November 25, 20223 yr That’s not a decompression lever, it’s your cold start enrichment (Choke). It’s just cable actuated rather than a knob on the carb itself. Myself I prefer a Dellorto over a Keihin due to the easy tuning. I can jet a Dellorto to have perfectly smooth state with almost no 4stroking at any time, but the aggressive kiddos want a abrupt “Brapp” when they are facing big steps, so Keihin for them. That’s a pretty small Dellorto you have there, never heard of anyone running a 21 mm carb on a trials bike. Surely a 300 needs more carb. Edited November 25, 20223 yr by htrdoug
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