02-09-2014, 01:26 PM
Gunk degreaser was recommended to me but a friends dad, its what he uses when restoring his motorbikes. Available from halfords and online. That and a steam clean should clean it up. Never been brave enough to steam clean mine but i would like to.
![[Image: sig002_zpscb892e18.jpg]](http://i205.photobucket.com/albums/bb46/Silent_Rider-TP/car/sig002_zpscb892e18.jpg)