Baja WD250U Service Manual page 173

Piston pin
1) Inspection
• If the color is changed, or indent is found,
replace piston pin, then inspect to
Lubrication system.
2) Measurement:
• Outer diameter (a) (piston pin)
Out of specification, replace it
Outer diameter (piston pin): 15.991~16.00mm
(0.6296~0.6299 in)
3) Measurement:
• Inner diameter (b) of piston pin
Out of specification, replace it
Inner Diameter of piston pin hole
16.002~16.013mm(0.63~0.6304in)
4) Measurement:
• Clearance between piston pin and piston pin
hole
Clearance between piston pin and piston pin
hole= (b) - (a)
Inner diameter of piston pin hole (b)
Outer diameter of piston pin (a)
Clearance between piston pin and piston pin
hole
0.002~0.022mm(0.0001~0.0009in)
Limit 0.07mm(0.003 in)
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