January 19Jan 19 I have a 2012 ST290. I looked in the service manual, and there is a reference for removing and re-packing the silencer packing fibers on the newer models However, on the 2012 model, I am not sure this can be done. It is of a different design than what is shown in the manual. On my bike, there IS a philips screw in the correct location that would indicate it is possible, but when I remove that screw, nothing comes apart. Does anyone know if the silencer tube can be removed for cleaning or repacking on the 2012 model?
January 22Jan 22 On mine I cut a window, repacked and closed it back up with an aluminum sheet metal cover with a rubber gasket and rivets.
January 23Jan 23 Author On 1/21/2026 at 9:06 PM, sectionone said: On mine I cut a window, repacked and closed it back up with an aluminum sheet metal cover with a rubber gasket and rivets. Not exactly the solution I was hoping for. But yeah, I guess they are not too serviceable.
January 26Jan 26 Pretty sure that after the first 2 year Bultaco models the muffler wasn't serviceable until after the rear tankers
January 26Jan 26 On 1/22/2026 at 3:06 AM, sectionone said: On mine I cut a window, repacked and closed it back up with an aluminum sheet metal cover with a rubber gasket and rivets. Did exactly the same on my mid 2000s shercos. I know guys who cut it completely in half down the seam, repacked it and then took it to a local engineering shop who welded it back together.
January 31Jan 31 My method of a window on both sides is easy to repack again by removing the rivets but this guy details his welding method.
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