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techtalk:evo:engmech04b [2019/01/28 23:55] hippysmack [Check the valve oiler hole in the rocker arm] |
techtalk:evo:engmech04b [2019/05/05 01:35] hippysmack [Stabilizing Noisy Rocker Arm Shafts] |
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| **Note**: The bushing reamer (94804-57) has right hand blades. Always turn it to the right (clockwise) when installing, reaming or removing it from the bushings. \\ | **Note**: The bushing reamer (94804-57) has right hand blades. Always turn it to the right (clockwise) when installing, reaming or removing it from the bushings. \\ | ||
| - | I would suggest to mic the bushings closely and several times to be sure you need to before replacing them. ((Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?t=2072192)) \\ | + | A helpful suggestion is to mic the bushings closely and several times to be sure you need to before replacing them. ((Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?t=2072192)) \\ |
| If the rocker arm pads or the pushrod cups are worn badly, it'd probably be best to just replace the arms instead. \\ | If the rocker arm pads or the pushrod cups are worn badly, it'd probably be best to just replace the arms instead. \\ | ||
| New rocker arms come with the bushings installed and sized. \\ | New rocker arms come with the bushings installed and sized. \\ | ||
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| As for the ticking / tapping noise mentioned above, some people rather like the noise and others don't. \\ | As for the ticking / tapping noise mentioned above, some people rather like the noise and others don't. \\ | ||
| - | It's important to note that no engine needs these. ((DK Custom of the XLFORUM http://xlforum.net/forums/showthread.php?t=1935736&page=5)) \\ | + | You can inspect the shafts during operation to see if this is happening to your shafts. \\ |
| - | There is nothing detrimental to the engine when it is ticking because of the rocker shafts banging into the bolts. \\ | + | Remove the top (and middle if applicable) rocker box cover. |
| - | The only reason they would be "needed" is if the ticking bothers the owner of the bike. | + | Clean the area around the shaft ends and lower rocker box on one side of the cylinder. \\ |
| + | Draw a straight line with a marker across the shaft end and onto the rocker box. \\ | ||
| + | Start the engine and watch the area of the line between the shaft and rocker box. \\ | ||
| + | If the shaft is turning, you'll see back and forth movement of the straight line on the shaft. \\ | ||
| + | | Checking rocker arm shaft movement ((photo by billyj7175 of the XLFORUM)) | | ||
| + | |{{:techtalk:evo:engmech:rocker_box_by_billyj7175_annotated_by_hippysmack.jpg?direct&300|}}| | ||
| At this [[http://www.dkcustomproducts.com/rocker-lockers-for-harley-davidson-twin-cam-motors-dk-rl-tc.htm|LINK]] there are two videos. \\ | At this [[http://www.dkcustomproducts.com/rocker-lockers-for-harley-davidson-twin-cam-motors-dk-rl-tc.htm|LINK]] there are two videos. \\ | ||
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| Aftermarket rocker bolt spacers are made to close the gap between the bolts and the shafts. \\ | Aftermarket rocker bolt spacers are made to close the gap between the bolts and the shafts. \\ | ||
| + | It's important to note that no engine needs these. ((DK Custom of the XLFORUM http://xlforum.net/forums/showthread.php?t=1935736&page=5)) \\ | ||
| + | There is nothing detrimental to the engine when it is ticking because of the rocker shafts banging into the bolts. \\ | ||
| + | The only reason they would be "needed" is if the ticking bothers the owner of the bike. | ||
| + | |||
| Two bushings, or spacers, are used for each rocker box. \\ | Two bushings, or spacers, are used for each rocker box. \\ | ||
| They are installed into the rocker box to head mounting holes on the pushrod side next to the rocker arms. \\ | They are installed into the rocker box to head mounting holes on the pushrod side next to the rocker arms. \\ | ||
