shock piston bands- split ring vs compression

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6/27/2018 2:01 PM

Thinking down the road to the next shock service. I have RT , and as I recall the shock piston band is split ring. Curious if anyone has replaced the split ring band with a compression band?

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6/27/2018 4:46 PM

Split ring all the way, especially if you are servicing yourself.

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vomiting equals disqualification.

6/28/2018 6:42 AM

BR8ES wrote:

Split ring all the way, especially if you are servicing yourself.

no concerns of a split ring coming apart in use?

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6/28/2018 6:58 AM

Not for me, never had one come apart.

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vomiting equals disqualification.

6/28/2018 7:04 AM

I did a compression ring my first service recently and it was easier than expected. Slower than split for sure. I heated band in hot water and froze piston.

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6/28/2018 7:52 AM

Yep, can do that too.

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vomiting equals disqualification.

6/28/2018 8:46 AM
Edited Date/Time: 6/28/2018 12:20 PM

Jrewing wrote:

I did a compression ring my first service recently and it was easier than expected. Slower than split for sure. I heated band ...more

do you use a "bullet" tool for installation, or just by hand?

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6/28/2018 8:49 AM

If I was running a newer shock Id be less concern, but I have a 90's bike with old shock, I dont know the specs until its opened up.

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6/29/2018 1:18 AM

Jrewing wrote:

I did a compression ring my first service recently and it was easier than expected. Slower than split for sure. I heated band ...more

Mx746 wrote:

do you use a "bullet" tool for installation, or just by hand?

No but will get one as I plan on doing more.

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6/29/2018 3:14 AM

I bought some 46 mm bullet tools from Zip Ty Racing.

On the piston band, flip some electrical tape backwards and wrap the hell out of the full band. Let it stay for a while. It will help to shrink it back down to size since sliding it on can expand it just a hair.

A stock piston band might not fit an RT piston. Check on that before you get too far into it.

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6/29/2018 7:54 AM

Is this a 46mm or 50mm piston band? You can still go to Honda and purchase the early showa oval piston bands and o rings. I'm not sure if the height of the band is correct for the rt piston. Honestly, I'd just get it from rt

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Livin' the dream, two wheels at a time!

6/29/2018 10:03 AM
Edited Date/Time: 6/29/2018 10:03 AM

m21racing wrote:

Is this a 46mm or 50mm piston band? You can still go to Honda and purchase the early showa oval piston bands and o rings. I'm ...more

Gotcha, Ill check on compatibility prior to trying a swap. Thanks for the tips gents!

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6/30/2018 4:28 AM

m21racing wrote:

Is this a 46mm or 50mm piston band? You can still go to Honda and purchase the early showa oval piston bands and o rings. I'm ...more

He said '90's bike earlier, so 46 mm.

I'd just get another piston band and o-ring from them. Paul Thede has been selling those split piston bands since at least 1993, so that is 25 years for some people to complain and them figure out it is a danger.

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6/30/2018 8:22 AM

I've seen several older shocks that looked good to the eye but wouldn't hold an RT split piston band for long. Use a bore gauge to check the bottom, middle and top of the body. I had 2 mid 80's RM's and an 84 YZ that were spitting out the piston bands and were between .0045"-.008" out

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6/30/2018 3:41 PM

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