Join Date: Jun 2009
Location: Oak Harbor, WA, USA
Re: Dont ever search the word OIL...
I am sure that you will get some LT wrencher chiming in soon, but my 2 cents is get an adapter for your compression gauge and check your compression first, then do a leak down test, put some oil in the cylinders and check compression again, if it comes up, then probably rings, a usual source of oil in the cylinders, but I know on vertical motors you can also get oil leaking around the valve seals into the cylinders, so it would be a top end job. Anyway you look at it the most logical next step to me would be the compression test...The other thing you might think about is to strip the tupperware and completely clean the motor, with gunk and a high pressure hose or spray nozzle, then ride the bike some and check for oil leak sources. As another thought, given that you are only replacing plugs once a year because of fouling, you might consider using a different oil. I used to manage a marine repair facility, and there are a couple of big refinerys nearby, we had some oil guys come and give an afternoon seminar to our mechanics on different applications for different types of oil. Without getting too deep, as oil threads can do, their take on older engines/diesel engines that had a tendancy to leak oil,(Detroit diesels a huge leaker) they said that the single weight (30W) oils had a much larger molecule than the multi weight oils, therefore required a bigger hole to leak from, end result being less oil leakage with single weight oil...
2000 K1200LT "a great ride"
2002 GL1800 powerful, but boring..(gone)
1979 XS1100 (gone)
1986 VT500 Ascot (gone)
1972 Honda 500-4 (gone)
1961 Lambretta (way gone)
1962 Allstate Compact (gone but not forgotten)
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