Mercury Racing 520 info???
02-03-2020, 07:10 PM
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Mercury Racing 520 info???
Looking for some general info on this motor...Google search world is pretty limited
Does the 520 need refreshed at a certain hours? Like the 525
Can the motor be used to build more HP/Upgrades I know CMI makes headers for this application?
Anything good or bad about the motor?
Thanks in advance!!
Does the 520 need refreshed at a certain hours? Like the 525
Can the motor be used to build more HP/Upgrades I know CMI makes headers for this application?
Anything good or bad about the motor?
Thanks in advance!!
02-04-2020, 07:38 AM
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