thank butt,as it gose my fan has stoped working it my first time owning a trials bike and dnt know much about them, by combustion chamber, do you mean the O ring inside the cap on top of the cylinder?
my oil is turning milky on my trials bike, evan when i drain the oil and put fresh oil in and kick it, it gose back milky straight away, can anyone help me and tell me wot could be the problem plz.
