A standard pull fan from Italian company Spal and fixed to the radiator. The fan assembly includes a plastic frame where the fan is inserted and then attached to the bike. This frame also helps guide the air into the fan. Four side screws pin the frame and fan in place. The lower bolt screws into the bottom of the radiator. The water pump is also part of the construction and is attached to the fan shroud as well as the fan itself. The lower bolt makes sure the whole unit is securely clamped.