A
Light oiling
This number of oil is great for oiling small, tiny parts of your horn, but also for brand new horns, as it is thinner and won't clog up your horn. As it gets older, you use the medium oil n.13 which is great for tuning valves by the way. I'm definitely buying more.
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TL
Simply the best
JM lubricants are the best; 11, used on rotors, along with 13.5 for bearings and 7 for slides.
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