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13 Evo 250 muffler O rings…..


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Took muffler off during my inspection on the new to me bike and the o rings were hard broken junk. I’m trying to wrap my head around how the new ones will go on.

Do they go on the Ti header first, then slide the muffler on, hoping they go into their prospective grooves? 
Seems optimistic at best…..

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5 hours ago, Skidmark said:

How do they not roll out of their groove when sliding assy together?




The recess in the groove prevents that. They sit proud enough for the o-rings to act as seals yet sit deep enough to not be pushed into the silencer by the header pipe advancing inwards.

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