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post #1 of 5 (permalink) Old 05-06-2011, 09:31 PM Thread Starter
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Question handlebars - mysterious shift

I keep my handlebars in the standard position, everything torqued to spec.

However, after I while, I notice that my handlebars gradually drop ~ i.e. the grips are closer to the tank, and to my body. I can't physically do this while pushing down on them. They simply seem to move out of position over time.

Is this typical? I'm wondering if it's the wind pressing against my PF3 fairing at highway speeds. Or if it's just the vibration of the bike over time. I'm certainly not putting any massive pressure on the bars with my hands, other than the usual pressing down as I lean into turns.

EZC

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post #2 of 5 (permalink) Old 05-06-2011, 09:43 PM
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Quote:
Originally Posted by EasyRector View Post
I keep my handlebars in the standard position, everything torqued to spec.

However, after I while, I notice that my handlebars gradually drop ~ i.e. the grips are closer to the tank, and to my body. I can't physically do this while pushing down on them. They simply seem to move out of position over time.

Is this typical? I'm wondering if it's the wind pressing against my PF3 fairing at highway speeds. Or if it's just the vibration of the bike over time. I'm certainly not putting any massive pressure on the bars with my hands, other than the usual pressing down as I lean into turns.
The standard bars have fluted bands that are supposed to help hold them. So I would guess something is loose? Try cleaning them and re-tightening them down.

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post #3 of 5 (permalink) Old 05-06-2011, 11:20 PM
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I could see where the wind beating on the fairing would do that, I dont have one and mine has not moved. I would think the wind would almost have an effect of an impact wrench over time!

1986 vn 750 aka "Huck Farley"
42,000 miles
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pickup coil mod
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acct to mcct mod https://www.vn750.com/forum/showthread.php?t=17917

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post #4 of 5 (permalink) Old 05-07-2011, 12:33 AM
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Bar clamp is either loose or the handlebars are stripped.

1986 Black Kawasaki Vulcan VN750 "Black KAWK"
VN750 #9300 & VROC #33453

EMGO Handlebar, V&H Exhaust, Drop Shocks, Raised/Painted Fork, MeanStreak Seat, Tank Bib, ME880 Oversize Tires, Engine Guard, Custom Mirrors, Chris Products Turn Signals, Ear Shave, 150/42 Jets, PINGEL Fuel Valve, MCCT, Volt Meter, Shendegen R/R, AGM Battery, Coastered, .020 Coils, Relo Gauges & Headlamp, SilverStar Ultra, LED Flashing Brake Light, Center Stand Delete, WOLO Airhorn.
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post #5 of 5 (permalink) Old 05-15-2011, 03:42 PM
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you might try disassembling the handlebar clamps and putting some loctite BLUE (NOT RED) where the clamps tighten down on the bars. I can't imagine anything shifting with that stuff on. And the thing can be disassembled with the blue loctite on it. With the red, you'd need an jackhammer.
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