tach problem

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07-11-2009, 02:36 AM

dtg4257

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Join Date: Feb 2009

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tach problem

my tach revs to 3500 rpm, no matter what speed i ride at. i can go through the gears fine. just tops at 3500 rpms. Any ideas on how to fix this would be greatly appericated. bike is a 1987 zl 600 eliminator.

07-11-2009, 03:55 PM

Dragone#19

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First thought is to check for vacuum leaks then clean and synchronize the carbs. Good luck

07-12-2009, 01:34 PM

dtg4257

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Join Date: Feb 2009

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my bad, the tach is electrically driven.

07-12-2009, 02:29 PM

KevyzToy

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Check for a shorted out wire. I had it happen on my ZRX. Start at the tach and trace the wiring back. A wire may have been pinched or rubbed against the frame.