Re: What is this special Mercury Tool for M60-557 for KF3 or KF5’s Home › Forum › Ask A Member › What is this special Mercury Tool for M60-557 for KF3 or KF5’s › Re: What is this special Mercury Tool for M60-557 for KF3 or KF5’s dave-bernardUS Member - 1 Year (includes $3 online payment fee)Replies: 2014Topics: 30 April 4, 2018 at 4:42 pm #73449 Sure is a flywheel nut removal wrench