Stop Disc 21x1.25x15x9H for KTM 85 SX - 0690001910001 menu-parts-enduro-mx-engine-parts-cam-chains-cam-shafts always inspect the O-ring for

always inspect the O-ring for cracks or signs of wear

Engineered for durability

Ensure optimal cooling performance with the Vertex Water Pump Repair Kit

this idler gear is built to withstand the intense stresses of off-road and enduro riding

Stop Disc 21x1.25x15x9H for KTM 85 SX - 0690001910001 menu-parts-enduro-mx-engine-parts-cam-chains-cam-shafts always inspect the O-ring forThis stop disc is an OEM part designed to secure components on the main shaft within the transmission assembly. It prevents axial movement of gears and bearings during operation. Compatible with 2026 KTM 85 SX 17 14, 2026 KTM 85 SX 19 16, 2026 HUSQVARNA TC 85 17 14, 2026 HUSQVARNA TC 85 19 16, 2026 GASGAS MC 85 17 14, and 2026 GASGAS MC 85 19 16 models. Manufactured to exact OEM specifications for proper fitment and reliable performance in high stress