Boats For Sale:
Transmission rattle? |
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phatsat67 
Grand Poobah 
Joined: March-13-2006 Location: Indiana Status: Offline Points: 6157 |
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 Topic: Transmission rattle?Posted: July-24-2014 at 11:00am |
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Long road but a good pay off buddy!!! Sounds like you have a very small amount of issues for the scope of the work you completed!!!
Now, use it as much as possible and drive it like you stole it. |
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KRoundy
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Joined: August-23-2010 Location: Lake Stevens Status: Offline Points: 1702 |
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Posted: July-24-2014 at 2:12am |
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Joe - I would wager you are correct. In all ways, the outcome of the investigation and corrections has produced positive results.
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Previous: 1993 Electric Blue/Charcoal Ski Nautique
Current: 2016 Ski Nautique 200 Open Bow |
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JoeinNY
Grand Poobah
Joined: October-19-2005 Location: United States Status: Offline Points: 5698 |
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Posted: July-23-2014 at 3:11pm |
it was the low idle ... but the cable mighta had you running someone or something over, or burning out your clutches. |
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Gary S
Grand Poobah
Joined: November-30-2006 Location: Illinois Status: Offline Points: 14096 |
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Posted: July-23-2014 at 8:59am |
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Way to go Kevin
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KRoundy
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Joined: August-23-2010 Location: Lake Stevens Status: Offline Points: 1702 |
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Posted: July-23-2014 at 2:41am |
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A quick update. After purchasing a timing light I determined that the idle speed was low and I bumped it up to the proper 650. It still does not idle super-smooth and I'm beginning to suspect the Pro Tec is weak. That is a topic for another day...
I also did some more critical looking at the transmission cable linkage and determined that the cable in my boat was fairly sloppy. It was the original cable that came with my high-hour ski school boat, but I had the low-hour donor boat cable in my garage. A 1/2-hour later I had the new cable installed, adjusted and I was happy with how much positive throw it gave to the shift arm on the transmission. I then loaded up the boat with some family and hit the lake. I warmed up the boat at the dock, put it in gear and we idled smoothly away with no damper plate chatter. :) I suppose I'll never know if it was the low idle or the sloppy cable, but either way the problem is solved and we are off skiing and boarding. I still have a few projects to work on. Only one Speedo works still (gotta check for clogged lines or pitot), I need to tighten the driveshaft packing, and I think I have a small transmission oil leak. I hope it is something simple like that little o-ring that seals the shifting arm. If not I might have a transmission rebuild in front of me this winter. I'm skiing! Did you hear that? Whew!!!! When we got back home my brother said, "I have a brother with a ski boat. How awesome is that?" |
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Previous: 1993 Electric Blue/Charcoal Ski Nautique
Current: 2016 Ski Nautique 200 Open Bow |
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KRoundy
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Joined: August-23-2010 Location: Lake Stevens Status: Offline Points: 1702 |
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Posted: June-22-2014 at 1:45pm |
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Tim - good input on the sloped tank concern. I had no thought about that but you are right. The tank is not a box. When it shows 1/4 full it is probably in all reality more like 1/3 full.
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Previous: 1993 Electric Blue/Charcoal Ski Nautique
Current: 2016 Ski Nautique 200 Open Bow |
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KRoundy
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Joined: August-23-2010 Location: Lake Stevens Status: Offline Points: 1702 |
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Posted: June-22-2014 at 1:40pm |
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Pete,
I did not dry test the sender (that would have been a good idea) but I did test it on a completely dry tank and it showed 63 Ohms. I figured that perhaps the presence of some gas might change that reading and I also was doing that while it was hooked up to the boat wiring (which could also change the resistance perhaps?). I need to go check it again now that I have some fuel in there. I think the proper reading is 33 - 240 Ohms. I am nearly certain I purchased the proper sender from Wema. I'll do some more investigations and report back on the fuel sender. In the meantime, today I get to go purchase a digital RPM gauge. I wonder if they have those at Harbor Freight? |
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Previous: 1993 Electric Blue/Charcoal Ski Nautique
Current: 2016 Ski Nautique 200 Open Bow |
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jimsport93
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Joined: February-20-2008 Location: Alpharetta Ga Status: Offline Points: 1750 |
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Posted: June-22-2014 at 11:24am |
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Had slow idle condition the first of last season. Damper plate chatter.
Raising the idle cleaned it up. Had Nautiquehunter give me a hand at the lake with it. Thanks Mike! |
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TRBenj
Grand Poobah
Joined: June-29-2005 Location: NWCT Status: Offline Points: 21184 |
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Posted: June-22-2014 at 10:38am |
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Low idle will cause damper knock. Set it to 650rpm in gear.
The 90-96 ski nautiques had tanks shape like triangles due to the sloped transom. The sender measures fuel depth so the gauge will not be linear. That does not sound like your issue, but something to keep in mind. Congrats on the successful water test! |
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8122pbrainard
Grand Poobah
Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Posted: June-22-2014 at 6:45am |
Is the sender the proper Ohm range? Did you dry test the sender hooked up before you installed it in the tank? Is the sender set for the tank depth? |
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KRoundy
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Joined: August-23-2010 Location: Lake Stevens Status: Offline Points: 1702 |
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Posted: June-22-2014 at 1:20am |
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Thanks! I'm quite pleased with how well everything generally worked. I really am just now realizing how great things went in general.
The idle seems low so thanks for the data point. Time to get out my owner's manual. The idle speed certainly seemed low to me. Thanks, I will definitely check that out. |
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Previous: 1993 Electric Blue/Charcoal Ski Nautique
Current: 2016 Ski Nautique 200 Open Bow |
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SNobsessed
Grand Poobah
Joined: October-21-2007 Location: IA Status: Offline Points: 7102 |
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Posted: June-22-2014 at 12:35am |
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The damper plate will rattle if idle is low. Maybe rough idle affects it too.
Congratluations on the maiden voyage. |
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“Beer is proof that God loves us and wants us to be happy.”
Ben Franklin |
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Gary S
Grand Poobah
Joined: November-30-2006 Location: Illinois Status: Offline Points: 14096 |
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Posted: June-22-2014 at 12:33am |
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Kevin,Alan 81nautique had a great write up on how to adjust everything try a search. Basically you disconnect the throttle at the carb then put throttle lever forward in gear then adjust linkage so you make sure lever at the trans is in the detent in forward. Then adjust carb end so that the cable connects with out moving the throttle plates and reconnect. As to the gauge I thought they either worked or they didn't. Are you sure you got the right ohm sender for your gauge? I seem to remember you used the gauges out of the donor boat? Same year? I wonder if they changed gauges and the ohms are different
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KRoundy
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Joined: August-23-2010 Location: Lake Stevens Status: Offline Points: 1702 |
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Posted: June-21-2014 at 11:52pm |
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Here's how it went.
The starting was a little difficult, but once she turned over she worked OK. More on that in a second. The engine warmed up and the temp never moved off about 170 degrees. I was getting 60 psi on the oil gauge and about 14 volts indicated from the alternator. My tank had 11 gallons of gas in it but the gauge indicated it was nearly full. Since I just put a new Wema sender on there I'm thinking I need a new gauge. Only one of the speedometers worked. The left one. Maybe I should just get a GPS for the right. Ha ha... The real issues: - The engine idled rather rough. What is the proper idle speed? I think that the engine really needs a tune-up. I got new plugs from Zach a while ago, so it is time to put those on. What else is there to do to tune up this engine? I know - get rid of the Pro Tec... but it seemed to run OK under way. The acceleration was crazy. I had forgotten that about these boats. At first I could not believe how easy it was to get up to speed. I got out my GPS speed app and it turns out the gauge is just about spot-on, so the boat is just fast. There was a noticeable knock/rattle when I put the transmission into forward. I could not tell if the boat was shaking or not, but it didn't sound very good. If I gave it a little more throttle it would smooth out instantly. I'm wondering if the throttle is not moving the transmission lever forward enough and that I'm only partially engaging the transmission when the MV-2 gets to that first click. Would that cause a rattle/noise? Then when I click forward a little more perhaps the cable moves that last little bit and the transmission fully engages. That's my theory, but I wonder if somebody else here might be able to tell me what else it might be. Can you believe it? I actually took my boat on the water! And it sort of worked! Three years... |
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Previous: 1993 Electric Blue/Charcoal Ski Nautique
Current: 2016 Ski Nautique 200 Open Bow |
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KRoundy
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Joined: August-23-2010 Location: Lake Stevens Status: Offline Points: 1702 |
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Posted: June-21-2014 at 11:33pm |
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OK. The Rough '93 Ski floats and moves. But the trip was not without issues.
  And there is a video: Video of Kevin's first day on the lake |
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Previous: 1993 Electric Blue/Charcoal Ski Nautique
Current: 2016 Ski Nautique 200 Open Bow |
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KRoundy wrote: