When I bought my nsr, the seller said he'd just had the shock rebuilt and charged with nitrogen recently. He told me that if you are able to press down the metal bit on the end of the cannister then it needs rebuilding and/or recharging. I am unfortumately able to press it down sp this leads me to reason the nitrogen has gone back in to the atmosphere.

Should I just recharge it or have it rebuilt so it hopefully retains the gas fpr more than a few years?

Or get an Ohlins which is what I whould do if someone wanted to sell me one...
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MC21 Honda NSR250. TYGA 300 conversion.