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Piston ring gap location

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Old Jun 4, 2025 | 08:06 PM
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Default Piston ring gap location

I’m upgrading my 2006 sportster 883 Custom to a 1200 I got my cylinders boared out and got Harley part 22698-01 for the pistons and I can’t find what positions the gaps go on all the rings
 
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Old Jun 4, 2025 | 10:05 PM
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I suppose the gaps should be staggered, unless the pistons have........
 
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Old Jun 5, 2025 | 12:19 AM
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Per Hammer Performance......



https://hammerperf.com/ttinstallkit.shtml

The link below has the S&S instructions.

https://www.sscycle.com/products/120...inch-std-bore/

The service manual has all the info you need as well.
 

Last edited by OCSpringer; Jun 5, 2025 at 01:44 AM.
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Old Jun 5, 2025 | 03:43 AM
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All explained in the FSM.

See Figure 3-108. Position rings so end gaps of adjacent
rings are a minimum of 90° apart. Ring gaps are not to be
within 10° of the thrust face centerline.


 
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