You, can still get the merc coils 398-173 & 18-5178 but not cheap, although at a race someone used OMC coils, new and very cheap with slight modification to the mag plate with the plug wires coming into the back side of the coils. Maybee someone will see this post and confirm this along with the...

tom Cronk built 125 hydro. due to illness and getting old I had to finally give up racing after 67 fun years. this boat is fast and stable. a great turning hydro. hydro is in very good condition and finish is in great shape. should also make a good 500 mod hydro. thanks for looking. John maddrell...

The merc 250 25hp motor still uses phalon coils and I want to stay away from those. The coils are old and expensive unless you get them rewound. At least with a new rewind you are getting reliable parts. With the newer 22ci powerheads you get into the cdi ignition, the motors are a dime a dozen. The...

If you proceed with the project, I would get an old Merc 250 25 HP powerhead. They are hard to find but really perform well. Ran one for years on a regular quicksilver tower with great results running the little feature in EORC club races on Long Island. Also had a 25SS on a conversion tower which was...