KYMCO MXU 250 - Page 129

7. CYLINDER HEAD/VALVES
7-12
MXU 300/250
Measure compressed force (valve spring)
and installed length.
Replace if out of specification.
Standard:
IN : 10.20～11.84kg(at 18.05mm)
EX : 19.14～22.02kg(at 21.5mm)
Measure the spring tilt.
Replace if out of specification.
Standard: IN : 0.8mm (0.032)
EX : 1.07mm (0.0428)