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Oil Leak Location?

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  • #16
    I believe I found the oil leak location just now: a stripped-out oil pan cap screw near the drain bolt. The screw is not stripped, the hole is. I ran a tap through it, a slightly longer bolt and threw some Gasket sealer on the threads and screw head. No leaks after changing the oil and running it.

    However, I did find a much BIGGER leak in my garage this morning before fixing that leak. HUGE puddle of oil right in the middle of the bike. WTF!!! Yesterday, before I left for work I checked the sight glass and saw no oil. So, I put about another 3/4 quart in the bike till it showed in the sight glass. Weird, as I assumed there was enough oil in there. Oh well. Got to work, put bike on center stand. Went out and checked the bike, huge oil puddle. Looked at sight glass, and it was full. Over-filled it? Got home and parked it. This morning was same result. I realized that the oil was coming from the crankcase overfill tube. So, why the oil did not show in the window despite being on the centerstand? Who knows. New oil at correct level now, with no leaks so far . . .
    1979 XS1100F
    2H9 Mod, Truck-Lite LED Headlight, TECHNA-FIT S/S Brake Lines, Rear Air Shocks, TKAT Fork Brace, Dyna DC-I Coils, TC Fuse Block, Barnett HD Clutch Springs, Superbike Handlebars, V-Star 650 ACCT, NGK Irridium Plugs, OEM Exhaust. CNC-Cut 2nd Gear Dogs; Ported/Milled Head; Modded Airbox: 8x8 Wix Panel Filter; #137.5 Main Jet, Viper Yellow Paint, Michelin Pilot Activ F/R, Interstate AGM Battery, 14MM MC, Maier Fairing, Cree LED Fog Lights.

    Comment

    • #17
      Ian, if you check oil right after riding it would appear empty, but give it few minutes to drain to the pan, and level goes back to normal

      had a panic attack after one of my first rides, when glass sight appeared empty

      of course make sure you're level and on centerstand, duh
      Nick

      1979 XS11 F,Yamaha fairings w/hard bags, TC's fuse box, K&N air filter

      1982 Virago 750 (it's alive!)

      1979 XS 11 F, Windjammer IV, Samsonite luggage cases(another rescue)

      Comment

      • #18
        Actually, it can take all night for the level to be accurate. There is quite a bit of oil knocking around at the top of the engine, I always leave my bike undisturbed for at least 12 hours before checking the oil level. Also, even a slight incline on the ground the bike is sitting on can make a difference. Overfilling is much worse than underfilling, IMO.
        XS1100F 1980 European model. Standard. Dyna coils. Iridium plugs. XS750 final drive (sometimes). Micron fork brace. Progressive front springs. Geezer regulator/rectifier. Stainless 4 into 2 exhaust. Auto CCT (Venturer 1300) SOLD. New project now on the go. 1980 European model.

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        • #19
          No, the bike was chillin' for about 30 minutes. Not a single spot of oil today. However I have a charging issue to chase down.,
          1979 XS1100F
          2H9 Mod, Truck-Lite LED Headlight, TECHNA-FIT S/S Brake Lines, Rear Air Shocks, TKAT Fork Brace, Dyna DC-I Coils, TC Fuse Block, Barnett HD Clutch Springs, Superbike Handlebars, V-Star 650 ACCT, NGK Irridium Plugs, OEM Exhaust. CNC-Cut 2nd Gear Dogs; Ported/Milled Head; Modded Airbox: 8x8 Wix Panel Filter; #137.5 Main Jet, Viper Yellow Paint, Michelin Pilot Activ F/R, Interstate AGM Battery, 14MM MC, Maier Fairing, Cree LED Fog Lights.

          Comment

          • #20
            Mine started to leak like that.. then got worse. It was the base gasket seeping. We were on a trip, so as a quick fix, in the hotel parking lot, I used a can of carb cleaner to clean all the grease/oil off, then put a bead of clear silicone across the front of the base gasket and smeared it flat with my finger. Hasn't leaked a bit since, so haven't felt the need for a more permanent solution.

            There's no oil pressure there, so anything that will plug up the hole will work if that's the culprit.
            Try your hardest to be the kind of person your dog thinks you are.

            You can live to be 100, as long as you give up everything that would make you want to live to be 100!

            Current bikes:
            '06 Suzuki DR650
            *'82 XJ1100 with the 1179 kit. "Mad Maxim"
            '82 XJ1100 Completely stock fixer-upper
            '82 XJ1100 Bagger fixer-upper
            '82 XJ1100 Motor/frame and lots of boxes of parts
            '82 XJ1100 Parts bike
            '81 XS1100 Special
            '81 YZ250
            '80 XS850 Special
            '80 XR100
            *Crashed/Totalled, still own

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            • #21
              I don't see any oil on the cylinder fins or anywhere on the engine except the bottom, so it's with great hope that the stripped bolt and excessive oil was the culprit.
              1979 XS1100F
              2H9 Mod, Truck-Lite LED Headlight, TECHNA-FIT S/S Brake Lines, Rear Air Shocks, TKAT Fork Brace, Dyna DC-I Coils, TC Fuse Block, Barnett HD Clutch Springs, Superbike Handlebars, V-Star 650 ACCT, NGK Irridium Plugs, OEM Exhaust. CNC-Cut 2nd Gear Dogs; Ported/Milled Head; Modded Airbox: 8x8 Wix Panel Filter; #137.5 Main Jet, Viper Yellow Paint, Michelin Pilot Activ F/R, Interstate AGM Battery, 14MM MC, Maier Fairing, Cree LED Fog Lights.

              Comment

              • #22
                nobody mentioned leaking float pins and/or petcocks
                is that a possibility?
                Nick

                1979 XS11 F,Yamaha fairings w/hard bags, TC's fuse box, K&N air filter

                1982 Virago 750 (it's alive!)

                1979 XS 11 F, Windjammer IV, Samsonite luggage cases(another rescue)

                Comment

                • #23
                  ^Umm, Hmm????
                  1979 XS1100F
                  2H9 Mod, Truck-Lite LED Headlight, TECHNA-FIT S/S Brake Lines, Rear Air Shocks, TKAT Fork Brace, Dyna DC-I Coils, TC Fuse Block, Barnett HD Clutch Springs, Superbike Handlebars, V-Star 650 ACCT, NGK Irridium Plugs, OEM Exhaust. CNC-Cut 2nd Gear Dogs; Ported/Milled Head; Modded Airbox: 8x8 Wix Panel Filter; #137.5 Main Jet, Viper Yellow Paint, Michelin Pilot Activ F/R, Interstate AGM Battery, 14MM MC, Maier Fairing, Cree LED Fog Lights.

                  Comment

                  • #24
                    Are you checking the oil with the bike level, not on the side stand?
                    Greg

                    Everybody is a genius. But if you judge a fish by its ability to climb a tree, it will live its whole life believing that it is stupid.”

                    ― Albert Einstein

                    80 SG Ol' Okie;79 engine & carbs w/pods, 45 pilots, 140 mains, Custom Mac 4 into 2 exhaust, ACCT,XS850 final drive,110/90/19 front tire,TKat fork brace, XS750 140 MPH speedometer, Vetter IV fairing, aftermarket hard bags and trunk, LG high back seat, XJ rear shocks.

                    The list changes.

                    Comment

                    • #25
                      Yeah. It musta been a fluke of some sort. All is well for now . . .
                      1979 XS1100F
                      2H9 Mod, Truck-Lite LED Headlight, TECHNA-FIT S/S Brake Lines, Rear Air Shocks, TKAT Fork Brace, Dyna DC-I Coils, TC Fuse Block, Barnett HD Clutch Springs, Superbike Handlebars, V-Star 650 ACCT, NGK Irridium Plugs, OEM Exhaust. CNC-Cut 2nd Gear Dogs; Ported/Milled Head; Modded Airbox: 8x8 Wix Panel Filter; #137.5 Main Jet, Viper Yellow Paint, Michelin Pilot Activ F/R, Interstate AGM Battery, 14MM MC, Maier Fairing, Cree LED Fog Lights.

                      Comment

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