Relay boot. Commonly fits many 250cc to 800cc machines. Manufacturer part number 5.3.01.1020. Applies primarily to (but not limited to) Buyang 300cc 4x4 ATV (including sub models FA-H300 and FA-D300), Gio Bear 300cc, Daymak Grunt 300cc, Midwest 300cc, ZMC Titan 300cc, Chironex 300cc Bandito, Asun 300cc Bandito and may apply to other similar variations of 300cc 4x4 ATVs from companies like Linhai, Liangzi, Kangdi and many more. Also commonly used for (but not limited to) 500cc and 550cc EFI engines such as the Chironex Bandito 550cc EFI ATV, GIO Rock Liner 550cc EFI ATV, Buyang 550cc EFI ATV, Feishen 550cc ATV as well as many other clones, rebrands and similar displacement machines. Listed as "RELAY BOOT" in their parts manuals. These machines have been produced for many years and part applies to the 2x4, 4x4 and 4x4 IRS (Independent Rear Suspension) models.
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