Search found 9 matches

by david860
Sun Dec 12, 2021 4:17 pm
Forum: PERFORMANCE
Topic: SPORT 13 25-HP
Replies: 8
Views: 6921

Re: SPORT 13 25-HP

The new lightweight Yamaha 25 is advertised as a portable outboard. It shares the same power head with the 15 and 20-HP engines. This means the new 25-HP has a smaller displacement that the previous 25-HP Yamaha. I was hoping someone in the forum has knowledge or experience with the newer 25. I’m co...
by david860
Sat Dec 11, 2021 2:14 pm
Forum: PERFORMANCE
Topic: SPORT 13 25-HP
Replies: 8
Views: 6921

Re: SPORT 13 25-HP

Butch—[your report of the performance of your boat] is encouraging [me to buy the Yamaha F25].
by david860
Sat Dec 11, 2021 8:25 am
Forum: PERFORMANCE
Topic: SPORT 13 25-HP
Replies: 8
Views: 6921

SPORT 13 25-HP

My SPORT 13 has a Mercury 25-HP two-stroke-power-cycle engine, and performance is good.

If the SPORT 13 is re-powered with a Yamaha F25 lightweight four-stroke-power-cycle engine, how will performance change?
by david860
Wed Aug 15, 2018 5:52 am
Forum: REPAIRS and MODIFICATIONS
Topic: Wood Location Diagram for 13-footer; attaching threaded fasteners
Replies: 6
Views: 3834

Re: Wood Location Diagram for 13-footer.

jimh wrote:Wood location diagrams for the classic 13-foot Boston Whaler boat are linked from the REFERENCE section article on the 13-footer...

jimh--thanks.
by david860
Tue Aug 14, 2018 3:58 pm
Forum: REPAIRS and MODIFICATIONS
Topic: Wood Location Diagram for 13-footer; attaching threaded fasteners
Replies: 6
Views: 3834

Wood Location Diagram for 13-footer; attaching threaded fasteners

I want to install a Bimini Top mounting bracket atop the gunwale on my 1978 13-footer. Where can I do this so that the fasteners will have wood backing? I do not want to screw into hollow fiberglass. Thanks.
by david860
Tue Jul 04, 2017 9:14 pm
Forum: PERFORMANCE
Topic: Classic 13-footer, Mercury 25-HP: Towing Tube
Replies: 4
Views: 4496

Re: classic 13 25hp mercury prop recommendation

OK, thanks.
by david860
Mon Jul 03, 2017 1:44 pm
Forum: PERFORMANCE
Topic: Classic 13-footer, Mercury 25-HP: Towing Tube
Replies: 4
Views: 4496

Re: classic 13 25hp mercury prop recommendation

I have a 12 inch prop that works hard getting out of the hole. I have not run it full throttle while pulling a tube. It seems to work too hard getting started.
by david860
Mon Jul 03, 2017 7:49 am
Forum: PERFORMANCE
Topic: Classic 13-footer, Mercury 25-HP: Towing Tube
Replies: 4
Views: 4496

Classic 13-footer, Mercury 25-HP: Towing Tube

I have a classic 13-footerwith a 1996 Mercury 25-HP two-stroke-power-cycle outboard engine. I would like to tow a one-man tube. What pitch propeller would you recommend? Thanks.