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Worn out throw out bearing

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M

mxp01

Jedi Warrior
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Gentlemen:

While on vacation this summer I loaned my car to a friend. When I returned to the island the car wouldn't shift gears. The friend hasn't fessed up to anything - but I really wonder if he knew how to drive a stick. A few months ago I did a rebuild on the M/C and slave, thinking I might've had air in the lines. After bleeding the slave I still couldn't get enough pressure on the clutch fork - even with the slave push rod all the way out. Today I took out the engine and found that the throw out bearing was completely worn down.

Now, I had the clutch replaced when I had the 1275 installed in April. The throw out bearing was replaced at that time.

Any thoughts as to what might be wrong?

Mike Pennell
 
scoutll

scoutll

Jedi Knight
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The carbon release bearing has a reputation for wearing very quickly if used improperly, ie riding the pedel, or holding the clutch in while stopped, but 8 months is a little ridiculous. maybe is was a bad bearing in the first place.
 
S

spritenut

Luke Skywalker
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Many replacement carbon bearings are junk. And yes no carbon on the bearing will make it hard to shift.
Are you sure the pushrod is the correct length? 2-11/16" from center of hole to end for a 1275.
Also, each engine has it's own bearing, 948s, 1098s, and 1275s all use a different bearing. The bearing arm from a 1098 tranny will be different from that of a 1275 ribcase, all these factors have to be correct or the bearing will stay riding on the plate and wear out in no time.
But I have had a new bearing loose it's carbon out of the holder in a day or so. lousy glue I guess so no more asian made bearings for me.
 
jlaird

jlaird

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However, I used the same carbon throw out bearing for 20 years.
 
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