It makes good practical sense to renew this item as a matter of safety when giving this two-stroke engine a makeover - and of course if boring up from standard to first oversize, (+0.25) essential!
The more parts that are renewed in the engine the more reliable the outcome, and the time saved by not trying to salvage the unsalvageable can be best spent on other areas of machine maintenance - or down the Pub!
A related item you may wish to consider:
13102147000
Renewing this item will save time and provide a more reliable outcome! Are there any other parts that may be better being renewed than reused in your engine. Rare item - don't miss out!