RS & AY is a precision-focused small engine specialist that keeps commercial and residential equipment running stronger, longer. From diagnostic tuning and performance optimization to durable replacement parts and preventative maintenance plans, we outfit your machines with the reliability and efficiency they need — habillez votre réussite. Our technicians combine industry-grade expertise with fast-turnaround service so customers get maximum uptime and measurable performance gains.

At RS & AY we believe reliability, craftsmanship, and practical innovation are the foundation of our service: reliability so every engine starts when it matters, craftsmanship in the care and detail we bring to each repair, and practical innovation that improves performance without unnecessary cost. We prioritize transparent advice and long-term value for customers — recommending what extends equipment life rather than quick fixes — while treating each machine as if it were our own. This ethic guides our decisions, from parts selection and training to how we communicate with customers, ensuring trust, performance, and measurable results.