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1948 Oil - Feedline Shutoff

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  • #16
    I think I would rather trust myself to turn on the oil then on a electric controlled one that could fail on its own.

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    • #17
      Dave;
      If you would like I will try and look up the gent I bought my shut off from and send contact info to you.

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      • #18
        I don't think the electronic part of the unit cuts the oil directly.
        It looks like it is basically a petcock that cuts the ignition when it is in the off position. A standard mechanical shutoff that won't let you start the bike until the petcock is in the on position.
        But it would be me that will spend an afternoon chasing the electrical fault only to discover that I had not turned my oil petcock on....

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        • #19
          PaulCDF

          Sure - if you want to try and find that information for me it would be great. If for nothing else other than to look at their design and think more about the options.
          I do like your idea of draining the oil with the Kiwi EZ-Drain. But it's almost the same as what I was doing pre-ride with pulling the drain plug on the crank...

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          • #20
            I use this on my Chief. Works great.

            EZ Drain.jpg

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            • #21
              I posted the electric style switch more for educational purposes. I would not use one on my bike but it's a neat part. I also would not use it to kill the ignition as it might ruin a ride if it failed. I would use it to sound the horn if the key was turned on while the switch was in the off position. That would wake you up. If it's a normally closed switch you could change the logic with a 6v (or 12v) relay.

              Or you could just drain the sump once a year.

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              • #22
                OIL SWITCH.jpg OIL SWITCH NORMALLY CLOSED.jpg 47 WIRE DIAGRAM.jpg

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                • #23
                  Dave
                  Here are a couple of pictures of that oil line shut off valve. You can see the name and address of the gent who I purchased it from on the box. He is also on fb. I asked him and if there is enough interest he will do another run. (I prefer the Kiwi quick drain).



                  Oil line shut off valve IMG_6368.JPG



                  Oil line shut off valve IMG_6367.JPG

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                  • #24
                    I think this will fit oil line 3/8".


                    brass shut off for oil line.jpg

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                    • #25
                      This one has easy compression fittings.

                      brass shut off D.jpg

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                      • #26
                        But please understand that I post these valves just for the sake of conversation. I really don't recommend anyone use them. If that valve was not fully "on" your motor could oil starve at high speed. It's too much of a risk.

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                        • #27
                          Hi guys! My 47 Chief also has the oil pump blues. Sumps bad after a few days. So I says to myself, "Self, let's take it off and fix it.." So first I watched Kiwi Mike's video a few times and disassembled that. Turns out my 5/8" plunger is scarred and that's what is causing it. Only to find out that new plungers are not available! Therefore, I am putting the unfixed pump back on and plan to install a shut off valve in the line, which I found on eBay. But now after reading on this forum that a valve may restrict the needed oil flow, I wonder?

                          The petcock I ordered is the same as the stock Indian gas petcocks. Will that supply enough oil to the motor? The oil line is 1/4". And I'll have to bend my stock line to accommodate the added length of the valve. Has anybody else bent an aluminum oil line? I don't think heating it up would help, would it?

                          Can anyone provide input to this project?

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                          • #28
                            ...some folks that run total loss motors will install a petcock in place of the crankcase level drain plug (the upper one) in order to make it easier to check how much oil is in the sump (not too much, not too little is the goal), and if you're wet sumping it would make it a whole lot simpler to drain some oil out of your crankcase if you had a petcock down there. Just an idea!
                            Pisten Bully is Harry Roberts in Vermont.

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                            • #29
                              Originally posted by Larry Barnes View Post
                              Hi guys! My 47 Chief also has the oil pump blues. Sumps bad after a few days. So I says to myself, "Self, let's take it off and fix it.." So first I watched Kiwi Mike's video a few times and disassembled that. Turns out my 5/8" plunger is scarred and that's what is causing it. Only to find out that new plungers are not available! Therefore, I am putting the unfixed pump back on and plan to install a shut off valve in the line, which I found on eBay. But now after reading on this forum that a valve may restrict the needed oil flow, I wonder?

                              The petcock I ordered is the same as the stock Indian gas petcocks. Will that supply enough oil to the motor? The oil line is 1/4". And I'll have to bend my stock line to accommodate the added length of the valve. Has anybody else bent an aluminum oil line? I don't think heating it up would help, would it?

                              Can anyone provide input to this project?
                              Larry, most of the main Indian vendors such a Kiwi offer a repair service for the worn plunger. They hard chrome it and the hone the bore to the original spec. This not only gives you more oil volume (plunger doesn't provide pressure like a gear pump can) but also stops wet sumping over time. You don't need a new pump plunger.

                              They also re-surface the return pump area and install new return gears. He then puts the unit in a jig and tests the pumps performance before retuning the unit to you.


                              oil pump station.jpg cast oil pump A.jpg




                              Last edited by DEEBS47Chief1991; 03-21-2025, 10:05 AM.

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                              • #30
                                Originally posted by Larry Barnes View Post
                                Hi guys! My 47 Chief also has the oil pump blues. Sumps bad after a few days. So I says to myself, "Self, let's take it off and fix it.." So first I watched Kiwi Mike's video a few times and disassembled that. Turns out my 5/8" plunger is scarred and that's what is causing it. Only to find out that new plungers are not available! Therefore, I am putting the unfixed pump back on and plan to install a shut off valve in the line, which I found on eBay. But now after reading on this forum that a valve may restrict the needed oil flow, I wonder?

                                The petcock I ordered is the same as the stock Indian gas petcocks. Will that supply enough oil to the motor? The oil line is 1/4". And I'll have to bend my stock line to accommodate the added length of the valve. Has anybody else bent an aluminum oil line? I don't think heating it up would help, would it?

                                Can anyone provide input to this project?
                                The petcock style valve will be a restriction unless it is full port valve,where the the line I'd and vallve port are the same.These valves are much bigger .Will it cause a problem?I don't know,but restricting the oil feed line cant be a good idea.If you want a petcock ,pisten bullys suggestion of replacing the drain plug is a better idea.
                                Some leak down is normal,a few days is ridiculous.My 47 leaked down only about a pint over this winter.I would be concerned about the running performance.
                                Also,doesnt kiwi offer a service to hard chrome and grind the plungers?
                                Tom

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