4-70
Engine Servicing
(1) BOLT (2) REED VALVE STOPPER
(1) CRANKCASE BOLTS
(1) DOWEL PINS
(1) CRANKSHAFT
(2) BALANCER SHAFT
(1) INNER ROTOR (2) OUTER ROTOR
(1) BOLT
(2) OIL PUMP COVER
Remove the bolt and reed valve/reed valve stopper.
Loosen the crankcase bolts in a crisscross pattern in
2 - 3 steps, then remove the bolts.
Place the left crankcase facing down, remove the
right crankcase from the left crankcase.
Remove the dowel pins.
Remove the crankshaft and balancer shaft from the
left crankcase.
Remove the scavenge pump inner and outer rotor
from the oil pump shaft.
Remove the bolt and oil pump cover.
(1)
(1)
(2)
(1)
(2)
(1)
(1)
(2)
(2)
(1)
Summary of Contents for NSF250R 2012
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