Liqui moly 1581 four stroke motorbike additive 125ml liqui moly 1581 p align left this four stroke motorbike additive 125ml from liqui moly can be added to fuel for all 4 stroke motorbike engines aspirated and injection breaking down residues in valves and the combustion chamber this procedure keeps the engine clean and enhances performance while reducing petrol consumption and exhaust gases p liqui moly 1581 four stroke motorbike additive 125ml