Generac Power Systems TXP - Manual (Page 68)

VALVE GUIDES
Valve Guides (Part No. 49271) are
replaceable, providing the follow­
ing tools are available:
1. Valve Guide Plug Gauge
2. Reamer
3. Reamer Guide Bushing
Sources for these tools will be
furnished on request.
If the flat end of the Valve Guide
Plug Gauge can be installed into
the Part No. 49271 valve guide
more than 5/16 inch, the guide is
worn and should be replaced. Use a
Reamer and Reamer Guide Bushing to
ream out the worn Valve guide. Lu­
bricate Reamer with kerosene. Ream
1/16 inch deeper than valve guide
bushing 49271 - DO NOT REAM THROUGH
THE GUIDE. Use a brass driver and
press valve guide bushing 49271 in­
to place until top of bushing is
flush with top of valve guide. The
bushing requires no further reaming
and a standard valve can be used.
Issued 3-78 . 8.5