Franklin Service Bulletins

Number of pages: 4Part Number: Service Bulletin No. 23Revision Date: 12-June-1943Description: Including: Spark Plug Inserts, Magnafluxing, Recommended Changes in Spark Advance, Valve Mechanism, Valve Spring Tension

Number of pages: 2Part Number: Service Bulletin No. 4Revision Date: 18-Mar-1940