Yanmar BY Series Service Manual page 127

Cylinder Block and Crankshaft
12/05
Figure 5-122
Figure 5-122
Note: Back the center screw out of the tool
before attaching to seal.
4. Thread in special tool OEM No. 11 1 210 until it
has firmly grasped the seal housing.
5. Turn center screw in to remove seal.
6. Wipe the sealing surface in the cover clean.
Figure 5-1234BY2 Engines
Figure 5-123
BY Service Manual
7. Install seal protector tool OEM No. 11 7 400
(4BY2) or 11 6 470 (6BY2) on end of
crankshaft. Lubricate surface of tool with clean
engine oil.
8. Slip seal over seal protector until it contacts
case cover. Remove seal protector. NOTICE:
NEVER touch the sealing lip of the new seal
with your fingers.
© 2009 Yanmar Marine International
Figure 5-1246BY2 Engines
Figure 5-124
ENGINE
5-65