HONDAXR80 1986 - 1990,XR80 1993 - 2000,XR100 1986 - 2000, Part No. 06-063.FMF.PC4S FMF - 040084 The Mini Powercore 4 is the best bang for your buck performance bolt on for your mini. Offered as a standard Mini Powercore 4, Closed Course Big Bore System or as a Spark Arrestor Version, the Mini Powercore 4 features a Hi-Flo stainless steel core and formed end caps, an aircraft grade aluminum canister and a durable stainless steel header. Its pounds lighter than stock and you will swear the motor has been bored and stroked with the first twist of the throttle. Hi-Flo Core and End Cap Pounds lighter than stock Notice: Closed Course Use OnlyItem ID: 040084Type: SystemSpark Arrestor: InternalCarb Warning: noHeader Const: Stainless SteelHeader Type: Hi-FloWeight: 3.2 lbs. Majority of our listings are for a direct replacement for your original part. Our parts are made of quality and are designed to meet or exceed the original OEM Standards. Our products are often a cost effective alternative to genuine OEM Parts. Please note: the models of bike we state in our listings are for general guidance only. Please make sure this item will fit your bike before purchasing. Also, we cannot guarantee fitment to any non-UK models.