T BilletDUAL SPROCKET GUARD For the HONDA TRX R ER all years . This is a beautifully designed dual sprocket guard that will protect your valuable rear sprocket from any blunt force trauma..Discussions on the Honda TRX R specs, trx r prices, trx r pictures, trx r models, trxr quad and Honda ATV products.Honda TRXR Special Edition Tri Color, In Honda decided to stop producing this cc monster. There sure aren’t many left and this is a great example! Completely stock and possibly collectible, this TRX is fresh from our Award Winning Service Department with a clean bill of health..Honda claims that it designed the TRXR engine to produce more torque so that the engine was more suited for ATV purposes. In , the only interchangeable part between the ATV and motorcycle engines was the camshaft. In , Honda overhauled the TRXR engine to make it more similar to its motorcycle variant..