Sealey ms098 motorcycle brake bleeder weighted sealey ms098 p this motorcycle brake bleeder from sealey is a one man bleeding servicing of hydraulic brakes and clutches the kit utilises a small weighted non return valve and a connector hose that attach to the scooter or motorcycle bleed nipple as the brake clutch are bled the valve prevents the used fluid and air being drawn back into the system p sealey ms098 motorcycle brake bleeder weighted