What to use to clean a really dirty drivetrain?
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#27
Senior Member
I would not soak metal parts in a solvent overnight. Some solvents can encourage hydrogen embrittlement if left in contact long enough. Now spraying a layer of WD40 on the parts to be cleaned to start the softening up is fine. Kerosene is a well proven solvent that won't hurt metals. After use if the Kerosene is left still the grit will settle out and good/clean kerosine can be poured off for use again. Andy
#28
Senior Member
I agree with Andy. Kerosene, or it's less smelly and cleaner evaporating cousin OMS (odorless mineral spirits), are the most effective degreasers and can be reused by letting the dirt settle and decanting the clear solvent. Kerosene is available by the gallon at many gas stations and OMS in any paint store or big box home store.
DO NOT use gasoline.
DO NOT use gasoline.