Hello and greetings from New Zealand.
I am wanting to fit a key activated ignition switch on to my B&S 10.5hp rear engine rider. The current systems is just a push button kill switch and a manually operated solenoid for the starting. As I have grand kids running around the yard on a regular basis I don't consider the current system to be safe. Can some one please explain what I would need to do to fit a key switch and key activated starting system. Thanks in advance for your help. Regards Ray.:)

Go To Your Nearest Snapper Dealer And Purchase A 2 Post Keyed Switch. Have Them Draw Out The Diagram For Wiring. As I Have No Way Of Drawing It Out For You.
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Thanks, Mowerman2468