Tried searching to no avail. PO used Amsoil API-TC oil, but I have easy access to XPS (all i have every used) and i was always taught dont mix oils, different additives can mean problems (better safe than sorry). So Im putting XPS in my Sportster too (Twin 717s). Anyway, any tips on draining out the old oil in the resevoir? I dont wnat to be lazy, but am considering leaving whats in the lines in there, since its just going to get burned off, but then again, should i just drain those too?
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switching oils
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Dr Honda
Well-Known Member
No easy way to do it.
I would start with the hose at the filter, and drain the tank. Then, remove the filter, and lower the hose going to the pump, and let it drain. And then, put it back on with a new filter.
Then... remove the hose going to the RV, at the tank. Lower it... and let the engine(s) drain.
Once clear... refill the tank, and bleed the oil pump.
I would start with the hose at the filter, and drain the tank. Then, remove the filter, and lower the hose going to the pump, and let it drain. And then, put it back on with a new filter.
Then... remove the hose going to the RV, at the tank. Lower it... and let the engine(s) drain.
Once clear... refill the tank, and bleed the oil pump.
Sportster-2001-951C-Stock
Well-Known Member
I did that to my boat when I bought it, it had the wrong oil in it. I disconnected the oil hose at the outlet side of the in-line oil filter and drained the remaining oil from the oil tank through the filter, which is mounted high and dry. Draining through the filter, I noticed the oil came out quickly by gravity feed, so I was happy the flow was good and the filter wasn't plugged.
Some say to remove the tank and flush it out with something, perhaps gasoline and dry it and the hose out well, I didn't do this.
Next, after waiting a good 10 minutes or longer for all the residual oil to stop dripping into my catch bottle, I raised the end of the filter above the tank and refilled the tank with the proper oil It might also be a good idea to replace the filter but I didn't, because it flowed well. The in-line oil filter is a special filter, not a fuel filter, a fuel filter won't flow viscus oil properly.
Next, I drained a small amount of oil through the hose and filter into my catch bottle then quickly reconnected the oil filter outlet to the hose leading to the pump and made sure to bleed any air out of the hose as I did. Finished filling the oil tank, it was a warm day, so I went for a long ride starting and running the boat normally, lasting most of the remainder of the day and have had no problems since.
If there's any doubt, you can fill your fuel tank with pre-mix until you've verified the oil injection system is working correctly. I think it's possible for the oil to clump up if it's mixed, one oil may settle on top of the other, or something horrible like that may happen to interrupt the flow enough to cause a lack of lubrication.
Some say to remove the tank and flush it out with something, perhaps gasoline and dry it and the hose out well, I didn't do this.
Next, after waiting a good 10 minutes or longer for all the residual oil to stop dripping into my catch bottle, I raised the end of the filter above the tank and refilled the tank with the proper oil It might also be a good idea to replace the filter but I didn't, because it flowed well. The in-line oil filter is a special filter, not a fuel filter, a fuel filter won't flow viscus oil properly.
Next, I drained a small amount of oil through the hose and filter into my catch bottle then quickly reconnected the oil filter outlet to the hose leading to the pump and made sure to bleed any air out of the hose as I did. Finished filling the oil tank, it was a warm day, so I went for a long ride starting and running the boat normally, lasting most of the remainder of the day and have had no problems since.
If there's any doubt, you can fill your fuel tank with pre-mix until you've verified the oil injection system is working correctly. I think it's possible for the oil to clump up if it's mixed, one oil may settle on top of the other, or something horrible like that may happen to interrupt the flow enough to cause a lack of lubrication.
Guest_User
New Member
if you at the point where the oil line is disconnected to purge the old oil, "change the oil filter!" some oils have solids and parafins in them and will clump regardless of flow, better safe than sorry... filters are cheap insurance...
Amsoil Interceptor, and XPS are very good oils...
Amsoil Interceptor, and XPS are very good oils...
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