Figure 5-49. Crankcase Cross-Section
Ball bearing (5) on the flywheel side has been press fitted onto the crankshaft.
If ball bearing (5) is bad, then remove bearing with a mechanical puller.
Check crankshaft for wearing or scoring surface. Replace crankshaft if excessive
Install new ball bearings (5) by press fitting onto crankshaft.
Grease the oil seal lips.
Apply lubricating oil to the crankshaft bearing insert and crankpin.
wear is evident.
Crankshaft must be carefully Installed Into crankcase to avoid damaging
the crankcase oil seal.
Insert the crankshaft using the crankshaft to crankcase oil seat fitting guide.
Make sure crankshaft has been inserted as far as it will go by tapping on crankshaft with rubber mallet.
Figure 5-50. Installing the Bearing Holder
Install the bearing holder.