Tips, Rants, Pics, News, Observations, And Other Ramblings From The Florida Keys

Monday, March 7, 2011

Yamaha 70 HP 4 Stroke






Just put 100 hours on my new 70 HP Yamaha.  It only took 2 months..  Been fishing A lot.  Previously my Hells Bay Skiff was powered by a 60 hp 4 stoke Mercury.

I love this new Yamaha!


Mileage was slightly better with the Mercury, but I could not go as fast..  When trying to cram in the most amount of time fishing during the day is nice to get to the next flat quicker..

The difference in acceleration between the two moters is night and day.. 
Capt Tom Morgan:  "It is like getting off the merry go round and getting on the tilt a whirl!"

Lots of people have asked me about the speed and the fuel economy..

I have used two props. 14 pitch Yamaha and a 15 pitch Power Tek.




RPM                            MPH                                 MPG

3000                            16                                         8.9
4000                            25                                         8.9
4500                            28                                         7.8
5000                            32                                         7
5500                            34                                         6.2
6200                            37                                         5.8





RPM                             MPH                                             MPG
3000                                 13.5                                               7.5
4000                                 23                                                  8.8
4500                                 26                                                  8.4
5000                                 29                                                  7.8
5500                                 32                                                  7.1
6200                                 37                                                  6.3

Special thanks to Vince at Garrison Bight Marina, for answering all my questions and taking great care of me in general!!  I will definitely buy my next motor from Vince..

I had John Drake with Island Outboard remove the Mercury and all the rigging..  John and crew also installed the Yamaha outboard, gauges, pinnacle, key switch , etc..  Over the years John has jumped though hoops, worked late and pulled rabbits out of hats to keep me on the water chartering..
(Don't forget to tip your mechanic when he bails you out!!)

Thanks for your normal superb job!

New Cushions from Hells Bay Boat Works!

Not only did I get a new out board for this season, but have also added the new cushions from Hells Bay..  These are a little thicker and will smooth out some of the chop on those longer runs..  Also make it a little more comfy while you are waiting for your turn on the bow..

The customer service at Hells Bay Boat Works is unbelievable...   I emailed them photos of my old cushions and they were on the phone minutes later with info and pricing.  Thanks ladies!




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