Hello,
I have inherited an old OS MAX .40 SF two stroke engine. However, the original owner no longer had any of the paperwork that came with the engine. I looked on your website, but was unable to find a discontinued manual in the PDF section. Is it available and I just missed it? Is there any way I could get my hands on one?
I also have a few specific questions that I need answered, as I'm hoping to fly the engine ASAP. I have been running the engine on both 10% and 15% Nitro (16% lubricant) with a 10x6 prop. What size props would you recommend running on the engine? What fuel composition should I be running?

Thank you,

Jason Roadman