Right Crankcase
Start by loosening the dirt and grime with a dremel tool.
Try to remove any gasket cement.
Try to remove any gasket cement.
Then give it a good clean in some hot soapy water.
Starting to look a little better already.
Starting to look a little better already.
Next remove the spring clip, not on the gearbox side, that holds the bearing in place.
There are two holes in the spring clip, pinch them together and it should slide free.
There are two holes in the spring clip, pinch them together and it should slide free.
Next, flip the case over and remove the oil seal fro the crank assembly bearing.
Next, using a lot of WD 40 and a large socket, drift the bearing inwards towards the gearbox to remove it.
To remove the next two bearing you will need a inner (blind) bearing puller.
Simply slide the nearest fitting screw into the center of the bearing, tighten it so it's snug against the bearing, then slide the hammer upwards fast to pull the bearing out.
Below is a picture of the screw from the other side,
Simply slide the nearest fitting screw into the center of the bearing, tighten it so it's snug against the bearing, then slide the hammer upwards fast to pull the bearing out.
Below is a picture of the screw from the other side,
This was a really tight bearing. I put the right crank case in a bowel of hot water again.
This still wasn't enough to free the bearing.
This still wasn't enough to free the bearing.
So eventually I got one of the screws, slid it through the larger bearing on the gearbox side of the crank case, tightened it enough that it would not slide through the center of the smaller outer bearing and used a hammer to drife out the smaller bearing.
Next remove the spring clip that is between both bearings.
Then drift the larger bearing out toward the gearbox side using a large socket.