Boats For Sale:
Proper operating temp |
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Netdewt 
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Joined: February-15-2010 Location: Minneapolis Status: Offline Points: 222 |
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 Topic: Proper operating tempPosted: July-03-2017 at 9:26pm |
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Generally I reverse, but it doesn't always work.
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1989 Ski Nautique 2001, 940 hours
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MrMcD
Grand Poobah 
Joined: January-28-2014 Location: Folsom, CA Status: Offline Points: 3749 |
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Posted: July-03-2017 at 6:32pm |
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Sometimes you can clear weeds just by backing up quickly or spinning a sharp turn around.
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Netdewt
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Posted: July-03-2017 at 2:51pm |
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An update - I let the boat sit for the night and cleaned the strainer the next morning. Took it out and dove under to check for weeds on the intake. I made sure all was clear and it has run at or below 160 degrees the last few days. I am continuing to make a habit of watching the engine temp.
My dad's cabin is on a small harbor totally choked with weeds, so I have to make sure to clean them off every time I leave. |
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1989 Ski Nautique 2001, 940 hours
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ArtCozier
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Joined: April-25-2012 Location: Orlando FL Status: Offline Points: 1023 |
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Posted: July-02-2017 at 9:39pm |
Well, the memory fades as the years add up. Perhaps it was when we developed the SN 200 that Uncle Coast Guard made that ruling. |
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"Art"
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MrMcD
Grand Poobah
Joined: January-28-2014 Location: Folsom, CA Status: Offline Points: 3749 |
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Posted: July-02-2017 at 5:18pm |
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My 1995 SN does not have a sea cock.
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ArtCozier
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Posted: July-01-2017 at 10:34pm |
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For clarification on seacocks, the boats prior to about 1990 didn't have them except for the saltwater boats. (Fish Nautique and San Juan) About that time the USCG put a rule in place that all boats 20' or over had to have seacocks, Since the SN was the only boat we made under 20" at the time, it was decided that it would be less confusing to just put it on all models.
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"Art"
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Bri892001
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Joined: September-27-2008 Location: Boston MA Status: Offline Points: 4947 |
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Posted: July-01-2017 at 2:03pm |
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Don't worry about the seacock, our boats typically don't have them. The strainer will just unscrew. Be careful not to lose the circular gasket when you're dumping out any debris. The little tubular screen should pop out with a little coaxing. But no need to pop it out if it's not dirty.
As the others said, the strainer should be above the water line if it's still in its original location. Some water will probably come out as you unscrew, but it should just be what's in there already. If it keeps coming (unlikely) then quickly screw it back on. |
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Netdewt
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Posted: July-01-2017 at 1:25pm |
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It is above water line. I tried youtubing and saw some comments about a "seacock" valve that needs to be shut off. Must be for big boats.
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1989 Ski Nautique 2001, 940 hours
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8122pbrainard
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Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Posted: July-01-2017 at 1:20pm |
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Nate,
The strainer should be mounted above the water line as well but do check to make sure a PO hasn't moved it. |
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Netdewt
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Posted: July-01-2017 at 1:17pm |
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Yes, I know that it should not be run out of water. I've been careful to ask a lot of those questions, I just don't know what parts are where and what will happen when I remove them.
The impeller is inside the pump, after the strainer, bolted to the left hand (port) side of the engine, correct? Can I open the stainer and or mess with the pump without flooding the boat? It's in the water and I did not bring my "toilet plunger". |
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1989 Ski Nautique 2001, 940 hours
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8122pbrainard
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Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Posted: July-01-2017 at 1:11pm |
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Nate, One more thing to keep in mind is the rubber impeller is water lubricated so you do not what to run the engine with the boat out of the water without hooking it up the garden hose.
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8122pbrainard
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Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Posted: July-01-2017 at 1:08pm |
The RWP is above the water line so you can R&R the impeller with the boat in the water. |
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Netdewt
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Posted: July-01-2017 at 1:06pm |
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I don't see any sort of valve to close, what will keep water from coming in when removing any of these parts?
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1989 Ski Nautique 2001, 940 hours
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MACS81SN
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Joined: May-27-2009 Location: NW OH / S. MI Status: Offline Points: 109 |
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Posted: July-01-2017 at 12:47pm |
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Rwp = raw water pump
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Mark
1999 -SN - 502 Python 1981 - SN Owned 33 years - Sold 1968 - Mustang - Sold |
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Netdewt
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Posted: July-01-2017 at 12:39pm |
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Yeah, I know impellers need to be closely watched. Is it an easy DIY job? I want to check for weeds this morning before I spend money at the cabin and add stress to the weekend.
I wish I did, but I'm not sure what "rwp" means! Lots to learn... |
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1989 Ski Nautique 2001, 940 hours
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bb12
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Joined: March-24-2009 Location: Kansas, USA Status: Offline Points: 355 |
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Posted: July-01-2017 at 12:13pm |
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Pop the rwp off and take a look. It might need a fresh impeller...first thing I did when I bought my boat was change the impeller...its cheap insurance.
You can check the intake in the water, you'll just need some goggles. |
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1989 Ski Nautique 2001
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Netdewt
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Posted: July-01-2017 at 11:54am |
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I have not changed the impeller. Purchased last year and previous owner said it was changed recently. But I'd say 2-3 years old.
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1989 Ski Nautique 2001, 940 hours
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SNobsessed
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Joined: October-21-2007 Location: IA Status: Offline Points: 7102 |
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Posted: July-01-2017 at 9:58am |
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Have you changed the impeller lately? Might just be a coincidence.
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“Beer is proof that God loves us and wants us to be happy.”
Ben Franklin |
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Netdewt
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Posted: July-01-2017 at 2:22am |
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Agh. It's carbeurated.
Intake can really only be checked out of water, right? |
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1989 Ski Nautique 2001, 940 hours
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bb12
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Posted: July-01-2017 at 1:02am |
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Yes, that can happen. Check the intake, strainer and tranny cooler for weeds/debris.
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1989 Ski Nautique 2001
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MrMcD
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Joined: January-28-2014 Location: Folsom, CA Status: Offline Points: 3749 |
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Posted: July-01-2017 at 12:35am |
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For carbureted engines 140 is the standard Thermostat Temp. For Fuel Injected Engines in boats the temp is 160. 180 tells you there is an issue to fix.
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Netdewt
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Posted: July-01-2017 at 12:11am |
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What is the proper operating temperature for my 89 SN? I went through a ton of weeds (par for the course this time of year) and started to wonder if the intake is plugged. Does that happen? It was running at about 180 just now. I think 160 is pretty typical after an initial warmup.
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1989 Ski Nautique 2001, 940 hours
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MrMcD wrote: