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new motor for Grady White 20

Old 10-02-2005, 04:44 PM
  #21  
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Default Re: new motor for Grady White 20

I had a 1995 208 for ten years. I had a 150 HPDI. I was very happy with it. 200 HPDI is the same engine with a different computer that allows it to cram a little more air/fuel into cylinders. I think 200 HPDI is a good match for this hull.

The difference between the 150 and 200 will be felt more in top end than in getting up on plane.


I have two friends with 208s. One went with an F150 and is very happy with it. You can look on Grady's site for speed data. That friend says the boat gets up on plane well. Another friend put on an Evinrude 225 (carbed). Great top end, but stern squats way too much. Can't keep the bow down in a chop.

From my experience with this hull, I would add an F200 only if most of my boating was in calm water (not much steep chop). Even then, why get the F200 when the F225 adds an identicle amount of weight to the transom for nearly the same price?

Rob
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Old 10-03-2005, 11:41 PM
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Default Re: new motor for Grady White 20

Good advise, I'll be running off southern calif. out to the channel islands, it can get rough out there, the added weight could be a problem. I'll think more about the suzuki 175 4 stroke, a yamahaF150 or 200 hpdi to keep the motor under 500lbs.
Tony
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Old 10-04-2005, 08:28 AM
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Default Re: new motor for Grady White 20

tonyhotch asked...
does anybody know what year models to stay away from with the 200 hpdi?
I don't know that there is an 200 HPDI that has ever had systemic problems.
I believe the 200 has been one of the most reliable of the HPDI models throughout its production run.
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Old 10-04-2005, 08:52 AM
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Default RE: new motor for Grady White 20

Another perspective,

I have a F150 on a 2120 Parker Sport Cabin, which is longer, wider and heavier than the Grady 208 and I have more than enough power for what I do, cruising, tubing with kids, fishing (4 guys plus coolers, ice, bait, gear). I even pulled a water skier in Lake George this summer. The skier was a 220 lb male, with 3 adults on the boat and 3 kids with a full tank of fuel. The boat had no trouble getting the skier up out of the wate on two skis. We did try to get my buddy up on 1 ski, but the boat couldn't do that. In order to slamom he had to drop a ski. If I was going to be doing a lot of skiing, I would have went with more hp, but for the mix of what I do, the F150 is fine. If Yamah ever comes out with a F175 based on the F150, i.e. 4 cylinder that weighs less than 500# I would consider upgrading to gain some power, if it didn't cost me too much $.

I saw many Grady 208s sold with the F150 out of Boats Inc in Niantic, where I purchased my parker in the last 2 years. I have spoken with several of these owners as well as other 2120 owners with the F150. All I have spoken with are happy. The F150 is a great motor, good torque, excellent fuel economy, quiet. I would thing the F150 would be a perfect match for a Grady 208 or 209.
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Old 10-04-2005, 11:04 AM
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Default RE: new motor for Grady White 20

I have a 1991 Overnighter with a 150 Ficht. Fish all the time with 4 people plus the extras of fuel and Ice. Never had a problem needing extra power. I did put a Permatrim on, which helps alot. There are several overnighter owners with various engine configs. at www.gradyowner.com. I think the F150 would be a great choice, Suzuki is also coming out with a 150 next year.
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Old 10-04-2005, 07:48 PM
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Default Re: new motor for Grady White 20

Thanks guys, I appreciate the feedback.
Tony
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Old 10-04-2005, 07:57 PM
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Default Re: new motor for Grady White 20

I have a Cabo 216 (brother of the grady as far as hull shape and weight) and I have a Honda 130 powering it. It is a west coast boat, so speed is not an issue, as you know. It can move 3 fisherman, full fuel and 40 gal of bait at 20 kts cruise. It is a heavy motor, though, for the hp, I'd consider a 175 OX66, that has been a great motor for your size motor, and there are deals to be had on those. On a 21 foot boat with typical west coast conditions, I'd say 18-20 kts will be your average cruise with average chop, wind and current.
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Old 10-05-2005, 09:59 PM
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Default Re: new motor for Grady White 20

I'll chime in and say 150 isn't enough horses when push comes to shove. I've got a 175 on mine and will bump that up if and when I decide to repower. Nothing worst than really needing HP to run a inlet one day and you push the lever forward only to find you don't have it.
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Old 01-30-2019, 05:18 PM
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Originally Posted by NIGHTIDES View Post
A 150 or the 175 will be fine. 200hp is a bit much.

I waa thinking of Repower if t a Suzuki 140 there really light idk of it will be over worked tho or have enough power. I have a 80 gal tank and would do beach trips with up to 8 people a full boat and a concerned about it being enough power still want a light fuel efficient motor tho.
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Old 01-30-2019, 05:22 PM
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150 Mercury or 200 Yamaha/Suzuki Four Stroke are the main contenders now a decade later.
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Old 01-30-2019, 05:42 PM
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Originally Posted by captbone View Post
150 Mercury or 200 Yamaha/Suzuki Four Stroke are the main contenders now a decade later.

you our donít think a Suzuki 200 is a little too heavy? Think I should do a Suzuki 175? Will 140 hp be too underpowered?
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Old 01-30-2019, 05:49 PM
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Originally Posted by ckenny23 View Post



you our donít think a Suzuki 200 is a little too heavy? Think I should do a Suzuki 175? Will 140 hp be too underpowered?
Got a df 300 on 93 explorer is a pig loaded to get on plane with overnight tuna load. The higher hp the better with the Grady. Email grady white there customer service is top notch. Check your transom before hand had to redo ours before repowering with 4 stroke and put in new tanks and endless other things..
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Old 01-30-2019, 05:53 PM
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Originally Posted by ckenny23 View Post



you our donít think a Suzuki 200 is a little too heavy? Think I should do a Suzuki 175? Will 140 hp be too underpowered?
This a very old thread.

But a Zuke 150,175 and 200 are pretty much the same motor and weigh almost the same. So I would go with the best deal.

A 140 is much smaller displacement and would be a DOG on a 20 GW.
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Old 01-30-2019, 05:56 PM
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The lightest 150 is the Merc 475 pounds. If going 150 that would be my choice. If going 200 then Zuke.

If repowering do it right the first time.
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Old 01-30-2019, 06:16 PM
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Thanks for the input. I currently have a 1991 Yamaha 150 hp 2 stroke v6 that seems good ( the original engine) I havenít tested it yet with a full boat 8 ppl and 80 gallons of fuel. So I want bigger then a 150 so sounds like Iíll get a newish if not new Suzuki 200. I love how quite and fuel efficient that they are. Thanks for the input guys.
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Old 01-30-2019, 06:22 PM
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Yea If I'm doing a repower I would spend the extra cash on a 200. The Zuke 200 would do very well. The Merc 150 is 3.0 Liter displacement and would do ok also.

Usually the first few months of the year all brands run their longer warranties for free.

Where you're located will determine pricing and what your best deal will be.
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Old 01-30-2019, 06:27 PM
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Sounds good Iíll look for a 200 sure then and Iím located in Massachusetts. On the north shore
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