Cobra MCMUTL40 TOOL – CFD – CHECK STOP PIN – VENOM. Cobra Moto Parts offers all dirt bike parts for Cobra CX50 FWE 2016, 2017. We carry all Cobra Clutch Parts including Clutch Shoes, Arbor, MCMUTL40, Clutch Basket, CFD Gear and more. Fast and Guaranteed shipping. Speedy delivery so you can get back to racing.