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Deleted Member 4613
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No, a dremel is useless. Only use a hone. I used a brake cylinder
hone from O'Riellys. It's perfect for the job.
hone from O'Riellys. It's perfect for the job.
If it is done correctly, a press fit will hold. Ever wonder why the bearings on the crank don't walk out? They are a true inference fit. Heating will do nothing to get them out. They need pressed in, and beat or properly pressed out. What happens a lot of time is the bearings go, and the outer race is still stuck, because of the interference fit. If you can tap or pop out the bearings, they aren't correctly interference fit.There's maybe one more point about press fitting
which I don't have the answer to. The heat
generated from the motor may or may not
loosen the press fit. I don't know.
I want to learn more about that! Do you have a link?No, a dremel is useless. Only use a hone. I used a brake cylinder
hone from O'Riellys. It's perfect for the job.
This is the tool you need.I want to learn more about that! Do you have a link?
If it is done correctly, it will not. Why do you think the bearings in our cases stay where they are? There's a lot of heat going into them, and they stay right there, and have to be beaten, or properly pressed out. There are no clips or anything but a pressed fit holding them in a CG. If they walked, the crank would destroy them in short order.Heat from the clutch shoes and centrifugal forces will loosen the press fit
It will not come out with a proper interference fit. The crank is applying a totally unequal force on the bearings. Try to pop those out. You can't without beating them, unless you bought garbage.While your making a good interference fit for the bearing, just make it at the end of the boar
Now you accomplished a slight ledge for the bearing to rest on.
Centrifugal forces force the drum outward While the clutch shoes force the drum to spin slightly untrue.
This centrifugal outward force and untrue effect along with the shoes generating heat causing thermal expansion of the boar will loosen the (interference) press fit of the bearings. Then the bearing distorts the ID of the boar, becoming even worse.
All of this don't happen the first time ya ride your bike it slowly develops over time and the clutch gets sloppier and sloppier
When there is a ledge machined in the boar for the bearing to rest on this ledge is what keeps the bearing square in the boar
The boar can't walk on the bearings, it's impossible