Filter
Top Products
8-18 ENGINE BOTTOM END
Crankshaft and Connecting Rods
Crankshaft Removal
•
Split the crankcase (see Crankcase Splitting).
•
Remove:
Camshaft Chain [A]
Oil Pump Sprocket Chain [B]
•
Remove the crankshaft [C] with the oil seal [D].
Crankshaft Installation
CAUTION
If the crankshaft, bearing inserts, or crankcase
halves are replaced with new ones, select the bear-
ing inserts and check clearance with a plastigage
before assembling engine to be sure the correct
bearing inserts are installed.
•
Fit the crankshaft main bearing inserts on the upper [A]
and lower [B] crankcase halves.
#1, 5 Bearing Inserts (no Groove, same)
#2, 4 Bearing Inserts (Groove, same)
#3 Bearing Insert (no Groove)
NOTE
○
Be sure the bearing inserts are seated in the saddles,
and the tangs in the bearing inserts are aligned with the
notches in the saddles.
•
Apply molybdenum disulfide oil solution to the crankshaft
main bearing inserts.
•
Fit the thrust washers [A] to both sides of the upper
crankcase #3 main bearing [B].
○
Install the thrust washer so that the oil grooves [C] face
outward.