Honda NSR150SP Manual page 77

NSR150SP
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Place the shop towel around the oil pump.
Let oil drip from the oil tube to expel any air that may be
in the tube, and then connect the oil tube to the pump
inlet.
Remove the oil pump shaft while holding the oil pump its
install surface facing up.
Check that the oil flows out of the outlet.
Wait until there are no air bubbles in the oil coming out
of the oil pump shaft hole then reinstall the oil pump
shaft.
NOTE
When installing the oil pump shaft use care not to allow dust or
dirt to enter the oil pump
Turn the oil pump with its installing surface on level
ground.
Remove the bleed bolt ' and refill the oil from the bleed
bolt hole until the oil flows out of the bleed bolt hole.
Check that oil flows out of the outlet.
Wait until there are no air bubbles in the oil coming out
of the oil hole, then retighten the bleed bolt.
Lubrication System
4-7
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