It would almost seem to me that there might have been some old oil 'gunk' obstructing the oil pressure switch. The seafoam probably dissolved this gunk and allowed the little 'ball' in the business end in the switch to move freely again. An old timers trick to cleaning oil gallies and lifters in cars was to pour in a quart of transmission fluid, and run it for a few days before an oil change. It has a high detergent content, and will clean and free up stuck lifters after a while. Hmmm... I wonder what that would do in a bike...
Seafoam?
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I once had a vacuum modulator that was so badly ruptured, that my leaking engine was making oil. I couldn't figure it out until the dipstick finally turned red! The top end of that engine was very clean indeed!
I have also added kerosene to my oil before changing it. It disolves gunk as well as anything.Marty (in Mississippi)
XS1100SG
XS650SK
XS650SH
XS650G
XS6502F
XS650EComment
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if anybody has real trouble getting seafoam i can help i work in a auto parts store and sell a lot of it have cases on the shelfJoe Bjordahl
“speed don't kill it’s the sudden stops”
Yamaha xs1100 are addictive
1979 XS1100S
1981 XS1100 MIDNIGHT
1982 XS1100S DONER BIKEComment
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I've been using Seafoam for a few years now. But what sold me on it was a salesman at O'Reilly's. He put a piece of charcoal in a can then poured Seafoam over it. Dissovled to pure liquid in a matter of minutes. This stuff is a real carbon eater.Comment
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trans oil in crank case
would'nt tranny fluid play heck with our clutches? anti friction ?1982 XJ 1100
going strong after 60,000 miles
The new and not yet improved TRIXY
now in the stable. 1982 xj11, 18,000milesComment
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