Yamaha DT200L 1984-1988 Service Manual page 74

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ENG
INSPECTION AND REPAIR
4.
Install:
• Piston Pin
(Into the piston pin hole).
5.
Check:
• Free play (when the piston pin is in place
in the piston)
There should be no noticeable for the
play.
Free play exists^ Replace piston pin
and/or piston.
6.
Inspect:
• Piston pin and bearing
Signs of heat discoloration-> Replace.
Autolube Pump
Wear or an internal malfunction may cause pump
output to vary from the factory setting. This situa-
tion is, however, extremely rare. If improper out-
put is suspected, inspect the following:
1 Inspect:
• Delivery line
Obstructions-" Blow out.
• Pump body seal/Crankcase cover seal
Wear/ Damage-- Replace
• Check ball/Spring
Miss/ lmproper-» Repair
2.
Inspect:
• Allowing air
Air exists^Air bleed.
3.
Check:
• Pump output
Out of specification-»Adjust.
3-22

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