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I forget exact wording in manual but SO Hurricane says 87 but recommends 91 for optimal performance. I’ve been running 89. Watching a video interview of the fellow that led the Hurricane engine design; he explains the vehicle senses octane value and provides optimal spark and fuel values, it...

New member here and just bought a new 2025 Rebel two weeks ago. Mine also had 4 hours of idle time on it. On initial start in the morning, it idles about 1600 rpm’s for about a minute before starts to drop rpm’s. During that time you’ll notice slight dips/spikes in rpm but it’s not missing...