Yamaha 200 HPDI Oil Reservoir & Steering

ltfinney

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Jun 18, 2005
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3
Is there a way to check each of the components on the oil reservoir, mainly the pump. I've pulled both of my reservoirs out and I religiously change the small filter located on the back about every 4 months. My Port motor keeps using more oil than the sending unit is sending to it. I had the pump replaced in this unit 2 years ago. I use the boat once about every 2- 2 1/2 months, just enough to keep everting working. With that said, I should have just over 100 hours on the new pump. The reason I had it replaced was the old one was doing the same thing. Another thing I do is clean both oil tanks every time I change the filters. I turn the old oil in for recycling and replace it with fresh new oil. I can't figure out for the life of me why it will pump some oil, but not enough. When I flip the switch on the motor, nothing happens, so I believe it is an electrical problem, but I want to rule out the sending unit first as I may just have a bad switch. My arguement against an electrical problem is: I don't think it would pump any oil to the motor if is electrical in nature. Any suggestions would be much appreciated. <br /><br />My next question concerns steering maintenance. I have two large nipples on a big cylinder that is just beneath my starboard motor. I'm guessing these need some kind of lubrication. These nipples are considerably larger than the grease nipples on the motor hinge. I've owned the boat four years now and I've never done any type of maintenance on the steering system as I do not know what to do. Again any help or advice you provide will be greatly appreciated. <br /><br />Thank you for your help.<br /><br />v/r<br />ltfinney
 

ltfinney

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Jun 18, 2005
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Re: Yamaha 200 HPDI Oil Reservoir & Steering

http://parts.yamaha-motor.com/scrip...\0012.TIF&ilSC=15&ilIV=0&ilBR=0&ilIF=G&ilRE=8 <br /><br />IRT oilers, I've learned a lot the last day and a half. I'm posting an answer to my first question as I believe this format would have been very helpful to me if someone had already posted something similar. First, copy all of the text above into you address bar so we can get on the same page.<br /><br />OK... Let's check this system out. First toggle part number 5 to check and see if your motor (26) runs. If it runs, you should hear a hum. If your motor runs, you should begin to see oil flow into the motors oil tank (1). If you motor runs and this isn’t happening, I would venture to guess that the little filter (23) on the back side of the tank is clogged.<br /><br />OK… Let’s say you got through that ok, but for some reason your remote tank (18) is not sending enough oil to the motors oil tank (1) when you are at full throttle. A possible reason for this is your sensor (2) has gone bad. I don’t know what you call it, but I know how to check it now. This little do-hitchie’s job is to let the oil reservoir know when 1 needs oil from 18. If 1’s tank is full, put your key in the ignition and turn it to on, but do not crank it. Pull up on 2 until you free it from the tank and lift it slowly from the housing. This will cause the unit to think that the oil is falling below a safe level and it should send a signal to 18 to pump more oil. Done correctly, oil should be flowing into the tank (1) from (18) once it is lifted high enough. If this didn’t happen, number 2 may be just that. This unit (2) is supposed to check the level of oil in the tank when you first turn the key on and fill 1 to the proper level if it is not already there.<br /><br />OK… if we still haven’t solved our problem, let’s get messy. Before you start, find a pair of forceps or vice grips and pinch the oil line to the motor off just after the junction nipple (29). You’ll have three things to undo. The first one is the wiring harness. Just pull it apart and don’t use the wires to do it. Second, remove the wire ties (31) holding the junction nipple (29) and disconnect the oil tank from the oil line to the motor. Third, Remove the tank from it’s holder by removing 37 and lifting the bracket. Lift your tank out as best you can.<br /><br />OK… let’s check your motor (26) and since we have the tank out anyway let’s clean it and change the filter. Before you start, put a soda bottle or something on the open end of the oil line to catch the oil in case the motor works. We can test the motor by disconnecting 31 from 32 by pulling the wires apart at the junction. You should have a brown (positive) wire and a blue (negative) wire. Using some scrape wire, connect these straight to a 12 volt battery and see if the motor runs. If it’s working properly and the filter isn’t clogged, oil should be freely flowing. If the motor runs and nothing happens, you’ve probably got a clogged filter which is what I’m sure most people will find the problem to be. To change the filter, clamp off 21 like you did the oil line before you began this. First, let’s change that pesky little filter (23). You should be able to figure out how to remove it. Once removed, I use my air compressor to blow it out if it’s not clogged. I set my pressure at 25 PSI. If you’re scared to do this, you can buy a new one for about $15 at your local marine dealer. I personally like to know I have a clean oil tank, so I drain it into one of those oil catcher things you can buy at Wal-Mart. Once I’ve drained the whole thing, I pour about a cup of gasoline into the tank and swish it around until the bottom is spotless. Then I drain it all out. I wouldn’t use anything but gas to clean the tank as once it’s diluted with the new oil. I’ve heard too many people say just a tad of water in your oil will ruin your motor. NOTE: DO NOT RUN YOUR PUMP (26) UNTIL YOU’VE REPLACED THE OIL TO DILUTE ANY REMAINING GAS. (This is a great mixture for killing that pesky grass that keeps trying to grow through your driveway) Put it all back together and you should be ready for the season.<br /><br />Part number 32 is easy to diagnose. If you keep running out of oil in the reservoir and you aren’t getting any warning, 32 is probably bad as its job is to check the level in the reservoir and let you know when it’s running low.<br /><br />My problem: believe it or not, the connection between 31 and 32 was loose, so it just depended on the day as to whether or not it would work. I found the problem when I went to check my pump motor (26). I hope this helps someone.<br /><br />Disclaimer: I’m not a marine mechanic; the things I’ve talked about here were discovered through trial and error and a little bit of critical thinking. I hope someone will get back to me on the maintenance of my steering system. I noticed a nut directly on top of my steering wheel that says oil. That gives me a clue, but what kind of oil do I need.
 

rodbolt

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Joined
Sep 1, 2003
Messages
20,066
Re: Yamaha 200 HPDI Oil Reservoir & Steering

to check the static flow, drain the engine tank by removing the water trap nipple until the alarm sounds, key on engine off. from empty to full, key on engine off must occuer within 180 seconds or an oil restiction low voltage is present.<br /> the remote tank must have about 3qts in it to test the flow rate.
 

ltfinney

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Jun 18, 2005
Messages
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Re: Yamaha 200 HPDI Oil Reservoir & Steering

ok... I didn't think of that. That's really useful info... Thanks.
 

rodbolt

Supreme Mariner
Joined
Sep 1, 2003
Messages
20,066
Re: Yamaha 200 HPDI Oil Reservoir & Steering

I think the "nipples" you are refering to are the steering cyl bleed nipples.<br /> dont mess with them. they are for bleeding the air from the hydrualic system.<br /> most techs seem to be unaware of the precision blend self testing thing.<br /> over the years the transfer lock out has changed, however if the engine tank is empty and the remote tank sensor says its full the control unit will turn on the pump for 180 seconds at key on power. the above condition tells the control unit to go into a "fill" mode cause its not supposed to ever have that tank level condition. if the remote tank sensor tells the control the remote tank is out of oil no transfer will occur. <br /> but if you look carefully at the maint schedule it tells you to periodically test the engine tank sensor and the remote filter and drain the water trap on the engine tank. if you remove the filter screen from the engine tank you MUST drain the tank fisrt or any trash on the bottom WILL enter the oil pump feed line and you MUST retrive and REPLACE the rubber filter seal or trash WILL enter the oil pump. attention to the filter vent hole must be paid or it wont vent and the engine tank will overflow, I have actually seen the pressure force the sensor assy from the tank.
 
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