HESD Damper Not working? - 600RR.net
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post #1 of 3 (permalink) Old 04-10-2019, 12:07 PM Thread Starter
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HESD Damper Not working?

Hey all
recently rebuilt my crashed 2009 600rr and the bike is fully functional but the HESD doesnt seem to be working at all...the steering gets speed wobbles a lot (which never happend before crash)

Since I am rebuilding, I currently have NO cluster/spedometer attached and no harness or headlights. Is this possibly the reason the electric damper is not working? any advice?

Thank you! cheers
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post #2 of 3 (permalink) Old 04-10-2019, 07:44 PM
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yes, HESD needs speed input to ECU to determine and control degree of damping.

IMHO....I wouldn't ride at all without the HESD working, these bikes are very ready to slap you......
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post #3 of 3 (permalink) Old 04-11-2019, 03:39 PM Thread Starter
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Ok nice, thank you

Yeah its honesty terrible not having the HESD...definitely almost got slapped riding a couple times

Will reconnect speedometer when new harness/headlights come in the mail
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