Mazda RX-8 Workshop Manual page 859

Front Oil Seal Installation Note
1. Apply engine oil to the lip of a new front oil seal.
2. Tap the front oil seal in using the SST and a hammer.
Pressing distance for the front oil seal (from edge of front cover)
1.5—2.5 mm {0.06—0.09 in}
Pulley Lockbolt Installation Note
1. Temporarily tighten the pulley lockbolt.
NOTE:
Press in the pulley component by temporarily tightening the pulley lock bolt,
and press the part on the eccentric shaft to the normal position.
2. Remove the pulley lockbolt.
3. Measure the position shown in the figure.
If not within the specification, perform overhaul servicing.