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techtalk:evo:engmech03a [2019/08/04 14:32] hippysmack [Using Double Nuts / Jam Nuts] |
techtalk:evo:engmech03a [2019/12/10 02:32] hippysmack |
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====== Cylinder / Head Bolt Issues and Repair ====== | ====== Cylinder / Head Bolt Issues and Repair ====== | ||
===== Sub Documents ===== | ===== Sub Documents ===== | ||
- | See also [[techtalk:evo:engmech03b|Time-Sert Repair on Engine Case Cylinder / Head Stud Hole]] in the Sportsterpedia for cylinder / head stud repair. | + | See also in the Sportsterpedia: |
- | + | * [[techtalk:evo:engmech03b|Time-Sert Repair on Engine Case Cylinder / Head Stud Hole]] | |
+ | * [[techtalk:ref:genmsr36#warped_or_damaged_thread_repair|Warped or Damaged Thread Repair]] | ||
===== Loose Head Bolt Studs ===== | ===== Loose Head Bolt Studs ===== | ||
A big concern about the studs becoming loose is the threads being stripped in the case. \\ | A big concern about the studs becoming loose is the threads being stripped in the case. \\ | ||
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With the bolts loosening, it is at least suspect that the threads or the hole strength is compromised. ((Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?t=2074117&page=2)) \\ | With the bolts loosening, it is at least suspect that the threads or the hole strength is compromised. ((Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?t=2074117&page=2)) \\ | ||
- | | Weakest head stud holes in the case. ((photo by Hippysmack)) | | + | | Weakest head stud holes in the case. ((photo by Hippysmack)) | Head bolt pulled out of the case. ((photo by Blue Scoot of the XLFORUM http://xlforum.net/forums/showthread.php?p=5793625)) | |
- | |{{:techtalk:evo:engmech:weakest_cylinder_bolt_threads_by_hippysmack.jpg?direct&300|}}| | + | |{{:techtalk:evo:engmech:weakest_cylinder_bolt_threads_by_hippysmack.jpg?direct&300|}}|{{:techtalk:evo:engmech:head_bolt_pulled_out_by_blue_scoot.jpg?direct&300|}}| |
There is a procedure in the manual for tightening the studs before installing the cylinders and heads. \\ | There is a procedure in the manual for tightening the studs before installing the cylinders and heads. \\ |