know if a premix works well in a rotary engine is through a full engine tear down. This allows you to see the wear patterns of the apex seals, from which you can determine if the premix is really doing anything worthwhile. But premixing doesn't really hurt anything - as long as you are using the right amounts...so why not use it as secondary insurance?Another note...Royal Purple is one of the few (if not the only one) premix I've found that claims to be completely ashless. To me, that alone justifies the rather expensive price of the oil.