Question about 2006 Malaguti F15 Firefox Mechatronic

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While stopped when i rev the engine the speedo jumps alkl over

0-40-98 etc...

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It sounds like you might have an electric/cordless speedo, what could cause it to jump while at a stand still when you rev the engine could be a bad connection in the instrument cluster where the voltage from your tachometer is affecting your speedometer. Try to see if any of the speedo or tacho wires are cracked, burned, melted, or just simply not grounded. Like I always say, badly grounded wires can create unmentioned problems.

Posted on Apr 17, 2014

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