MERCURY : 650 (3 CYL.) Model Serial Ranges 3293184 THRU 3525440 3547987 THRU 4382056 4382057 THRU 4571651 7013633 THRU 7073472 7073473 THRU 7087822 9020074 THRU 9112988 9112989 THRU 9135824 8006640 THRU 8042349
