Hi, ok the carb could just do with resetting of mixture & tickover screws, first there should be a slotted mixture screw head just visible in the carb body near the inlet stub (to cylinder head) screw this inwards all the way then back out 1 1/2 turns. On the other side of carb nearer the top is a spring loaded screw, this is the tickover speed adjuster so be ready with a screwdriver & start up the engine, if engine falters/dies screw adjuster clockwise until engine picks up to a steady tickover, you can then go back to the mixture screw for finer tuning by turning screw in or out. hope that helps.
Chris P.Duck
March 2011
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