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Louie
Louie, Technician
Category: Motorcycle
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Experience:  25+ yrs. experience
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Ktm 4 strokes pouring oil through the exhaust pipe, why

Customer Question

ktm 4 strokes pouring oil through the exhaust pipe, why
Submitted: 1 year ago.
Category: Motorcycle
Expert:  Louie replied 1 year ago.

Hi and welcome to JustAnswer,

Thank you for the question and your patience. Should you still need assistance for information purposes only...

Initially, the described symptom almost always point possibly to:

  • • exhaust valves, valve seals (most likely); and/or
  • • piston, ring & cylinder issues (likely);
  • • and/or in some instances, the Nikasil coating itself of the cylinder wall (least likely).

The only way to check is a top-end dis-assembly for visual inspection.