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There are 3 connections on the new tank. 1- feed/suction. 2- return. 3-breather. You should be able to look inside the tank and tell which is which. The 2 coming in the front botton is feed and return. The return should have a small tube sticking up inside the tank. The feed will not have a tube on it. The breather will be at the top of tank (if it is on the bottom it will also have a tube sticking up inside the tank.
I don't know what "T" piece you are talking about. There is no "T" on the drain hose or any of the oil hoses. Here is a breakdown of the hoses coming from the oil tank on the year/model you have.
The way to tell on Harleys is as follows (with explanations).
If you pull the oil lines one at a time, the following will happen:
On the oil return, and the vent line, oil will not flow out (except maybe a little residual oil).
On the feed line (oil tank TO oil pump), oil will flow out, especially it the oil cap is removed!
NOW, if you\'re asking because you want to install an inline oil filter or oil cooler, the feed line IS NOT the one you want to install this on!!!
Why?
The feed line is gravity fed to the oil pump, and there is no pressurization in this line, and the line could cavitate (suck air), especially if the filter/cooler are mounted too high!
The RETURN line is where you want to install these items, as this line is pressurized with the engine running, forcing the oil through them on the way back to the oil tank.
So which is the vent, and which is the return?
Pull the two lines you have already identified as NOT being the feed line (as described above), start the bike and run for ONLY about 5-30 seconds (or however long is needed), and see which line has oil coming out of it under pressure.
THIS is the line to install an oil filter and/or cooler.
Follow the hoses from your oil tank There are 3 ports on the bottom of the oil tank. The feed, vent and return. The feed hose routes oil from the feed port at the lower right front corner to a fitting on the oil pump. The return hose comes from the oil pump back to the return port on the tank. The vent hose vents out the bottom of the frame.
Blocked feed pipes are a common cause of this. Remove the pipes and blow them through with an air line. I came accross one engine with oil starvation and the cause was gasket sealer stuck in an oil way!
This page has a ton of wiring diagrams: http://www.smokeriders.com/diagrams/index.php?list=Harley_Davidson/Twins. The sportster did not come with a Big Twin 86" motor it came with the Sportster Ironhead & Evo motors. The sizes where; Ironhead 900cc, 1000cc & Evo 883cc & 1200cc. Still I would try the link I gave you it should help.
There is no adjustment to the valves on your Evo Sportster. The tappets are self adjusting hydraulics unless someone has changed them. Take a look at you pushrod tubes, are they should be one-piece tubes.
Sorry but I cannot explain why your crank sensor keeps giving trouble. I know nothing of the electronics on the newer bikes. But I do know that the last Sportster that used solid tappets was the 1985 model Ironhead. All Sportsters since have hydraulic tappets and require no adjusting.
I would guess stale gasoline or fuel. Try fresh fuel in the tank. If this doesn't clear the problem, you could need to have your carburetor or fuel injection system cleaned. I'm not even sure if they put fuel injection on Sportsters since I don't work on fuel injected bikes. I mostly work on the older bikes like Panheads, Shovelheads, Evos. Not too many Sportsters but have worked on a lot of Ironhead Sportsters. Try the fuel first. It's a cheap fix. Hope it works for you. Good luck with the knee replacement. My wife had one knee replaced and it works great.
On the older Sportsters there is a rubber pipe that is clamped onto the base of the battery box underneath. So when you unclamp the pipe the oil spews out. When replacing you just fill the oil tank and fill the primary case up to the marker screw near the bottom
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