View Full Version : Exhaust Deposits

James 2000
05-08-2003, 08:09 AM
I have just noticed black oily deposits on the inside of my exhaust. Is this normal as there does seem to be rather alot of it ?

micah apriliaforum com
05-08-2003, 08:33 AM
Totally normal on street bikes since the pipes rarely get hot enough to clean/burn the oil out. Race bikes should have very little residue.

James 2000
05-08-2003, 08:59 AM
It is a race bike, what is the cause please ?