MOTUL RBF 660 FACTORY LINE DOT 4 100% SYNTHETIC UNIVERSAL CAR MOTORCYCLE VESPA CROSS QUAD DESCRIPTION: 1 PACK OF 500 ML DOT 4 RACING SYNTHETIC BRAKE OIL RBF 660 BRAKE FLUID 100% SYNTHETIC PRODUCT RANGE CAR, MOTORCYCLE MANUFACTURER APPROVALS FMVSS 116 DOT 4; SAE J1703 100% synthetic fluid for hydraulic brakes and clutches released by the Motul research and development laboratory. Dry boiling point: 325°C / 617°F Racing Brake Fluid 660Factory Line100% synthetic DOT 4 fluid For hydraulic brake and clutch controls High boiling point: 325°C/617°F.