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NOK ASV-II & ASV-III

  1. Remove air suction valves II and III from engine. Separate inlet case from outlet case by removing screws. Remove reed valve assembly and gasket. Check inlet case, outlet case, reed valve assembly and gasket for cracks or other damage.
  2. After washing reed valve assembly in gasoline, check for waves, cracks or dents in reed valve seat, cracked or broken point of reed valve and rusty stopper. Replace components as necessary. Assemble in reverse order of disassembly. See Fig 1 .
Fig 1: Sectional and Exploded Views of NOK Air Suction Valve II & III
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