Valves And Valve Guides Check - Husqvarna TE 125 Workshop Manual

VALVEs ANd VALVE GUIdEs CHECk

• Valve guide position
Part. N. 8000 H4704 (07-2010)
ENGINE OVERHAUL
25
26
27
• The following procedure is applied to all the valves and valve
guides.
1. measure:
• Valve stem - valve guides clearance
Not conforming to specifications
Valve stem - valve guides clearance = Inside diameter of valve
guide "a" - Valve stem diameter "b" (see fig. 25)
• (Intake) valve stem-valve guide clearance
0.010-0.037 mm (0.0004-0.0015 in)
• Limit
0.080 mm (0.0032 in)
• (Exhaust) valve stem-valve guide clearance
0.025-0.052 mm (0.0010-0.0020 in)
• Limit
0.100 mm (0.0039 in)
2. Replace:
• Valve guides
• To facilitate removal and installation of the valve guide and
to maintain the correct coupling, heat the cylinder head in an
oven at 100°C (212 °F).
a. Remove the valve guide with a suitable puller "1". (see fig
26)
b. Install the new valve guide with a valve guide installation
tool "2" and a valve guide puller "1". (see fig. 27)
• (Intake) valve guide position
17.0-17.4 mm (0.669-0.685 in)
• (Exhaust) valve guide position
14.0-14.4 mm (0.551-0.567 in)
F1.17
Replace valve guide.