The motor is completely reconditioned, in a French factory which conform to the quality standards AQF ISSO 9002. It uses unleaded petrol 98. Do not use synthetic oils , use multigrades oils 15W40 or 20W50. Order the service kit for your motor and extend the manufacturer's guarantee from 6 to 24 months. The ignition androcker arm should be regulated at the time of the installation. This part is an EXCHANGE. For recycling reasons it is essential that we have your used part. The deposit which is invoiced during the ordering will be completely refunded to you as soon as we receive the used parts. (do not uncheck deposit)