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ContinuousWave: Whaler Performance
1978 Outrage 21, Verado 150
|Author||Topic: 1978 Outrage 21, Verado 150|
posted 08-27-2015 06:57 AM ET (US)
Hello to all. I'm new to the forum. Two weeks ago I bought a 1978 Boston Whaler OUTRAGE 21. I did some fast work and I immediately put the boat in the water. The engine is a Mercury VERADO FOURSTROKE XL [extra-long shaft] and obviously is mounted too low. I ask advice on which jack plate to mount.
Thank you all
posted 08-27-2015 09:31 AM ET (US)
Matt--I'm not sure about the Verado but it may be possible to convert yours from an XL model by changing the intermediate gear case. I mention this only because it could be much less work and provide a better ultimate solution than mounting the engine with a jack plate.
posted 08-27-2015 10:19 AM ET (US)
Is the hole layout on a Mercury VERADO FOURSTROKE in the standard BIA mounting locations? I seem to think it is not.
If the transom has already been drilled with non-standard mounting holes, you will have to look for a jack plate that can easily be adapted to using those non-standard mounting holes, both on the transom side and the engine side.
|Tom W Clark||
posted 08-27-2015 12:46 PM ET (US)
The Mercury Verados all use the industry standard BIA mounting bolt spacing.
This motor will need to move up five inches to match the height of a 20" shaft length motor mounted all the way down on the transom, but will probably need to move up 6-1/2" to get the motor to the appropriate mounting height.
posted 09-03-2015 02:26 PM ET (US)
As Tom is aware I have 25" shaft twin motors on my standard transom Outrage 25. Regular jackplates left the motors lower than ideal.
I got some hi-rise jackplates from
Mine have 10" of offset and an extra 4.375" of static rise built into them, plus they have 4.5" of travel
I have been pleased with them. I run them all the way up, with my motors on the highest mounting holes. It works well.
These were some new-old-stock that Steve at Hydrodynamics had around. He will make whatever measurement you would like. I found him very accommodating and good to work with.
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