Mercury Racing outboard motor engine belt gears
QC4 Refresh
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Refresh. Reinvigorate. Revitalize.

Mercury Racing technicians work their magic, starting with a bare cylinder block to build the QC4 core long blocks. The crankshaft and all other rotating components are washed and magnafluxed to ensure the metallurgy’s integrity. After the long-block assembly has been refreshed, it goes through Mercury Racing’s electrostatic, high-solid, polyurethane paint process to bring the engine back to like-new condition. Each engine endures a complete dynamometer run prior to being released and sealed as certified Factory Fresh. All parts purchased by the customer, including the long block, come with a Parts and Accessories Warranty that matches the original factory warranty. 

Fresh to the Core

Process begins by contacting your boat builder or Mercury Racing dealer to return your engine(s) for refresh. 

Metallic four cylinder engine workshop

Process Highlights

•Rebuilt by Mercury Racing Technicians 

•Factory original parts 

•Choose either a new or a reconditioned long block 

•Qualified on Dyno – full power run and system check 

•Factory warranty on all purchased parts for non-competition (1100-1550) models 

•ISO Certified Plant

Man red shirt apron workshop black Mercury Racing Outboard Motor
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