Athena Crankshaft Seal 38X52X7BTSL for KTM 250 cc 2-stroke

The Athena 38x52x7 BTSL crankshaft seal is a reliable seal for KTM 250cc 2-stroke engine block overhauls. Specifically designed for anyone seeking a durable, consistent crankshaft seal during an engine overhaul.

• Dimensions: 38 x 52 x 7 mm (BTSL) for a precise fit in KTM 250cc 2-stroke applications.
• Construction: metal outer layer with PTFE seal, fitted with one seal lip and one dust lip for long-lasting protection against oil and contaminants.
• MPN: JU-M731203132012, so you can select the exact correct replacement part for your rebuild kit.
• Application/Compatibility: designed for KTM 250-series 2-stroke (SX/EXC/XC) and related models; matching 38x52x7 seals are also used in equivalent Husqvarna/GasGas 2T engines.
• Brand & Quality: Athena is renowned for specialized seals for off-road motorcycles, offering this part as a reliable replacement during engine block overhauls.

During an engine block overhaul, this crankshaft seal provides a reliable seal around the crankshaft, reducing oil loss and keeping contaminants out of the engine. The combination of a metal outer layer with a PTFE seal and dual lip design delivers resilient performance under high temperatures and heavy loads. This part reliably replaces the wear-prone crankshaft seal, helping to maintain consistent engine compression and extend maintenance intervals.