The following rules have been updated for the IAME Bambino engine package.

Spark Plug:
Only NGK – BR9EG or BR10EG can be used with the OEM washer is place. If a cylinder head temperature sensor is utilized, the OEM washer may be removed. Commonly used, stock, cylinder head temperature sensors may be used for comparison.

Muffler:
Must use OEM muffler. Excessive leakage in any part of the exhaust system is illegal and competitor could be disqualified. Exhaust Gas Temperature sensors are illegal.