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I will be mounting a 2 stroke Yamaha 40hp outboard to my new to me (not picked up yet) 1987 13' whaler. i'd like to get the mounting bolts on order ASAP so that I can mount the engine when the boat arrives.

Two questions:

1) can anyone tell me the length of the bolts I require? Motor has tilt/trim if that makes a difference.

2) Are the Yamaha OEM bolts made from some sort of zinc dacromet or are they stainless?

Thanks

(EDIT: Please follow guideline #1 at the top of this page and use the FULL 4 digit year of 1987)