I would think your pilot will need to be in the 22.5 to 25 range but you getting it . Backfiring coasting is a lean symptom along with a bad coasting enrichment diaphragm . Main jets seem way, way small , does it rev cleanly and feel like it has power all the way ?
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'86 XT600/3TB motor,,, '88 XT600, ,,'92 XT600e,,, '08 Husky TE510,,, '05 DRZ463,,, '95 KLX650 ,,,'96 KLX650
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