The 'cutting-the-pipe' mod for the r125, has been around since the bike came out - i'd be inclined to believe that r125 riders who have done this have only seen a gain if they have a vivid imagination.
best left alone, if you want a sensible opinion.
That pipe only makes the co2 run cleaner iv just blocked it up and put a leovince exhaust system on it runs fine no problems
air pipe mod for yzf r125
in Naked
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That pipe only makes the co2 run cleaner iv just blocked it up and put a leovince exhaust system on it runs fine no problems