My mz52 won't crank when hot

[????]

The schematic shows a timer. What is it and where is it.

 

[sgkent]

I'd read the owner's manual. Probably the Hobbs meter.

 

[bertsmobile1]

Without checking, the most common place for a timer on a ZTR is on the seat switch so it does not chop the engine off every time you go over a bump