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    Prop Id numbers

    Trying to figure what prop I had I pulled the prop and look on the inside and found thees number<br /> 48-75200-24<br /><br /> can anyone tell me anythgin bout my prop by this number?<br /><br />thanks,<br /> thomas
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    boat plane and hole shot problem

    howdy, <br /> my 17.5' fiberglass bass boat with 155 hp merc on it, doesn't seem to plane out, being a newbie, I'm not sure how to tell when it is actually planed but it seems that at WOT and full trim that alot of the baot is still in the water, I've notice that after the boat is in the water...
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    Need help with speed/rpm problem on 115 hp merc

    Hey guys, took the ole 1976 115 hp merc out, the same one with the speed problem. this is the 17.5" fiberglass bass boat that wheighs around 1000 lbs unloaded. I talked to a guy and he told me that it was okay to run it at 6000 rpms, on this older motor. I'm able to get to 5800 rpms but my...
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    SAME OLE PROP QUESTIONS/ Please help

    I've read through the other post about props, including a very imformative "everthign you ever wanted to know about props...." but I couldn't find what I was looking for. My question is<br /> A larger number in pitch increases speed? torqe? if you wanting speed you look for what? for torqe...
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    update on speed problem with merc 115

    okay took her out, she still boggs down a little when trying to get out of the hole, but once she gets going shes running fine. my 1.5" fiberglass bass boat with a 1976 115 hp merc will get up to about 37 mph, at 5800 or 6000 rpms I knwo the boat shoudl eb going atleat 50 mph, we are not...
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    gelcoat layers???

    I have an 76 bass boat with a offwhite/gray/blue, I did some work on the boat and accedently sanded some of the gelcoat, the orginall color, minus the glossy/wet look. as you can imagin this old boat is very faded and weathered, can sading the first layer of the gelcoat, then apply some wax...
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    it sure is a nice day, would love to go fishin if only.....

    looking outside the weather is great here in North East Texas. Would love to take the boat out but we have been having some probs with it. the old 1976 115 hp merc. has been bogging down when given any throttle, and idleing very low and evetually dies when not given any throttle. Pumping the...
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    Hydrofoil question

    I have a 17.5" bass boat with a 115 hp merc on it, I'm having some trouble get it to top speed and it doesn't seem to want to plane out. I've noticed that the motor has a huge hydrofoil stabalizer on it, other similair rigs do not, could this be my problem, and would it be worth taking off...
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    Idel stop, Spark advance, and throttle stop. on merc

    I have a 1976 115 hp merc, I got to fooling around with the "idel stop", "Throttle Stop" and "sprak advance" screws well now she doesn't purr like she use to, any one have any info on theese adjustments, and maybe so factory defualt setting. any advice is greatly appreciated.<br /><br />...
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    When will it end.. Compound probs with Merc

    Every time I take the boat out I find a new problem, what can I do to have a working reliable boat motor.. <br /><br /> motor info: 115 hp merc. Year. 1976 Serial. #4570020. with thunderbolt. since buying the boat 3 mounths ago I have replaced the impleller, and had the prop rehubbed.<br...
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    Prop pitch and dia. questions

    how do you determine what Pitch and dia, you need, I have a 17.5' boat with a 1976 merc 115 hp . I want to be able to pull a tubber well, so I will want speed, as well as torc. <br /><br /> How do you mesure the pitch and dia. of the prop you already got, the man who re hubbed my prop for me...
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    Speed, tilt/trim/ tubbing

    my motors' (115 hp 1976 merc) tilt and trim move real slow should this be a concern, and it take a while for the motor to get going when trimmed all the way down, I have to play with the trim and find the right spot to take off, with a load it's even more tricky, once I get here going she will...
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    Boat speed UPDATE

    UPDATE okay got the tach work and the speedometer. The tach read about 4500 rpm at 35 mph. Not sure if the speedometer is accurate. ON shore I can get the motor to tach out @ 6000 rpm. But off shore the best I can get is 35 to 37 mph and 5000 rpm everything is trimmed out riht and sounds...
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    boat speed

    My boat is a 1976 17.5' haydrasport fiberglass bass boat, which I belive whiegh in the nieghboor hood of 1000 lbs. , the boat has a 155 hp merc with thunderbolt, the motor is 1976 also I belive and its a inline 6 cly. The boat does not seem to be reaching it potential speed, not sure how...
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    no water comming out of Pee Hole

    Well I replaced the impeller a few months ago which fixed the problem then, However, I had some drive peoblem so I dropped the lower unit when I did the Copper Pipe can completely free from both the Impeller housing and the motor, after strulling for a very long time I was able to get the lower...
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    Phase 1 complete

    OKay guys thanks to all your help I have some what of a clue to what I'm doing. Today I tore the floor out of my 17' fiberglass bass boat, everythign was rotted. I wish I had pictures to show but I'll try to describe the best I can.<br /><br />I finally figured out what the stringes where...
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    shopping list for flooring project

    I'm about to refloor my 17' fiberglass bass boat.. I have already got the plywood, and the carpet, and carpet glue.. what else might i need, <br /><br /> thanks,<br /> Thomas
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    Reflooring questions

    I'm about to refloor my 17' bass boat, have a few questions..<br /> do you have to replace the flotation foam, I've been told it in not neccesary and some what usless.<br /> also do you just lay playwood, then carpet... or is there alot more to it??<br /><br /> Thanks,<br /> Thomas
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    What to do... what to do...

    Hey guys.<br /> well this is really 2 post in one.<br />I haev a 1976 hydrosport 17' bass boat with a 115 hp merc on it, I'm wanting to restore teh boat, and was wondering if you guys had any suggestions, tips, or steps. I know the motor will work my main concern is the body of the boat it...
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    Slipping motor what to do

    My 1976 115 hp merc has been having so drive problems. We ran aground and ran the motor through some really thick mud, the motor seemed to of slipped a couple of time but nothing serious, since then I have changed out the impeller. the first trip in the water with after the runaground/impeller...
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