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Author Topic:   4-Stroke Outboards
Lil Whaler Lover posted 06-30-2001 10:26 PM ET (US)   Profile for Lil Whaler Lover   Send Email to Lil Whaler Lover  
First: I removed my 1974 Mercury 402 from my 1965 13 Sport and put a 9.9 4-stroke Evinrude on it. The old Merc had good compression (130 & 135), clean carbs, good reeds etc. It would run anywhere between 25 mph and 28 mph on GPS, depending on which of three props was on it and the mood it was in. The new 9.9 Evinrude does 20 mph on the same GPS. As I am on Oneida Lake, roughly 6 X 24 miles with very little protected water, basically a shallow rough lake that offered limited quality boating time in a Sport 13. This old Whaler has a new lease on life, primarily as a dinghy for our other boat. Taking over 100 pounds off the boat has improved it in every way, allowing me to run it in the shallow water at the dock, simplifies using the boat hoist it lives in, and providing an extremely quiet and smooth ride. Only giving up 5-8 mph which I could rarely use is a great trade for all the outstanding qualities of this rig now. If I had to cite a complaint it would be that it accelerates somewhat slowly.

Second: I also have a Mercury 115 EFI 4-stroke. I will admit right up front it is not on a Whaler, but a 25' Crest Family Fisherman pontoon boat, which is the ideal boat for Oneida Lake. This EFI 4-stroke is simply put the best outboard I have ever run in just over 45 years of using them. It has all the advantages of EFI, and it is almost ridiculous in the small amount of fuel it consumes. I have several friends with the same boat, each with 90 hp Merc 2-strokes. The 115 4-stroke is about 5 mph faster than the 90 2-stroke. In similar use they burn 6-7 gallons per hour, and I am averaging 2.5 to 3 gallons per hour. I am much quieter and totally smoke free. There is no weight penalty on this type of boat, there may be in some applications on a Whaler.
I am sending this to try and create some positive discussion about 4-strokes and also to see if anyone else has downsized power on a Classic 13 and if they are pleased with the results. By the way, there will be many more EFI 4-strokes for the 2002 model year. Mercury will have them in 40-50-60 hp models and it begins to sound like everybody is trying to get a 200-225 hp one out. Dave

Whaletosh posted 07-02-2001 08:11 AM ET (US)     Profile for Whaletosh    
I have a 2001 60 HP Mercury 4-stroke. it is my second 4-stroke and I never want to go back to a two stoke again. I don't have the EFI, but I am used to multiple carbs from my motorcycling days. Getting the carbs synced is the only real hassle, and trained mechanics can do it in less than hour. Done once a year and the motor will run like really well. It is so quiet at idle I barely hear it. It weighs a 17 lbs more thana 60 HP Mercury 2-stroke, hardly a concern.

I sure don't miss the smoke, sputtering, fouled plugs, etc.



Bigshot posted 07-02-2001 11:52 AM ET (US)     Profile for Bigshot  Send Email to Bigshot     
One day when I do buy new, it will be a 4 stroke. A few things though! My 90hp Yamaha weighs 270lbs and burns less than 4gph at cruise of 3700rpm at 28+mph. Can't see the benefit of spending $6800 on a new 115 Suzuki 4 stroke yet.
gvisko posted 07-02-2001 05:48 PM ET (US)     Profile for gvisko  Send Email to gvisko     
wow i just bought suzki 70hp 4stroke efi staniless
steel prop and it cost 7,500.00
if you can get the 115 for $6,800.00 i would
grab it the motor is the perfect match for
my montauk you dont even know it is running.
lhg posted 07-02-2001 06:20 PM ET (US)     Profile for lhg    
Bass Pro Shops Outdoor Adventure Worlds are selling Merc 115 EFI four strokes, for $7100, and there are some local Dealerships selling them for less than that.

I am now more convinced than ever that the future in outboards is four strokes, all sizes, unless there is some major improvement in the DFI 2 stroke technology. Hopefully, they will continue to get lighter in weight. (Why aren't Whalers getting lighter in weight?)

Bigshot posted 07-02-2001 09:30 PM ET (US)     Profile for Bigshot  Send Email to Bigshot     
How many you want? About 3 dealers are advertising them down here for $6795 with the factory rebate. My bud just bought 2 for his 23 Seacraft and got them installed and everything for $14k. The best deal so far is a *new* 1999 115 satltwater Yamaha, no controls, etc, for $4500
Whalerdan posted 07-03-2001 08:00 AM ET (US)     Profile for Whalerdan  Send Email to Whalerdan     
The price on that Yamy is making me saivate.
Whalerdan posted 07-03-2001 08:23 AM ET (US)     Profile for Whalerdan  Send Email to Whalerdan     
opps salivate
reelescape1 posted 07-03-2001 09:30 AM ET (US)     Profile for reelescape1  Send Email to reelescape1     
Bigshot: Would you post a name/number for the yamaha dealer. I could use 2 of those....
Bigshot posted 07-03-2001 09:31 AM ET (US)     Profile for Bigshot  Send Email to Bigshot     
Tell me about it. I already have a yammie so I do not need the harness, controls, tach, etc that costs a fortune. My 90 runs too good to replace it. Guys if you are thinking of getting a 4 stroke, Merc's are actually Yamaha powerheads on merc bodies. They could not meet the dedline for EPA so they used Yamaha. They are slowly making their own now. From 50 down are now Merc I believe, the rest are still Yamaha. Why are they 25% cheaper? Who knows, but get them before Merc screws it up.
Clark Roberts posted 07-04-2001 08:47 AM ET (US)     Profile for Clark Roberts  Send Email to Clark Roberts     
Merc and Yamaha have developed their 4 strokes via a joint engineering venture (they have been in this relationship since Merc help in founding Yamaha back in the early 1970's- first motors were the smaller hp Mariners marketed in Australia in mid 1970's) As to the current 4 strokers the block, crank, and lower units are merc and the heads and cam train are Yamaha. EAch has its own cowling and mid section therefore they look completely different. The paint is the Merc anti-corrosion formula! happy 4 stroking.. Clark.. the old man and the sea!
Clark Roberts posted 07-04-2001 08:49 AM ET (US)     Profile for Clark Roberts  Send Email to Clark Roberts     
PS> I have heard nothing but good comments on the entire line of Merc/Yamaha 4 strokers!
dgp posted 07-04-2001 10:13 AM ET (US)     Profile for dgp  Send Email to dgp     
The '01 four stroke models 40/50/60 Big Foot and 50/60 are all Mercury. The '02 EFI four strokes in 30/40/50/60 are all Mercury also.
Bigshot posted 07-05-2001 11:32 AM ET (US)     Profile for Bigshot  Send Email to Bigshot     
Knew it was something like that. The 90 & 115's are Yamaha powerheads but are $2k cheaper than Yammaha.

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