The ASP .15 Marine Nitro Motor is a high-performance 2-stroke engine designed for boats and watercraft at a 1:10 scale. It is compatible with universal brands and runs on nitro and glow fuel, making it ideal for RC model boats enthusiasts looking for power and precision in their watercraft. With a convenient pull start feature, this motor offers easy operation and reliable performance for thrilling and exciting water adventures. look at pictures and ask questions. thank you for looking .