Fitment:
for Mercury EFI 4-Stroke Models: 30, 40, 50 and 60 EFI HP Engines 

for Mercury Optimax: 75, 90, 115, 125, 200, 225 and 250 HP Engines 

for Mercury Optimax Pro XS: 115 Pro, 175 Pro, 200 Pro, 225 Pro, 250 Pro HP Engines 
for Mercury Optimax Racing: 225 XS. 225 Sport XS, 250XS, 250 Sport XS, 300XS 
for Mercury EFI 2-Stroke Models: 150 (2.5 EFI), 175 (2.5 EFI), 200 (2.5 EFI), 200 (3.0 EFI), 225 (3.0 EFI) and 250 (3.0 EFI) 
for Mercury Racing EFI 2-Stroke: 225X and 300X