Route 138 Eastbound

rt138DATA & SPECIFICATIONS RT-138 Issue 1, Page 11 13 Cylinder oils of excessively hh BN for the fuel sulphur can lead to excessive piston crown deposit accumulation. Piston crown deposits need to be carefully monitored@RT138. Share Page. Download & Share QR Code. Share on Social. Share on . Share via Telegram. Share on . Share on LinkedIn. Share