January 26, 20187 yr Author The Restrictions are the carb rubbers to the head! Thumpertalk 3 hrs of reduced effect! The second stage inlet. Hole must be 10mm if that: https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.de%2Fulk%2Fitm%2F312053941652 The first stage looks like it isnt fully open either https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.de%2Fulk%2Fitm%2F152788604323 Edited February 2, 20187 yr by Simon46 No info on part nos
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