821 vs 939 spark plug change interval

Relax · Feb 22, 2020

As far as I can tell, both models use the same spark plugs, so why does the maintenance guide specifically call out the 821 needing to be changed twice as often (every 15k vs 30k)?

https://assets.ctfassets.net/oifkva...af6379d60a1ea8e0f84/TM_-_Hypermotard_-_EN.pdf

elephantwithtrexarms · Feb 22, 2020

Most likely because the 821 was built first. I'd guess both motors are fine with a 30k change, but Ducati wasn't aware they could last that long in the testastretta 11° until they had extensive service records.

821 vs 939 spark plug change interval

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Relax

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