Hey all.. I want to do the east Cape loop this weekend.. To Napier then up the coast to Whakatane on a 94 mk 1 speed triple. The problem is theres only 91 octane fuel available through those parts. Last time I put 91 in this bike it melted the plugs. Preignition I suspect. Does the likes of STP octane booster actually do its job and slow the burn so I can run 91 ?
Thanks in advance
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