2-Stroke Repack (Steel Wool + Fiberglass Insulation)
Jun 2, 2012 | 04:29 PM
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From: Gardner ☮ Boston ~ MA
2-Stroke Repack (Steel Wool + Fiberglass Insulation)
Slowly making my way through all parts/assembly's on my newly purchased LT250R...took apart my FMF silencer. Must have been shot for YEARS, the inside was completely cooked and crispy/hard/flaky:
The inner tube was clogged, a wire brush only worked if I smashed it directly down into the holes but I eventually got it all clean:
I was in a pinch to use what I had laying around so with some research fine steel wool and fiberglass insulation seemed like the best DIY materials I had on hand. I unraveled "finishing" steel wool pads into strips and wound them tightly around the inner tube then tied it down with pieces of welding wire instead of masking tape or tip ties:
I then used home fiberglass insulation, tightly wrapped of course. More welding wire securing the outer fiberglass layer as well (instead of holding both materials with one layer of wire ties on the outside of the insulation):
Almost done, sealed both sides with some Permatex "black" maximum oil resistance gasket maker. The layers might not be 100% evenly dense on all sides but this seems pretty damn good for what I had laying around, I tested it too and it DEFF made a difference; it has a nice deep sound to it now (just don't stand behind the exhaust for a few runs as to not breath in fiberglass):
The inner tube was clogged, a wire brush only worked if I smashed it directly down into the holes but I eventually got it all clean:
I was in a pinch to use what I had laying around so with some research fine steel wool and fiberglass insulation seemed like the best DIY materials I had on hand. I unraveled "finishing" steel wool pads into strips and wound them tightly around the inner tube then tied it down with pieces of welding wire instead of masking tape or tip ties:
I then used home fiberglass insulation, tightly wrapped of course. More welding wire securing the outer fiberglass layer as well (instead of holding both materials with one layer of wire ties on the outside of the insulation):
Almost done, sealed both sides with some Permatex "black" maximum oil resistance gasket maker. The layers might not be 100% evenly dense on all sides but this seems pretty damn good for what I had laying around, I tested it too and it DEFF made a difference; it has a nice deep sound to it now (just don't stand behind the exhaust for a few runs as to not breath in fiberglass):
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