FOND DU LAC, Wis., Aug. 21, 2013 –
Mercury Racing is proud to introduce the latest addition to its high performance sterndrive family; the 520. The naturally aspirated engine provides recreational boaters a cost effective power option that fits nicely, in both value and performance, between MerCruiser’s 8.2L MAG HO and Mercury Racing’s 525 EFI. The low-cost sterndrive features digital throttle and shift and is backed by an unprecedented two-year limited factory warranty.
The 520 shares the same CNC machined cylinder block used on its MAG
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gearcase size, height, speed
Thread Starter: DavidI think this is true:
Last Post By: Chummy Today, 04:14 PMThe small XR4/XR6 gearcase is faster on an Allison than the bigger Sportmaster case. One can't offset the bigger size