KSI Flat Engine Mount – 28mm x 92mm Precision Fit. Lightweight. Universal Compatibility. The KSI Flat Mount is a CNC-machined alloy engine mount designed for 28mm chassis rails with 92mm spacing. Ideal for Yamaha, Rotax, X30, and other TAG-class engines, it delivers clean alignment and reliable clamping across sprint and dirt formats. Key Features: ✅ Fitment: 28mm chassis rails with 92mm spacing ✅ Compatibility: Suits X30 & Yamaha KT100S/J ✅ Mounting: Pre-drilled bolt pattern – no mods required ✅ Material: Billet alloy – lightweight and durable ✅ Finish: Satin silver – clean, unbranded look ✅ Offset Options: Standard or 15mm offset available ✅ Recommended Clamps: Use with Kart Zone Flush Clamps for optimal centering 💡 Pair with Kart Zone Flush Clamps for optimal centering and vibration control. Always confirm clamp size before installation.