Acura 3.5 RL Manual page 33

Standards and Service Limits
Engine Electrical — Section 4
*1 When using a new belt, adjust deflection or tension to new value. Run the engine for 5 minutes then turn it off. Readjust deflection or tension
to used belt value.
*2 Do not adjust the gap, replace the spark plug if it is out of service limit.
Cylinder Head/Valve Train — Section 6
*1: NIHON HATSUJO manufactured valve spring *2: CHUO HATSUJO manufactured valve spring