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#1
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The manual states to not run my Honda four stroke 90 HP (2001 model) for
more than 5 minutes at full RPM. The throttle actually backs off automatically after about 1 minute of full RPM action. Anyone know if running at full RPM can really affect the engine? When I have 14 people on my 25 foot Bennington pontoon boat, running on anything but full RPM is slow (below 13 MPH according to my GPS) (especially when I go against the current on the river that I am on). The reason I bring this up is that when I use my Honda lawn mower to mow the lawn, that thing runs at full RPM from start to finish, which is sometimes hours - the mower has been working like new for the last 3 years. |
#2
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Ok the honda lawnmower has a governer that stops it at around
3600rpm. That is NOT full speed for the lawnmower but a comfortable zone. If you have that many people on board using a 90HP motor your nutz. You want to cruise at a decent speed with a severely underpowered motor. Either buy another motor or just buy a twin. Dan J.S. wrote: The manual states to not run my Honda four stroke 90 HP (2001 model) for more than 5 minutes at full RPM. The throttle actually backs off automatically after about 1 minute of full RPM action. Anyone know if running at full RPM can really affect the engine? When I have 14 people on my 25 foot Bennington pontoon boat, running on anything but full RPM is slow (below 13 MPH according to my GPS) (especially when I go against the current on the river that I am on). The reason I bring this up is that when I use my Honda lawn mower to mow the lawn, that thing runs at full RPM from start to finish, which is sometimes hours - the mower has been working like new for the last 3 years. |
#3
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#4
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![]() Dan J.S. wrote: The manual states to not run my Honda four stroke 90 HP (2001 model) for more than 5 minutes at full RPM. The throttle actually backs off automatically after about 1 minute of full RPM action. Anyone know if running at full RPM can really affect the engine? When I have 14 people on my 25 foot Bennington pontoon boat, running on anything but full RPM is slow (below 13 MPH according to my GPS) (especially when I go against the current on the river that I am on). The reason I bring this up is that when I use my Honda lawn mower to mow the lawn, that thing runs at full RPM from start to finish, which is sometimes hours - the mower has been working like new for the last 3 years. It has a governor. With the boat motor, I'd suspect that they want you to have maximum RPM's available to get out of the hole, get a skier up, etc. but then run at a comfortable (to the engine) RPM. |
#6
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![]() "Dan J.S." wrote in message ... The manual states to not run my Honda four stroke 90 HP (2001 model) for more than 5 minutes at full RPM. The throttle actually backs off automatically after about 1 minute of full RPM action. Anyone know if running at full RPM can really affect the engine? When I have 14 people on my 25 foot Bennington pontoon boat, running on anything but full RPM is slow (below 13 MPH according to my GPS) (especially when I go against the current on the river that I am on). The reason I bring this up is that when I use my Honda lawn mower to mow the lawn, that thing runs at full RPM from start to finish, which is sometimes hours - the mower has been working like new for the last 3 years. You really need a larger outboard. It will be temping to want to run that 90 at WOT. I bought a bennington 20 ft with a Merc 50 a few years back. After the first year, I traded up to a 90. I am SO MUCH happier with the larger engine. and the 50 is much happier on the piece of crap bass boat it wound up on. My original thought was that we would just need a big enough engine to put-put around the lake on... grin... I knew I had screwed up after the first time out.. db |
#7
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![]() "D-unit" wrote in message ... "Dan J.S." wrote in message ... The manual states to not run my Honda four stroke 90 HP (2001 model) for more than 5 minutes at full RPM. The throttle actually backs off automatically after about 1 minute of full RPM action. Anyone know if running at full RPM can really affect the engine? When I have 14 people on my 25 foot Bennington pontoon boat, running on anything but full RPM is slow (below 13 MPH according to my GPS) (especially when I go against the current on the river that I am on). The reason I bring this up is that when I use my Honda lawn mower to mow the lawn, that thing runs at full RPM from start to finish, which is sometimes hours - the mower has been working like new for the last 3 years. You really need a larger outboard. It will be temping to want to run that 90 at WOT. I bought a bennington 20 ft with a Merc 50 a few years back. After the first year, I traded up to a 90. I am SO MUCH happier with the larger engine. and the 50 is much happier on the piece of crap bass boat it wound up on. My original thought was that we would just need a big enough engine to put-put around the lake on... grin... I knew I had screwed up after the first time out.. db Yeah good idea. Only issue is that this bad boy has only 150 hours on it, and runs like top. Plus, another Honda 130 or so is like $20k. If I am going to be buying a new engine, maybe I should just run this one hard, kill it, and then get the 130. |
#8
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On Tue, 27 Jun 2006 11:17:15 -0500, "Dan J.S." wrote:
"Capt John" wrote in message ups.com... wrote: Ok the honda lawnmower has a governer that stops it at around 3600rpm. That is NOT full speed for the lawnmower but a comfortable zone. If you have that many people on board using a 90HP motor your nutz. You want to cruise at a decent speed with a severely underpowered motor. Either buy another motor or just buy a twin. Dan J.S. wrote: The manual states to not run my Honda four stroke 90 HP (2001 model) for more than 5 minutes at full RPM. The throttle actually backs off automatically after about 1 minute of full RPM action. Anyone know if running at full RPM can really affect the engine? When I have 14 people on my 25 foot Bennington pontoon boat, running on anything but full RPM is slow (below 13 MPH according to my GPS) (especially when I go against the current on the river that I am on). The reason I bring this up is that when I use my Honda lawn mower to mow the lawn, that thing runs at full RPM from start to finish, which is sometimes hours - the mower has been working like new for the last 3 years. Dan Your lawn mower is running with a very light load on it, and it does have a govenor. Running your outboard for extended periods of time at or near wide open throttle will greatly reduce it's life. Your best bet is to invest in another prop with less pitch in it as the one you have now is no good when you have a lot of people on board (is it really safe to have that many people on board?). Or you can swap propellers when needed, but doing what you are right now, start saving up for that next engine, you'll need it soon. OK thanks! The bennington is rated at 17 people or 2300 lbs... its a pontoon boat, and there are many here like it. Good suggestions. I guess I will just run at below 4000 rpm when cruising, and only move up to 6,000 or so when going short distances. Thanks!! That appears to be 17 females, with no other gear on board. Those are *small* people at 135 lbs each! Does the 2300 lbs not include gear, furniture, coolers, etc, etc.? -- John H ****************************************** ***** Have a Spectacular Day! ***** ****************************************** |
#9
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![]() "Dan J.S." wrote in message ... "D-unit" wrote in message ... "Dan J.S." wrote in message ... The manual states to not run my Honda four stroke 90 HP (2001 model) for more than 5 minutes at full RPM. The throttle actually backs off automatically after about 1 minute of full RPM action. Anyone know if running at full RPM can really affect the engine? When I have 14 people on my 25 foot Bennington pontoon boat, running on anything but full RPM is slow (below 13 MPH according to my GPS) (especially when I go against the current on the river that I am on). The reason I bring this up is that when I use my Honda lawn mower to mow the lawn, that thing runs at full RPM from start to finish, which is sometimes hours - the mower has been working like new for the last 3 years. You really need a larger outboard. It will be temping to want to run that 90 at WOT. I bought a bennington 20 ft with a Merc 50 a few years back. After the first year, I traded up to a 90. I am SO MUCH happier with the larger engine. and the 50 is much happier on the piece of crap bass boat it wound up on. My original thought was that we would just need a big enough engine to put-put around the lake on... grin... I knew I had screwed up after the first time out.. db Yeah good idea. Only issue is that this bad boy has only 150 hours on it, and runs like top. Plus, another Honda 130 or so is like $20k. If I am going to be buying a new engine, maybe I should just run this one hard, kill it, and then get the 130. Ouch.. Surely you could get something for the 90. I sold my 50 merc 2-stroke (50 hours) for like $2500 and bought a brand new 90 merc 2 stroke (same hookups) for something like 5K. That didn't hurt so bad. Im sure the 50 would be worn out by now. We realized that we liked to ski/tube/wakeboard once we got out on the water and the 50 had to work overtime to pull this off.. (no pun intended). The 90 will pull just your ass out of the water no prob. Btw, we love our bennington 2050LX. It still looks brand new... wish I could say the same thing about the piece of junk trailer it came with... oh well. The boat is only rated for a 75 but after a call to Bennington, the tech said I could put a 90 on it and adjust the head count down by one. One more thing, If you do trade up on the engine, you might have to play around with different props to get it right. I went through 3 props before finding the "right one". The dealer who sold me the engine was very helpfull in exchanging props. "Good luck with all that" db |
#10
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![]() "JohnH" wrote in message ... On Tue, 27 Jun 2006 11:17:15 -0500, "Dan J.S." wrote: "Capt John" wrote in message ups.com... wrote: Ok the honda lawnmower has a governer that stops it at around 3600rpm. That is NOT full speed for the lawnmower but a comfortable zone. If you have that many people on board using a 90HP motor your nutz. You want to cruise at a decent speed with a severely underpowered motor. Either buy another motor or just buy a twin. Dan J.S. wrote: The manual states to not run my Honda four stroke 90 HP (2001 model) for more than 5 minutes at full RPM. The throttle actually backs off automatically after about 1 minute of full RPM action. Anyone know if running at full RPM can really affect the engine? When I have 14 people on my 25 foot Bennington pontoon boat, running on anything but full RPM is slow (below 13 MPH according to my GPS) (especially when I go against the current on the river that I am on). The reason I bring this up is that when I use my Honda lawn mower to mow the lawn, that thing runs at full RPM from start to finish, which is sometimes hours - the mower has been working like new for the last 3 years. Dan Your lawn mower is running with a very light load on it, and it does have a govenor. Running your outboard for extended periods of time at or near wide open throttle will greatly reduce it's life. Your best bet is to invest in another prop with less pitch in it as the one you have now is no good when you have a lot of people on board (is it really safe to have that many people on board?). Or you can swap propellers when needed, but doing what you are right now, start saving up for that next engine, you'll need it soon. OK thanks! The bennington is rated at 17 people or 2300 lbs... its a pontoon boat, and there are many here like it. Good suggestions. I guess I will just run at below 4000 rpm when cruising, and only move up to 6,000 or so when going short distances. Thanks!! That appears to be 17 females, with no other gear on board. Those are *small* people at 135 lbs each! Does the 2300 lbs not include gear, furniture, coolers, etc, etc.? -- John H ****************************************** ***** Have a Spectacular Day! ***** ****************************************** 17 half naked females... Arent boats wonderfull?? ![]() db |
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