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  A sad day for the Yamagucci.

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Author Topic:   A sad day for the Yamagucci.
Bigshot posted 12-03-2001 01:53 PM ET (US)   Profile for Bigshot   Send Email to Bigshot  
She's toast! Crack in block that pertains to the exaust passages and therefore makes a lot of noise and basically runs like hell. Unfortunately in an area that can't be welded. The issue now is new powerhead, new 90hp or new 100hp 4 stroke. Please bow your head in a moment of silence for a soldier killed in the line of duty. Unlike us humans, this soldier can be revived with a head transplant:)
gunnelgrabber posted 12-03-2001 02:03 PM ET (US)     Profile for gunnelgrabber  Send Email to gunnelgrabber     
truly sorry about that, bs. that's bum luck indeed...hope the head transplant is successful...lm
JohnAz posted 12-03-2001 02:10 PM ET (US)     Profile for JohnAz  Send Email to JohnAz     
big shot hav you tried that aluminum solder-rods from "Boeing",,melts with a propane tourch,,and has 2X,the density of aluminum,,great for small nicks in props, and i have fixed an aluminum exhaust manifold with it,,i will give you the info if you want as to where you can get it
John from Madison CT posted 12-03-2001 02:16 PM ET (US)     Profile for John from Madison CT  Send Email to John from Madison CT     

What year and what HP was the Yammie? Now many hours do you think you got out of her?


dgp posted 12-03-2001 02:18 PM ET (US)     Profile for dgp  Send Email to dgp     
Why not get a reman powerhead? Save some bucks.
Kelly posted 12-03-2001 03:10 PM ET (US)     Profile for Kelly  Send Email to Kelly     
Spin! Spin! Spin!
Your propeller it could spin.
Tho' I've revved you and raced you,
By the factory that made you,
There's not a motor better than my Yamagucci's been.
Bigshot posted 12-03-2001 03:43 PM ET (US)     Profile for Bigshot  Send Email to Bigshot     
Good and still bad news update.....Motor is a 1990. Lady owned until I bought it last June. I put about 60 hours on her, I would say under 500 total hours though it is hard to know for sure. Might have 200 or 2000. I have 130 compression on top, 115 middle and 130 bottom so I have more than 1 issue. My mechanic buddy has a 2001 C90 powerhead with 10 hours on it I can get for $1000 installed but I hate like hell to lose my oil injection. My other bud mechanic who lives far away says it might be something else but I am waiting for him to get back to me. He says even if an exhaust crack in powerhead the exhaust would still have to exit the normal routes if base gasket is good(just replaced it on Sunday). It is in great shape with a 98 inshore hood so it looks like a 98(which I thought it was until I ran the serial #'s). I will keep you all posted on whether soldier will pull through or need a head transplant.
KeysNole posted 12-03-2001 08:15 PM ET (US)     Profile for KeysNole  Send Email to KeysNole     
Bigshot, I too am replacing major parts on my motor. My Pro 50 stopped injecting oil. Needs a new crankshaft assemply, piston rings, piston, etc etc. Looks like I can get parts at a discount of about 20%, so if I can help, let me know.
John from Madison CT posted 12-03-2001 09:27 PM ET (US)     Profile for John from Madison CT  Send Email to John from Madison CT     

If you can get a Commercial 90HP 2001 powerhead for $1000, I would jump on it in a NY minute. That's a great price. I personally would have absolutely no problem not having oil injection on my motor. In fact, it's one less thing to worry about breaking.
Hey, if you pass on that powerhead, maybe I'll buy it if I can get it for the same price.

Let me know.


Bigshot posted 12-03-2001 10:03 PM ET (US)     Profile for Bigshot  Send Email to Bigshot     
That's why he's my bud John. Were looking into the compatibility factor. Should be Ok but carbs and all electronics are different(improved & updated). The only difference so far is my main jets are 165's and the C90 uses 160's so I am a bit richer but that should'nt be an issue. Just hope that the flywheel etc mounts up and that they did'nt change crank size or driveshaft splines, etc. Will keep ya'll posted, Yamaha usually does not fix something that aint broke if ya know what I mean.
Chap posted 12-04-2001 09:45 AM ET (US)     Profile for Chap  Send Email to Chap     
"98 hood." YOU...didn't get taken for a ride did you? Not the "art of the deal" guy? :)

Sorry to hear about the motor, good luck.

JFM posted 12-04-2001 10:00 AM ET (US)     Profile for JFM  Send Email to JFM     
Nick, from all your past posts, I would think you would not even consider a new motor. With all your savvy though you may be able to steal one. If you could buy a new motor for under $4000.00 you still would be fine. You would also know what you had. I would not rule out a new motor. My $.02..Jay
Bigshot posted 12-04-2001 03:46 PM ET (US)     Profile for Bigshot  Send Email to Bigshot     
I bought the boat without a test ride or even running the engine because I got it so cheap. I did a comp test on it and the top was 130, middle, 120, and bottom 130. I figured at what I paid if she was shongo oh well, i'll buy my buddies powerhead. Well it ran great after a carb rebuild and a water pump. After I did the water pump it was a little louder than usual with some smoke coming out by the driveshaft up top. I figured base gasket and I would do it in the winter. Well it got worse and after about 50-60 hours I figured it is time so I pulled the powerhead.

Now I have talked to my bud up North(authorized Yamaha Dealer) and he says the head is good that something else is the issue in the midsection causing the exaust to rise up and out by the driveshaft. The other noise I am getting may be reeds. The low compression is nothing to worry about unless it gets down around 100 and then she is toast but try ringfree first(I'll elaborate more on that). I went home at lunch and found out I missed tightening the 2 front bolts(oops). and that cut down the noise level but I still have the smoke and water coming up the driveshaft. I think I lost a part of the exhaust tube. Reason being when I had the foot done I trailered the boat without it a few miles. It might have fallen out and now the exhaust goes where it wants. I am getting to the bottom of this and it looks like my soldier might pull through with just some orthoscopic surgery and a few parts:) Or he might die on the operating table from unseen circumstances:(

Now the ring free trick....He said he learned this at Yamaha school a few years ago. To totally decarbonize an engine and clean the crap out of the carb do as follows. Take a 1 gallon container and fill it 1/2 way with gas, pour in a 16oz bottle of Techron and insert your gasline pickup. Run the engine until gas is all gone and let it sit overnight. Next day start it on ether and she will be rid of anything in the cylinders that resembles carbon. The ether flash burns the stuff off. If your carb is still screwed up, try running the gasline directly in the 16oz techron bottle. You need to run the choke to keep it running but that literally mainlines it. Old dog learns a new trick.

Bigshot posted 12-04-2001 03:51 PM ET (US)     Profile for Bigshot  Send Email to Bigshot     
PS Jay I have a line on a 2001 Merc 90hp 4 stroke for $4950 + $250 to ship to FL(engines are not always the cheapest here, one must shop). I then need controls and cables(prop should work) but I am trying the cheapest route. I thought about a rebuilt engine but I would love a 4 stroke and do not plan on selling this rig anytime soon. Basically it is get the boy going again as long as she is reliable or the $1000 powerhead if block is shot or new 4 stroke. For once I would like something with a warranty, getting too old for this shit.
JFM posted 12-04-2001 04:45 PM ET (US)     Profile for JFM  Send Email to JFM     
Nick, I love my new Yammy 2 stroke. What could you get one of those for? Also would you need to replace your controls? By the way, I got to old for that sh*t. But you never will change no matter how old you are. Right Clark? Regards, Jay
John from Madison CT posted 12-04-2001 07:03 PM ET (US)     Profile for John from Madison CT  Send Email to John from Madison CT     

Your buddies decarboning procedure sounds somewhat similar to that of the Yamaha Ring Free procedure. But they say to use a 16oz bottle to 12 gallons of Gas.


Clark Roberts posted 12-05-2001 12:11 PM ET (US)     Profile for Clark Roberts  Send Email to Clark Roberts     
Jay, I can't remember! The Old Man and the Sea
JFM posted 12-05-2001 02:05 PM ET (US)     Profile for JFM  Send Email to JFM     
Clark, is your real name "Santiago"?
Regards, Jay
Clark Roberts posted 12-05-2001 09:50 PM ET (US)     Profile for Clark Roberts  Send Email to Clark Roberts     
Nope! Real name is Clark Roberts.... I think!
Bigshot posted 12-05-2001 10:04 PM ET (US)     Profile for Bigshot  Send Email to Bigshot     
LOL Clark!

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