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  #1  
Old 03-14-2012, 02:12 PM
sidelock sidelock is offline
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Default Yamaha ?

looking for opinions , pros/cons on a 1998 Yamaha C115 v4 two stroke . Motor has undeniably been well taken care of & is in exceptionally good condition for its age . Just looking for any known inherit issues good or bad with this particular make/model.
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  #2  
Old 03-14-2012, 02:47 PM
mrobertson mrobertson is offline
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engines remained unchanged for most of their life. solid, simple, bulletproof technology. I'm restoring an 89 20cc and i just bought a new in crate 2005 Yamaha 115 2 stroke. I was ready to pull the trigger on a Zuke 140, but this 115 came long and im stoked about it.

I think most say the performance on a 20 is adequate although not a speed demon. I don't think anyone will have any negatives to say about that engine.
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  #3  
Old 03-14-2012, 05:25 PM
DonV DonV is offline
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No Sir!! No negatives...... pretty much "bullet proof" as you said! "New in the crate 2005" , you're killing me!!! I know someone who's looking for a new 115/130!!! I'm doing all I can do to find a "new in the crate" 90 hp two stroke Yamaha......they are getting very hard to find 'cause of the new regulations!!!

Thank You Mr. Government!!
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  #4  
Old 03-14-2012, 05:35 PM
Wildman Wildman is offline
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Ditto what the other guys said. DO a compression check and if the numbers check out it sounds good.
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  #5  
Old 03-14-2012, 07:04 PM
sidelock sidelock is offline
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Thanks guys, good to hear such reassuring positive feed back. BTW the motor is on a pampered well cared for turn key original 1975 seacraft 18' that has been kept sheltered all its life and is in amazingly good condition . No soft sposts, no gelcoat cracks, and a solid transom ablate its 20". May or may not deal with the low transom in the future, we'll see.
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  #6  
Old 03-14-2012, 08:10 PM
Caymanboy Caymanboy is offline
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Good motor. There would be some thing's maintenence wise I would look at.
I saw a 90 2 stk down here or craigslist the other day. Thought it was brandy new, it surprised me.
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  #7  
Old 03-14-2012, 09:43 PM
DonV DonV is offline
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Hummm.....the 90 Yamaha on my Hewes is just so damn dependable I figured I could just buy another one "new in the box" store it in the garage for a few years and do the old "plug and play", replace when mine wears out, however the one I have just keeps on going, and going, and going. The big issue/problem is the fuel usage on my carbed engine versus that on a new four stroke....against the weight difference, plus the $$$$ investment on a new four stroke, plus all the other stuff like controls, guages, etc. I thought I would "beat the system" and just go back with the old engine technology on the cheap but the government regulations make it hard to do. The old ones are not easy to find and when you do the seller knows what it's worth and asks an arm and a leg! It's hell to be poor!
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  #8  
Old 03-15-2012, 04:05 AM
Caymanboy Caymanboy is offline
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Yea, I ran one of those 90's on a 15 whaler for years, great engine, but loves her fuel. Take care of it and it may outlast you!
But, you never know, keep haning in there and the new Yamaha's might surprise you, that new little 70 is kick a--, so maybe the 90 is next? :-), in either case, I don't think they plan on messing with the rigging, at least not down in the smaller engines.
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  #9  
Old 03-15-2012, 05:03 PM
gw204 gw204 is offline
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I am pretty sure those C-series motors are pre-mix. That could be a pro or con depending on your views on oil injection.
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  #10  
Old 03-15-2012, 08:25 PM
DonV DonV is offline
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Yeah, I saw an ad for the "new" 70hp, did not look at it real hard. Would be interested in the 90 for my Hewes if it comes along. At $4 plus for gas my old two stroke is killing me, HOWEVER you can buy alot of gas for $8,000, or whatever the price of a new 90hp engine is.
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