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after top end refresh
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  1. Mach Z / Mach 1 / Formula III Triples
    Put in new pistons, rings and top end gasket set and the sled starts up fine but wants to bog at idle and mid range and sometimes dies when advancing the throttle from idle. Starts right back up with choke. If I hold the throttle at mid range it will run then bog down from lack of fuel. At...
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