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techtalk:evo:engmech07a [2019/11/07 00:03] hippysmack [Making 91-03 Breather Bolt Holes Smaller] |
techtalk:evo:engmech07a [2019/11/07 00:06] hippysmack [Making 91-03 Breather Bolt Holes Smaller] |
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| It's not known at this time why as the thread are not used on OEM Sportsters. \\ | It's not known at this time why as the thread are not used on OEM Sportsters. \\ | ||
| - | Below and for lack of having fine thread 5/16" bolts, course thread SS (5/16"x18) bolts were re-threaded to 5/16"x24. This works find and re-threads easily. \\ | + | Below and for lack of having fine thread 5/16" bolts, course thread SS (5/16"x18) bolts were re-threaded to 5/16"x24. This works fine and re-threads easily. \\ |
| But it's easier to go and buy the correct bolts. \\ | But it's easier to go and buy the correct bolts. \\ | ||
| The holding block was needed to keep the bolt straight while boring a hole through it. \\ | The holding block was needed to keep the bolt straight while boring a hole through it. \\ | ||
| - | You could use a block of wood, plastic or steel. The hole was .2720" and tapped 5/16"x24. \\ | + | You could use a block of wood, plastic or steel. The hole was drilled .2720" and tapped 5/16"x24. \\ |
| Each bolt was screwed into the hole, corner to corner lines drawn across the head to find center and the center punched to keep the bit from wandering. \\ | Each bolt was screwed into the hole, corner to corner lines drawn across the head to find center and the center punched to keep the bit from wandering. \\ | ||
