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Author Topic:   Repower 17' w/70HP 4 Stroke
jstachowiak posted 10-28-2002 09:13 PM ET (US)   Profile for jstachowiak   Send Email to jstachowiak  
Repower 17í w/70HP 4stroke

I have a 1979 Newport that I purchased in July of this year with a 1979 90HP Mercury. Iíve redone the wiring, gauges, console, and rear deck. Iíve been shopping for a new motor ever since I bought the boat in no hurry to purchase since the Merc was running great. Iíve been watching this board and all the discussion about motors and repowering and have finally bitten the bullet. I looked at everything from Mercury 2 and 4 strokes to Yamahaís to Fichtís. There were even a couple of Evinrude Fichtís a 90 and 115 I bid on on E-bay but the seller wanted over $7,000 for them, so I passed.

I bid on a new 2001 70HP 4 stroke Evinrude (Suzuki) on E-Bay but it did not sell, so I wrote the seller and he said he needed $5,000 plus shipping ($117), so I bought it. He shipped it to my OMC mechanic and I took the boat in for the repower. And here is the breakdown of expenses for the repower. I kept my Morse MT-2 controls with a $3 adaptor needed. My mechanic says the Morse MT-2 and MT-3 are the best controls made and to keep it. A simple toggle switch controls my trim and tilt. All four holes the Merc was mounted to had to be filled and four new holes redrilled for the Evinrude.

Thanks to everyone, especially Bigshot for invaluable advice on this purchase. Iíve only been out once with it and it is great. Iíve got pictures of the mount on the transom if anyone is interested. 1Ē up off transom.

$5,000.00 Evinzuki 2001 new 70HP 4 stroke w/aluminum prop
$ 117.00 Freight
$ 85.00 Set of OMC Faria Gauges E-Bay, OMC Tach, Fuel, Volts, Trim, Speedometer
$ 72.50 OMC Key Switch
$ 79.95 Wiring Harness
$ 32.50 Fuel Filter kit
$ 40.75 One new Morse cable (worn out)
$ 715.00 13 hours labor
$XXXX Various parts and supplies
$6,218.45 Totals
$ 500.00 Less what I got for the 1979 Mercury
$5,718.45 Total

Reasoning behind the 70HP 4 Stroke, quiet, smokeless operation then weight was a close second.

jimh posted 10-28-2002 09:49 PM ET (US)     Profile for jimh  Send Email to jimh     
Thanks for the detailed accounting of the repowering costs. I am glad to hear you saved the Morse controls. Even if they weren't "the best" they sure look great.

As for the pictures of the installation, I am always game for shots of engines and mounting brackets. Send them along!


RWM posted 10-29-2002 01:31 PM ET (US)     Profile for RWM  Send Email to RWM     
I did the same thing with my 1979 Montauk a couple years ago. Got nothing for my '79 Merc 90 but only paid $4500 for the engine. Two years down the road and I love it.
I sold my Morse control for $100 and installed the OMC with tilt and trim plus ignition ($365). If I had to do it again I would keep the Morse.
By the way, I have a size 27 battery in the stern (leftover from the old Merc days) and am considering moving it to the console, and changing to a size 24. The Evinzuki weighs more than the Merc and moving the battery forward would help...Bob M.
jstachowiak posted 10-29-2002 09:50 PM ET (US)     Profile for jstachowiak  Send Email to jstachowiak     
I too have a 27 and 24 battery and a casting platform/livewell in the rear. My 26 gallon fuel tank is under my console so the batteries stay where they are.
jstachowiak posted 11-10-2002 05:37 PM ET (US)     Profile for jstachowiak  Send Email to jstachowiak     
Out today for the fourth trip since the new install and put in at Beach Blvd. Took a crusie up to Mayport to see the Kennedy and cruised back. Have about 9 hours on her so far and boy does she run great. Faster than the old 90HP Merc. And Sooooooo quiet. No smoke, no smell of gas.

Tach shows WOT of 4800 with the 19 pitch prop. Looking for a SST 17 pitch, but in no hurry.

When I was leaving the ramp to go home a Whaler flats boat pulled in. Looked about 16 or 17' long. Definitly had Whaler logo on it.

Can't say enough about this motor.

Bigshot posted 11-11-2002 01:36 PM ET (US)     Profile for Bigshot  Send Email to Bigshot     
4800? I run a 13x19 OMC prop and run 54-5500WOT. With the 14x17 alum or SSt 13.3/8x17 I run about 5800 which is the redline. The 19 alum runs the best so far. How much weight did you have in there? With 4 adults and a full Pate I do about 4800.
Bigshot posted 11-11-2002 01:37 PM ET (US)     Profile for Bigshot  Send Email to Bigshot     
PS Jack that baby up, i bet you're too low as well.
jstachowiak posted 11-26-2002 04:58 PM ET (US)     Profile for jstachowiak  Send Email to jstachowiak     
OK, with my new E-Bay $75.00 OMC SST 13 3/8" X 17 Prop, I ran today on "glass-like" St. Johns River, 5,600 RPM's trimmed out, with myself 165lbs. 20 gallons of fuel under the console and my 2 year old daughter, 26lbs. Woweee, does she scream. And hole shot is much improved. Compared to the aluminum 14X19 its like a different rig. Speedo read 37 MPH. Not GPS.

Thanks for all the help Bigshot on the prop selection. That's is right, $75.00 Stainless OMC prop on E-Bay. Plus $16 shipping.

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