ktm 303Series: KTM Model: 2KTM303 2KTM304 3 HP 3450 RPM Discharge: 2 DISCHARGE 2 vertical for hose coupling. Cast iron ASTM A-48 classBarnett 303-48-10007 Dirt Dger Clutch Kit Series K Friction Plate. Complete Dirt Dger clutch kits also available; include friction plates, steel drive plates and springs. 2004 KTM 525. 2005