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I just installed a 130 HP E-Tec on my 1984 Outrage 18, I had to make a desison on the prop with the purchase, so I got the 14-3/4" x 17" Viper. Any ideas on what to expect or suggestions on a different prop? I have not had it out yet as I still have a bit of work to do. Any comments would be appricated.

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Well, that depends on what 1984 Outrage you installed the Evinrude E-TEC 130 on.

If you installed a new Evinrude E-TEC on a 1984 Outrage 18, then I'd say that is a great prop to use, though maybe slightly under-propped.

Try it out and let us know how it does.

Top speed should be 42 MPH if the motor was mounted three holes up as it should have be.

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Tom, It's 4 cylinder, not the 6, Is that too big for the motor? Oh I see, it's an 18 footer.

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The 25" shaft length (XL) E-TEC 130 uses the large gearcase from the V-6 motors even though it is only a V-4 motor.

It also uses a low 2.25:1 gear ratio. I suspect you will end with the 14-1/4" x 18" Viper instead, but test what you have and see how it does.

Check that motor mounting height.

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Thanks Tom, the motor is mounted up to the the top most holes. No where esle to go. I got a couple of more weeks of work and then I run it. I think I'll not go for top end until I get 5-10 hours on it. I know about run it right out of the box but I'm gonna pay it slow.

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I hope you meant to write "the motor is mounted up to the bottom most holes", like this:

o
o
o
o <-- Bolts through this hole

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Even in the olden days of conventional two strokes, full throttle needed to be applied during the second hour of operation. Not for very long mind you but a minute or so was fine.

With the new E-TECs, which are run in at the factory before being crated, you do not even need to do that. If you want a fast motor, run it hard.

Waiting 5-10 hours is ridiculous. Read your Owners Manual and follow the advice offered.

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Okie Dokie, will run it. You are correct in your example of bolting configuration.

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Took the boat out to test run the new motor and prop. (1984 Outrage, 2013 130 hp E-tec 4 cyl. with the 14 3/4" X 17 Viper) had it up to 38 mph (gps) at 5700 rpm had two people on board and 30 gal. of fuel. I still had some throttle left but not much. Is this about right or should I go to a 19 pitch. Thanks for your help.

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The optimum range for a 130HP is 5500-5750 RPM's Sounds like your pretty dialed in assuming that was WOT. The engine will get a bit faster once your past break-in.

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The WOT range for the E-TEC 130 is 5500-6000 RPM, but the Optimum RPM Range is 5500-5650 RPM.

You are already beyond that with more throttle left? You need more pitch.

As I said earlier, I suspect you will end with the 14-1/4" x 18" Viper. 19" will be too much.

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Thanks Tom, do you know how do I go about trying another prop wiill a shop let me trade or do I just buy another prop and sell this one?

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The dealer you bought it from should swap it out for you.

The 14-3/4" x 18" Viper is BRP part # 763916

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Thanks a bunch Tom.

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Tom,
can you please provide a link to the 2013 RPM ranges? I could only find the listing for 2011 engines

thanks

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Here you go Kamie

http://www.evinrude.com/en-US/engines/ETEC_V4/ETEC_130_V4

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Well, we took the boat out today for test running of the new prop, (1984 Outrage 130 hp, 4cyl, 14 3/4 x18 prop, 60 gal. fuel on board, two people, running into the wind,small chop.) Results-5700 WOT 40MPH. I am thrilled!! A little less fuel on board and I'm sure it will hit the expected 42 MPH. It handled great, just a little adjustment on the trim tab is all. Thank you Tom for your knowledge of props and sharing. So I declare the completion the restoration, the trailer is next. GO Whalers. We got a ton of "WOW what a beautiful boat!" Even from a lady whoe's husband was launching a brand new boat for the first time.