If collet is not correctly installed on valve stem, it will unseat and be thrown with force
when the spring compressor is released. The thrown collet could cause serious personal
The intake and exhaust valve stem seals are the same.
Install intake and exhaust valves (8
and 9) and parts (10 through 13) on
cylinder head (2).
Install valve stem seals (13).
Coat valve stems with clean gear
lubricating oil GO 80/90 and install
intake valve (8) and exhaust
valve (9) in their designated
Install springs (10) and spring
retainers (12) over intake and
exhaust valve stems (8 and 9).
Using a valve spring compressor,
compress springs (10) and install
new collets (11).
Slowly release valve spring
compressor and remove it from