Motorcycle Questions? Ask a Mechanic.
My name is ***** ***** I am a professional here at Just Answer. I noticed that your question was not getting a response and thought I would see if you still need help with this.I apologize for the delay and I hope I can still assist you with this here.
My info is limited on your model here but I see no one else has responded and thought I would see if I can help here.
I would check and make sure there isn't a restriction with the exhaust system itself.If there is a restriction with the exhaust system this can cause this type of fault here in some cases as well and the restriction will need repaired to correct this fault.If no restriction is found this may be blow by past the piston rings due to ring failure or possibly piston or cylinder wall failure causing this needing repaired or the engine replaced.In some cases you can use a bore scope to look into each cylinder to inspect the cylinder walls as well as pistons for any damage then go from there for repair.Other then this the engine may need taken apart and inspected for repair.
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