CONTINUOUSWAVE

[Outboard Decals] did a great job [creating some unusual] BEARCAT 90 decals.

They also have in-stock some actual authentic reproduction decals for a BEARCAT 55. See

https://www.outboarddecals.com/bearcat-55.aspx

[The range for full throttle engine speed for the Mercury 25-HP FOURSTROKE engine is] 5000 to 6000-RPM. The gear ratio is 1.92:1.

Source: https://www.mercurymarine.com/en/us/engines/outboard/fourstroke/25-25hp/

biggie - The whole point of posting on a whaler website was to avoid guessing, which is what the dealership I bought the engine from was doing. They didn't know which prop for classic whaler 13s, as the new whaler 13s have a lot more Vee. His suggestion was to ask online, since feedback from someone...

From the table, 9 x 12.5 looks to be correct, but because the bottom of a 13-footer has so many contours and reverse cambers, I think the 9.5 x 9.5 is best--[is that] right?

Thanks for replies. Some thoughts and additional clarification. Q1 extended version: The Mercury 25 FOURSTROKE is made by TOHATSU. I figured the best [way to get advice about a propeller] was to ask people who own that engine. In my experience, calculating prop slip and load tends to work more poorl...

I bought a new Mercury 25-HP FOURSTROKE for my 1969 SUPER SPORT 13. Here are propeller suggestion from a table from Mercury 9"x12.5", 600-1000lbs, up to 16 9.25"x11", 900-1300lbs, 13' to 16 9.5"x9.5", 1100-1700lbs, 13' to 17 9.75"x8", 1500lbs+, 16'+ I don't kn...