Engine parts of Si 808 L95 AMW Cuyuna, where in can buy?

[Flying Samu]

Hello, I'm Samu, french living in Brasil. I have bought a MAI-890 with an american engine, 808 L95 AMW Cuyuna and i dont know where i can find parts and acessories to the maintenance? somebody can help? many thanks

http://www3.sympatico.ca/speedwing/2si/808L95.html

is this engine