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techtalk:ref:engmech02c [2018/08/31 02:08] hippysmack created |
techtalk:ref:engmech02c [2019/11/14 06:49] hippysmack [Ring Gap Orientation] |
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====== REF: Engine Mechanicals - Sub-02C ====== | ====== REF: Engine Mechanicals - Sub-02C ====== | ||
====== Ring Gap Orientation ====== | ====== Ring Gap Orientation ====== | ||
+ | Ring Gap Positions during Installation: | ||
+ | Exact ring gap orientation should be with the documentation that comes with a new set of rings. \\ | ||
+ | The FSM's say to space the gaps an equidistant around piston. That leaves a lot of variance. \\ | ||
+ | The rings will rotate during operation so they will not stay exactly where you put them. \\ | ||
+ | This initial procedure for placing the ring gaps will help keep down blow-by during initial start-up while the engine breaks in the rings. \\ | ||
+ | Orientation of the ring gaps is a debatable subject. \\ | ||
+ | However the one thing most agree upon is the adjacent rings should not be spaced near each other. | ||
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+ | |These are widely practiced ring gap locations during installation ((drawing by Hippysmack, gap locations by mikethebike61 of the XLFORUM http://xlforum.net/forums/showthread.php?t=1572784&page=2))|These gap positions are in the 2004 FSM via a drawing. ((04 Sportster FSM pg 3-56))((drawing by Hippysmack)). \\ However, specific rings notations are not (as they are below)| | ||
+ | |{{:techtalk:ref:engmech:ring_gap_positions_by_hippysmack.jpg?direct&400|}}|{{:techtalk:ref:engmech:ring_gap_positions_per_the_fsm_by_hippysmack.jpg?direct&400|}}| | ||
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