How many cycles are used before the extended off period in the starter limits?

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Starter limits are all about preventing overheating of the starting motor. Each time you crank the engine, the starter draws high current and heats up. The rules specify how many back-to-back cranking cycles you can do before you must wait a longer cooling period—the extended off period. In this case, you’re allowed two cycles before that extended off period is required. So you can crank once, stop, crank a second time, and only after those two cycles must you observe the extended off period to let the starter cool. Doing only one cycle would still be within the regular limits, but the extended cooling step doesn’t kick in until after two cycles; starting a third time without the extended off period would risk overheating.