All engines are assured in great working order when supplied and are already examined in advance of dispatch from Japan. The startup warranty covers the engine block, not any ancillary components like turbo, alternator, ECU, and so forth. My to start with time purchasing a used JDM Mazda RX-7 FD https://customrx783293.buyoutblog.com/30933554/rumored-buzz-on-13b-turbo-2-engine-for-sale