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outboard motor question
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just to clarify...do you mean 2 or 4 stroke, and not cylinder?
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If it's a four CYLINDER it will be smoother and have more tourque.
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I agree with master pleas clarify 2 or 4 stroke. Personally i've never seen a 4cyl 40h.p. outboard.
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If the question is 2 or 4 stroke, there are all kinds of opinions out there. The 2 strokers complain about the weight of a 4, the 4 strokers say they are more efficient.... etc....
Different applicaitions need different things, here's what you should see: 2 strokes will use more gas, but are lighter, they also have a powerband that doesn't provide as much mid-range power, but is better at the high range, are supposed to pollute more 4 strokes are the opposite of the above To me, it would be hard to justify the cost of a 4 stroke unless you use it all the time. |
2 stroke motors are slowly being baned from the lakes because of polution issues, oil in the gas that leaves a sheen in the water.
2 stroke motors use oil mixed in the gas for lubrication, 4 strokes used oil in the pan and not inside the cylinders. 2 strokes are more efficient and a lot lighter and also cheaper. |
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The 4cyl on that outboard will run smoother than than the 2cyl version, thats about the only signifigant gain i can see you getting.
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The thing you have to remember about old outboards is that alot of the parts you need to keep them running can't be found nowdays.... my uncle is a master of old school outboards, he's retired and his hobby is to buy old boats for next to nothing and fix them up and sell them..... old outboards are not easy to work on unless you know what you're doing, my uncle has bought lots of 'dead' outboards and fixed them up...... but it depends on the parts that can be found. funny thing is that lots of times people that think they know what they're doing get the idea that they can fix outboards and end up screwing them up ..... I know because I have seen him take a piece of shit outboard that has been sitting for years and turn it into a sweet running engine:D
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i would guess that the 4 cyl may offer some smoother operation. but i would pay close atttention to Ashton and try to find out as much about the various specs of the motors(weight,fuel eff.,reliabillity) and forget about how many cyl it has. aside from the facat that more cyl = more moving parts
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i think thats a good point. also, in case you dont know where to buy, try this shop www-mcmarine-net. really good parts and very fast. if you cant find what you need contact them, they are really friendly people. www-mcmarine-net
cheers, bob |
I was hoping for more motorboating in this thread :(
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The older 4 cylinder Mercury / Mariner has one weakens. That is If the impeller / water pump isn't in tip top shape the upper cylinder might fail. I remember seeing a small hole in the upper cylinder on one of these. So make sure it's working on all cylinders be fore you buy it.
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