Here is the complete list of the parts I used, in order, from valve to carburetor coupler.

Parts List: (All parts NPT (National Pipe Thread))

• ⅛” air Valve
• ¼” to ⅛” Reducer
• ¼” Male to Male Connector
• ¼” One-way valve – Special Order
• ¼” Male to Male Connector
• ¼” Tee
• ¼” Pressure Gauge
• ¼” Male to Male Connector
• ¼ to ⅜” Reducer
• ⅜” Male to Male connector
• ⅜” to ½” Reducer
• ½” Male to Male Connector
• ½” Female to Male Elbow
• 1-1/4” x ½” PVC Bushing
• Electrical Tape

Related: Honda has a storied history and it’s no wonder why they make great bikes!

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If you have any questions about building your leak down tester, please let me know.