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What have you got to say about the topic of: "Engine Question". Here's how is started: "I have heard that noise in the past and have greased that area and the "
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05-05-2008, 10:05 AM
| #11 | ||
| NBS Member  Join Date: Apr 2007 Location: Warwick, RI
Posts: 246
| I have heard that noise in the past and have greased that area and the noise went away. This is something different......It is a continuous winding noise that is only happening when the boat is in neutral. It is very noticeable and as soon as you put it in gear - forward or reverse the noise is gone. I ran the boat pretty hard over the weekend and it ran great. Every time you put it back in neutral the noise was back though. I appreciate the help here guys! | ||
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05-05-2008, 10:49 AM
| #12 | ||
| NBS Member Join Date: Apr 2007 Location: Granby& Mystic
Posts: 27
| Albatross, have you removed the plastic protective cover over the top of the engine and inspected the valve drive belt and idler/tensioner pulley for wear. My Merc owners manual calls for belt replacement at 4 yrs./ 400 hours. I am due for a replacement this year and my mechanic says to replace the idler at the same time. That pulley has a sealed bearing and could squeel if worn and not under load at neutral. Just a suggestion. To replace this belt the flywheel has to be removed, not my kind of job. | ||
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05-05-2008, 11:17 AM
| #13 | ||
| NBS Member Join Date: Apr 2007 Location: Warwick, RI
Posts: 246
| I did remove the cover and the noise does seem to be coming from the flywheel area. I think I am going to make an appt. and have them check it out. I think you may be right on with this Orion...... I have never replaced any of the belts. It may be time..... -Brian | ||
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05-05-2008, 11:21 AM
| #14 | ||
| NBS Member Join Date: Nov 2006 Location: Pt. Judith/Green Harbor/W.Mass
Posts: 610
| Albatross, Have them give you the old belt as a spare. Never know you may be out and blow a belt.
__________________  "First The Bite Then The Fight" | ||
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05-05-2008, 11:47 AM
| #15 | ||
| NBS Member Join Date: Apr 2007 Location: Granby& Mystic
Posts: 27
| I believe that these engines are of the interference type where if you loose the drive belt for any reason the pistons collide with the valves and the repair costs probably exceed the worth of the engine. Thats why my belt is going to be replaced this year. I could be wrong on this but to get all that power out of this block it probably is necessary. | ||
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05-05-2008, 12:01 PM
| #16 | ||
| NBS Member Join Date: Nov 2006 Location: Pt. Judith/Green Harbor/W.Mass
Posts: 610
| orion, I've heard of that with the first generation Honda's but never on a the Yamaha's. That's an interesting point.
__________________ "First The Bite Then The Fight" | ||
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05-09-2008, 09:51 AM
| #17 | ||
| NBS Member  Join Date: Oct 2006 Location: Branford, CT
Posts: 623
| The F225 is a non-interferance engine. If the belt goes, the engine will just shut off. | ||
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05-09-2008, 12:00 PM
| #18 | |||
| NBS Member  Join Date: Jan 2007
Posts: 185
| Quote:
 GP | |||
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05-09-2008, 11:01 PM
| #19 | |||
  Join Date: Jun 2006 Location: Exeter, Rhode Island
Posts: 3,182
| Quote:
 It's like turning the radio up in your car when you hear a noise 
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05-10-2008, 06:46 AM
| #20 | |||
| NBS Member  Join Date: Jun 2006 Location: Westbrook CT
Posts: 1,256
| Quote:
 
__________________ And the sea will grant each man new hope..............Christopher Columbus  2003 Parker 2530 "DORYMATE".......click the pic 1973 Seacraft 20SF 1970 Glastron V153 70hp Evinrude**FOR SALE** | |||
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