Baja WD250U Service Manual page 215

6. Mount:
• Cylinder (1)
• Tighten bolt (cylinder ) temporarily
CAUTION:
• When pressing the piston ring with one
hand, assemble the cylinder with the other.
• The timing chain should through the
1
bending locking end (2) of chain chamber.
7. Lubricate:
• Valve rocker
• Rocker shaft
• Lubrication oil : SAE 10W30
machine oil
8. Install:
• Valve rocker
• Rocker shaft
CAUTION:
• Thread hole on the rocker shaft is toward
out
• Mount rocker shaft (With O-ring), at
the side of outlet and the long rocker shaft
(with slot) at the side of inlet.
• The slot direction needs to be adjusted
when mounting inlet rocker shaft to make
the slot align with hole of cylinder cover
bolt
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