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1954 was the first year for electric start. 1953 and earlier never had electric start. 1953 and earlier had no provisions for electric start regarding engine castings. If you have a 1954 engine you can add electric start, but you have to change many of the original parts. I have looked into this as I have a 1953 engine. For the 1954 engine you need the flywheel, recoil start, engine hood for electric start, carburetor and carburetor linkages and solenoid assembly and starter and bracket. wiring harness and choke and start switch’s. Waise of time. Just get an electric start engine model.