Recently I installed an oil pressure gauge on the ol' XS. Pretty cheep too. Pull the oil sending unit and install a cast "T" fitting.
( You'll have to take the oil sending unit to the store with you match up th size of the threads ). As your sitting on the bike looking down, Install the oil sending unit to the left side of the "T" fitting. Come off of the right side of the "T" with 1/8 in tubing. this will run to an oil pressure gauge. ( I had used pvc tubing before but found the copper works better ) I mounted my gauge to the inside right of my windjammer fairing. To secure the tubing to the "T" and the gauge, I used brass wedding band type fittings. I ran a light bulb fitting wires (that came with my gauge) through the fairing via a hole drilled under the gauge mount. Ran the 2 wires to a splice in the wireing harness in my fairing. ( found a hot and a ground at the headlamp part of the harness ) The copper tubing runs between the #3 and #4 intake boots. You'll want to route the tubing to where it will not get a hole vibrated though it so use care and take your time. My tubeing runs along the frame rails, under the plastic frame head piece then has a small loop before it hits the gauge. ( you'll want to leave room for expansion ) . to keep the copper from rubbing against the frame, I simply wraped it with elect tape several times at the spots where it would be fastened to the frame via the stock wire harness straps. This was a very good upgrade cauz I don't and never will trust an idiot light. By the time the light comes on your motor's probably toast. If I can get the photo thing working I'll post some pics of mine.
( You'll have to take the oil sending unit to the store with you match up th size of the threads ). As your sitting on the bike looking down, Install the oil sending unit to the left side of the "T" fitting. Come off of the right side of the "T" with 1/8 in tubing. this will run to an oil pressure gauge. ( I had used pvc tubing before but found the copper works better ) I mounted my gauge to the inside right of my windjammer fairing. To secure the tubing to the "T" and the gauge, I used brass wedding band type fittings. I ran a light bulb fitting wires (that came with my gauge) through the fairing via a hole drilled under the gauge mount. Ran the 2 wires to a splice in the wireing harness in my fairing. ( found a hot and a ground at the headlamp part of the harness ) The copper tubing runs between the #3 and #4 intake boots. You'll want to route the tubing to where it will not get a hole vibrated though it so use care and take your time. My tubeing runs along the frame rails, under the plastic frame head piece then has a small loop before it hits the gauge. ( you'll want to leave room for expansion ) . to keep the copper from rubbing against the frame, I simply wraped it with elect tape several times at the spots where it would be fastened to the frame via the stock wire harness straps. This was a very good upgrade cauz I don't and never will trust an idiot light. By the time the light comes on your motor's probably toast. If I can get the photo thing working I'll post some pics of mine.
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