Baja WD250U Service Manual page 168

Limit value "A" of
distribution cam
Intake 36.437mm
cam (1.435 in)
Exhaust 36.482mm
cam (1.436 in)
8. Valve rocker and rocker shaft
1) Check
• Rocker hole
• Contacting surface with distribution cam
If ever worn, replace it
2) Check
• Rocker shaft surface
Replace or check lubrication if there are dents,
scratches, or discoloration
3) Measure
• Measure inner diameter of valve rocker hole
Replace it if unqualified
Inner diameter of rocker hole:12.000~12.018mm
(0.4724~0.4731 in)
• Measure the outer diameter (b) of rocker
shaft
Replace it if unqualified
Outer diameter of rocker
11.985~11.991mm (0.4718~0.4721 in)
167
Limit value"B"
of distribution cam
30.031mm
(1.182 in)
30.152mm
(1.187 in)