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Twins Technical Talk Technical Talk for Hinckley Triumph Twins: Bonneville, T100, Speedmaster, America, Thruxton, and Scrambler

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Old 09-06-2007   #1 (permalink)
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Location: Hudson, Ohio - USA
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Seeping oil - sounds like voodoo - but it may help

When I purchased my first Oilhead BMW (R1100RS) in 1995, I had already planned to do the routine maintenance on it just as I had my other older Beemers. The first time I adjusted the valves, and changed oil, I noticed oil seeping from around the valve covers on both sides after I replaced them, and a slight blow-by at the oil filter cap.

I asked the mechanic what I could have done wrong. His response ".... did you wipe the mating surfaces dry of any oil....?". Apparently, the synthetic gasket material wouldn't seat tightly if there was an existing film of oil between the gasket and the metal valve cover and head. I'm thinking to myself "... yeah, right ....". However, I took things apart, wiped them down, reassembled them, and .... no oil seeping.

Now, as a matter of course, I always wipe oil from the T100's cam cover gasket and the mating surface on the head, and have yet to have an oil leak.

I realize this sounds like voodoo, but I've seen it work on the BMW, and have to assume it has helped on the T100.

Bob
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2003 T100 (790cc) Lucifer Org and Silv: 122/42 jets, TORs, 17T, UNI filter, no AI, Polaris bellmouth, Metzeler ME880 tires, Progressive 440 shocks (105/150 springs),11-1126 fork springs, gaiters, MotoTwin low bars, 6024 lamp, htd grips, 12v outlet.
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Old 09-06-2007   #2 (permalink)
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Good tip - voodoo or not; it's what works that is the aim.
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