RESURFACING THE BOTTOM SUMP PLATE JOINING PLAN
BEARINGS LINE HAS BEEN REBORE TO.25MM OVERSIZE
DRILL & TAP THE 24 HEAD STUD THREADS ACCORDING TO SET UP CASE SAVERS FOR THE NEW 993 FULL THREADED STUDS, WHICH ARE RECOMMENDED IN THOSE MAGNESIUM CASES
THE CYLINDER SPIGOTS WHERE RE PLANE TOO
(the cylindrical base where the cylinders mate with the engine case)
HEADS RESURFACING BEFORE A FULL REBUILT JOB
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