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I came up with a nice little fix to keep your Tohatsu on the back of your boat. There is a small aluminum bar screwed to the transom bracket that I replaced with a wider plate with holes that align up to the placement of the 8HP bolts for OMC motors. It requires a 2 1/4″ x 8 1/4″ x 1/8″ metal, a hacksaw and a drill. I used stainless steel, but aluminum would work fine. I can provide a template to get the spacing correct if needed.
Our National Fleet Captain advises that a pair thumbscrews is not really enough to keep the HotSu attached.
Rick Loewen SE Region Fleet Captain
Yes, it does, and that is good. When using an 8HP motor the racing rules require the wedge and transom to be drilled and bolted with the stock holes on the 8HP OMC motors. This allows me to use the same bolts with the Tohatsu. The bolts should then have a wedge washer on the transom so the bolts seat flat on the transom.
If you are referring to the transom mount brackets on the inside of the transom, the screw handles of the transom clamps on the OMC engines have a center measurement of 5 1/4″ centers with a 1 1/4″ dia. pad and the Tohatsu measures 4.5″ centers with a 1 1/2″ dia. pad.
The OMC has two tabs for bolts to mount through the transom at 7 1/8″ centers on the outside of the transom. The Tohatsu does not come with through bolts, nor does it have a tab to connect a safety cable. I removed the small aluminum plate on the tohatsu and replaced it with a larger one with the same interchangable pattern for either motor with 7 1/8″ center holes.
Rick
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