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#1
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2006 Sea Ray 200 Select
I recently boat the referenced boat from a private party. The boat
was in mint condition with only 44 hours on it. Test drove it and seemed to work fine. Now that I've driven it more i'm a little concerned about some engine noise / minor vibrations. It seems when I'm on plain, the engine noise / vibration is normal if the trim is up (even by one notch). But if I trim the motor all the way down (while on plain), the engine noise increases and so does the vibration. The vibration feels like it is coming from the engine area or towards the back of the boat. I'm not sure if I'm overreacting or if this is normal. I mentioned this concern to my wife and she didn't even notice. If anyone has any thoughts I would appreciate it. thanks. |
#2
posted to rec.boats
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2006 Sea Ray 200 Select
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#3
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2006 Sea Ray 200 Select
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#4
posted to rec.boats
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2006 Sea Ray 200 Select
On Jun 30, 9:41*pm, wrote:
I recently boat the referenced boat from a private party. *The boat was in mint condition with only 44 hours on it. *Test drove it and seemed to work fine. *Now that I've driven it more i'm a little concerned about some engine noise / minor vibrations. *It seems when I'm on plain, the engine noise / vibration is normal if the trim is up (even by one notch). *But if I trim the motor all the way down (while on plain), the engine noise increases and so does the vibration. *The vibration feels like it is coming from the engine area or towards the back of the boat. *I'm not sure if I'm overreacting or if this is normal. *I mentioned this concern to my wife and she didn't even notice. *If anyone has any thoughts I would appreciate it. * thanks. There's also the possibility that the previous owners may have hit something with the prop and could have bent a prop shaft or something like that. Not saying they did, but I had that experience with my boat I demolished an aluminum prop and after replacing it there was a bit of vibration in the lower end under the same conditions you described. I had a salvage alpha 1 mercruiser drive I later installed and that took care of it. I would however advise you to consult a reputable and skilled mechanic / dealer about the situation. It maybe nothing but if it worries you, I'd have someone look at it. |
#5
posted to rec.boats
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2006 Sea Ray 200 Select
wrote in message ... I recently boat the referenced boat from a private party. The boat was in mint condition with only 44 hours on it. Test drove it and seemed to work fine. Now that I've driven it more i'm a little concerned about some engine noise / minor vibrations. It seems when I'm on plain, the engine noise / vibration is normal if the trim is up (even by one notch). But if I trim the motor all the way down (while on plain), the engine noise increases and so does the vibration. The vibration feels like it is coming from the engine area or towards the back of the boat. I'm not sure if I'm overreacting or if this is normal. I mentioned this concern to my wife and she didn't even notice. If anyone has any thoughts I would appreciate it. thanks. Congratulations on your boat purchase. I'm sure it will bring you and your family many hours of enjoyment. There is nothing wrong with your boat, the situation you describe is completely normal for a single engine stern drive boat. In fact, what is happening is that your boat is talking to you, and telling you how it prefers to be trimmed for optimal cruising attitude. And what it is telling you is that just like most single engine stern drive applications, it prefers a bit of positive trim while on plane. Here's how to determine the optimal outdrive trim for your boat. Trim the drive to the full in (down) position and bring the boat to your normal cruising speed. Once at speed, gradually trim the outdrive out (up) and notice the behavioral changes. You will notice that noise and vibration will diminish, as you have already made comment. You will also notice a slight increase in engine RPM and speed over ground without increasing the throttle, due to the increased efficiency of the boat being in proper trim. Keep advancing the trim until the boat tells you you've gone too far. Evidence of this will be increased engine RPM without an increase in speed over ground. This is the result of the prop losing its grip on the water due to cavitation. This is a very undesirable condition, and the cure is to simply trim the drive back in until it stops. So, where the boat wants the drive to be is where noise and vibration are minimized and speed and rpm are maximized, while avoiding propeller cavitation. Note where this position is on the trim gauge, and just leave the trim there for normal cruising. Depending on how the boat is loaded, you may or may not choose to trim the drive in while at rest to allow the boat to come up on plane faster. If so, just advance the trim to its optimal cruise position once on plane. Also, you may or may not notice the propeller cavitating on very sharp turns with the drive trimmed to cruising position. If this happens, trim the drive in slightly before making such a turn. RG |
#6
posted to rec.boats
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2006 Sea Ray 200 Select
On 7/3/2011 10:43 AM, RG wrote:
wrote in message ... I recently boat the referenced boat from a private party. The boat was in mint condition with only 44 hours on it. Test drove it and seemed to work fine. Now that I've driven it more i'm a little concerned about some engine noise / minor vibrations. It seems when I'm on plain, the engine noise / vibration is normal if the trim is up (even by one notch). But if I trim the motor all the way down (while on plain), the engine noise increases and so does the vibration. The vibration feels like it is coming from the engine area or towards the back of the boat. I'm not sure if I'm overreacting or if this is normal. I mentioned this concern to my wife and she didn't even notice. If anyone has any thoughts I would appreciate it. thanks. Congratulations on your boat purchase. I'm sure it will bring you and your family many hours of enjoyment. There is nothing wrong with your boat, the situation you describe is completely normal for a single engine stern drive boat. In fact, what is happening is that your boat is talking to you, and telling you how it prefers to be trimmed for optimal cruising attitude. And what it is telling you is that just like most single engine stern drive applications, it prefers a bit of positive trim while on plane. Here's how to determine the optimal outdrive trim for your boat. Trim the drive to the full in (down) position and bring the boat to your normal cruising speed. Once at speed, gradually trim the outdrive out (up) and notice the behavioral changes. You will notice that noise and vibration will diminish, as you have already made comment. You will also notice a slight increase in engine RPM and speed over ground without increasing the throttle, due to the increased efficiency of the boat being in proper trim. Keep advancing the trim until the boat tells you you've gone too far. Evidence of this will be increased engine RPM without an increase in speed over ground. This is the result of the prop losing its grip on the water due to cavitation. This is a very undesirable condition, and the cure is to simply trim the drive back in until it stops. So, where the boat wants the drive to be is where noise and vibration are minimized and speed and rpm are maximized, while avoiding propeller cavitation. Note where this position is on the trim gauge, and just leave the trim there for normal cruising. Depending on how the boat is loaded, you may or may not choose to trim the drive in while at rest to allow the boat to come up on plane faster. If so, just advance the trim to its optimal cruise position once on plane. Also, you may or may not notice the propeller cavitating on very sharp turns with the drive trimmed to cruising position. If this happens, trim the drive in slightly before making such a turn. RG Great advice except for the trim gauge. If they work at all they are highly inaccurate. Their best use is to indicate weather the drive us up or down. |
#7
posted to rec.boats
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2006 Sea Ray 200 Select
On Jul 3, 12:45*pm, Jay wrote:
On 7/3/2011 10:43 AM, RG wrote: *wrote in message .... I recently boat the referenced boat from a private party. *The boat was in mint condition with only 44 hours on it. *Test drove it and seemed to work fine. *Now that I've driven it more i'm a little concerned about some engine noise / minor vibrations. *It seems when I'm on plain, the engine noise / vibration is normal if the trim is up (even by one notch). *But if I trim the motor all the way down (while on plain), the engine noise increases and so does the vibration. *The vibration feels like it is coming from the engine area or towards the back of the boat. *I'm not sure if I'm overreacting or if this is normal. *I mentioned this concern to my wife and she didn't even notice. *If anyone has any thoughts I would appreciate it. * thanks. Congratulations on your boat purchase. *I'm sure it will bring you and your family many hours of enjoyment. *There is nothing wrong with your boat, the situation you describe is completely normal for a single engine stern drive boat. *In fact, what is happening is that your boat is talking to you, and telling you how it prefers to be trimmed for optimal cruising attitude. *And what it is telling you is that just like most single engine stern drive applications, it prefers a bit of positive trim while on plane. Here's how to determine the optimal outdrive trim for your boat. *Trim the drive to the full in (down) position and bring the boat to your normal cruising speed. *Once at speed, gradually trim the outdrive out (up) and notice the behavioral changes. *You will notice that noise and vibration will diminish, as you have already made comment. *You will also notice a slight increase in engine RPM and speed over ground without increasing the throttle, due to the increased efficiency of the boat being in proper trim. Keep advancing the trim until the boat tells you you've gone too far. Evidence of this will be increased engine RPM without an increase in speed over ground. *This is the result of the prop losing its grip on the water due to cavitation. *This is a very undesirable condition, and the cure is to simply trim the drive back in until it stops. *So, where the boat wants the drive to be is where noise and vibration are minimized and speed and rpm are maximized, while avoiding propeller cavitation. *Note where this position is on the trim gauge, and just leave the trim there for normal cruising. Depending on how the boat is loaded, you may or may not choose to trim the drive in while at rest to allow the boat to come up on plane faster. *If so, just advance the trim to its optimal cruise position once on plane. *Also, you may or may not notice the propeller cavitating on very sharp turns with the drive trimmed to cruising position. *If this happens, trim the drive in slightly before making such a turn. RG Great advice except for the trim gauge. If they work at all they are highly inaccurate. Their best use is to indicate weather the drive us up or down.- Hide quoted text - - Show quoted text - They're fairly easy to fix and even easier to adjust. If you use a level while adjusting it you can get it pretty accurate. Helps if you have a buddy in the cockpit. |
#8
posted to rec.boats
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2006 Sea Ray 200 Select
On 7/5/2011 8:01 AM, jamesgangnc wrote:
On Jul 3, 12:45 pm, wrote: On 7/3/2011 10:43 AM, RG wrote: wrote in message ... I recently boat the referenced boat from a private party. The boat was in mint condition with only 44 hours on it. Test drove it and seemed to work fine. Now that I've driven it more i'm a little concerned about some engine noise / minor vibrations. It seems when I'm on plain, the engine noise / vibration is normal if the trim is up (even by one notch). But if I trim the motor all the way down (while on plain), the engine noise increases and so does the vibration. The vibration feels like it is coming from the engine area or towards the back of the boat. I'm not sure if I'm overreacting or if this is normal. I mentioned this concern to my wife and she didn't even notice. If anyone has any thoughts I would appreciate it. thanks. Congratulations on your boat purchase. I'm sure it will bring you and your family many hours of enjoyment. There is nothing wrong with your boat, the situation you describe is completely normal for a single engine stern drive boat. In fact, what is happening is that your boat is talking to you, and telling you how it prefers to be trimmed for optimal cruising attitude. And what it is telling you is that just like most single engine stern drive applications, it prefers a bit of positive trim while on plane. Here's how to determine the optimal outdrive trim for your boat. Trim the drive to the full in (down) position and bring the boat to your normal cruising speed. Once at speed, gradually trim the outdrive out (up) and notice the behavioral changes. You will notice that noise and vibration will diminish, as you have already made comment. You will also notice a slight increase in engine RPM and speed over ground without increasing the throttle, due to the increased efficiency of the boat being in proper trim. Keep advancing the trim until the boat tells you you've gone too far. Evidence of this will be increased engine RPM without an increase in speed over ground. This is the result of the prop losing its grip on the water due to cavitation. This is a very undesirable condition, and the cure is to simply trim the drive back in until it stops. So, where the boat wants the drive to be is where noise and vibration are minimized and speed and rpm are maximized, while avoiding propeller cavitation. Note where this position is on the trim gauge, and just leave the trim there for normal cruising. Depending on how the boat is loaded, you may or may not choose to trim the drive in while at rest to allow the boat to come up on plane faster. If so, just advance the trim to its optimal cruise position once on plane. Also, you may or may not notice the propeller cavitating on very sharp turns with the drive trimmed to cruising position. If this happens, trim the drive in slightly before making such a turn. RG Great advice except for the trim gauge. If they work at all they are highly inaccurate. Their best use is to indicate weather the drive us up or down.- Hide quoted text - - Show quoted text - They're fairly easy to fix and even easier to adjust. If you use a level while adjusting it you can get it pretty accurate. Helps if you have a buddy in the cockpit. Cut wires=void warranty. Replacing those pucks without cutting wires is a pain in the butt. There's a third way but that's pretty tacky. |
#9
posted to rec.boats
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2006 Sea Ray 200 Select
On Jul 5, 11:09*am, Jay wrote:
On 7/5/2011 8:01 AM, jamesgangnc wrote: On Jul 3, 12:45 pm, *wrote: On 7/3/2011 10:43 AM, RG wrote: * *wrote in message .... I recently boat the referenced boat from a private party. *The boat was in mint condition with only 44 hours on it. *Test drove it and seemed to work fine. *Now that I've driven it more i'm a little concerned about some engine noise / minor vibrations. *It seems when I'm on plain, the engine noise / vibration is normal if the trim is up (even by one notch). *But if I trim the motor all the way down (while on plain), the engine noise increases and so does the vibration. *The vibration feels like it is coming from the engine area or towards the back of the boat. *I'm not sure if I'm overreacting or if this is normal. *I mentioned this concern to my wife and she didn't even notice. *If anyone has any thoughts I would appreciate it. * thanks. Congratulations on your boat purchase. *I'm sure it will bring you and your family many hours of enjoyment. *There is nothing wrong with your boat, the situation you describe is completely normal for a single engine stern drive boat. *In fact, what is happening is that your boat is talking to you, and telling you how it prefers to be trimmed for optimal cruising attitude. *And what it is telling you is that just like most single engine stern drive applications, it prefers a bit of positive trim while on plane. Here's how to determine the optimal outdrive trim for your boat. *Trim the drive to the full in (down) position and bring the boat to your normal cruising speed. *Once at speed, gradually trim the outdrive out (up) and notice the behavioral changes. *You will notice that noise and vibration will diminish, as you have already made comment. *You will also notice a slight increase in engine RPM and speed over ground without increasing the throttle, due to the increased efficiency of the boat being in proper trim. Keep advancing the trim until the boat tells you you've gone too far. Evidence of this will be increased engine RPM without an increase in speed over ground. *This is the result of the prop losing its grip on the water due to cavitation. *This is a very undesirable condition, and the cure is to simply trim the drive back in until it stops. *So, where the boat wants the drive to be is where noise and vibration are minimized and speed and rpm are maximized, while avoiding propeller cavitation. *Note where this position is on the trim gauge, and just leave the trim there for normal cruising. Depending on how the boat is loaded, you may or may not choose to trim the drive in while at rest to allow the boat to come up on plane faster. *If so, just advance the trim to its optimal cruise position once on plane. *Also, you may or may not notice the propeller cavitating on very sharp turns with the drive trimmed to cruising position. *If this happens, trim the drive in slightly before making such a turn. RG Great advice except for the trim gauge. If they work at all they are highly inaccurate. Their best use is to indicate weather the drive us up or down.- Hide quoted text - - Show quoted text - They're fairly easy to fix and even easier to adjust. *If you use a level while adjusting it you can get it pretty accurate. *Helps if you have a buddy in the cockpit. Cut wires=void warranty. Replacing those pucks without cutting wires is a pain in the butt. There's a third way but that's pretty tacky.- Hide quoted text - - Show quoted text - What warranty? I solder the wires, paint them with liquid wire sealer, then cover that with heat shrink. But I have a trailer boat in fresh water so my situation is the best. Frankly I don't think boats that live full time in salt water should have outdrives anyway. |
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