Motorbike 4T 20W-50 Street?
If this oil contains ANY molybdenum sulphide it is not suitable for the M41. The moly will make the clutches slip. Some of Liqui-Moly's oils contain moly and some don't. If it does have moly in it you will have great difficulty getting it out as it coats the internals. May have to be stripped and cleaned before rebuilding.
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