Valve Spring / Valve Seat / Cylinder Head Specifications - Toro LC1P65FC Service Manual

Valve Spring Free Length Specification
Standard
1.2007" (30.5 mm)
NOTE: If this measurement is out of specification, complete engine
replacement is required. The only internal parts available for this engine are gaskets and seals.
Valve Seat Width Inspection
Remove carbon deposits from the combustion chamber. Inspect the valve
seats for pitting or other damage.
Valve Seat Width Specification:
Standard
0.0314" (0.8 mm)
Cylinder Head Warp Inspection
- Remove carbon deposits from the combustion chamber.
- Clean off any gasket material from the cylinder head surface.
- Check the spark plug hole and valve areas for cracks.
- Check the cylinder head for warpage with a straight edge
and a feeler gauge as shown.
Service Limit
NOTE: If this measurement is out of specification, complete engine replacement is required.
The only internal parts available for this engine are gaskets and seals.
Service Limit
1.1417" (29.0 mm)
Service Limit
0.0787" (2.0 mm)
0.00393" (0.10 mm)
FEELER GAUGE
24
STRAIGHT EDGE