Weird throttle control on my 07 RK
Grand HDF Member
Joined: Jan 2012
Posts: 4,459
Likes: 2,900
From: Oklahoma
Still not clear to me if it is throttle by wire or cable throttle. I interpret your complaint as a sticking throttle, you try to increase or decrease throttle slightly and the twist grip won't move. You increase pressure and it breaks loose and you get too much of what you wanted. If it is throttle by wire there are only a couple of sources for this. Check lengthwise movement on the twist grip. If there is none, the switch housing is too far inboard pressing the end of the twist grip against the sensor gear and causing the bind. Loosen the bolts and move the housing outboard perhaps an eighth of an inch, you might also have to move the brake lever assembly also. If you already have lengthwise play (about 1/16 of n inch, the switch housing position is OK as is. The friction could be from either a dry handle bar area under the grip or dirt and no lube in the slot in the switch housing which retains the circular rib on the twist grip. Removing the twist grip and cleaning and lubing those areas (very thin film of grease on the handle bar) will fix things if the twist grip is the problem. While the twist grip is off, try twisting the gear on the end of the sensor in the handle bar. I use channel lock pliers and a light squeeze while rotating the gear. If you feel any stickiness there, the throttle sensor is the problem and I know of no way to fix that. Replacement is the only option, around $135 and of course, the wire color coding WON'T match the old one. If you have throttle by cable, add lubing the cables to the list, along with cleaning and lubing the carb throttle shaft. Then make sure the cables aren't too tight at the same time. If there is no slack at all, they will bind. If my initial assessment of your problem is incorrect, then disregard all of the above.
Last edited by btsom; Oct 30, 2019 at 02:45 PM.
Seasoned HDF Member
Joined: Mar 2010
Posts: 19,983
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From: Florida
Wait a minnit...'07 should have electronic cruise control, NOT friction wheel. And, it is NOT TBW; it is the last year for throttle cables, which is why I bought my '07.
You sure it's an '07?
You sure it's an '07?
Road Master
Joined: Aug 2019
Posts: 786
Likes: 177
From: wv
Does it have factory grips or aftermarket ones? Maybe its rubbing on the bars or rubbing in the grove making it harder than it should be.
Actually all my Harley bikes have a pretty light touch throttle on them IMO. When I lube the cables up then hit a hump in the road it feels like I'm going to pop a wheelie my hand moves the throttle. lol. Yesterday that happened on a ride and my wife ask me what the heck I done that for. Hit the gas like that on that rough road.
Actually all my Harley bikes have a pretty light touch throttle on them IMO. When I lube the cables up then hit a hump in the road it feels like I'm going to pop a wheelie my hand moves the throttle. lol. Yesterday that happened on a ride and my wife ask me what the heck I done that for. Hit the gas like that on that rough road.
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Joined: Oct 2019
Posts: 67
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From: Memphis, TN
Definately cables,,,,and exactly what I'm talking about when your hand jerks throttle and almost loose control...may check inside throttle for sticking, grips been replaced too with whatever....
Last edited by Take; Oct 30, 2019 at 03:32 PM.
Banned
Joined: Jul 2009
Posts: 7,406
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From: Straight Jacket Memories and Sedative Highs
It would be nice not to have to adjust cables. Fly by wire and hydraulic clutches are not new. Granted harley could fuc up an anvil.
Its an 07. Throttle cables
2008 was first year of fly by wire.
FLTR, FLHRC, and FLhTCU had cruise.
Last edited by Zerk; Oct 30, 2019 at 05:53 PM.
Banned
Joined: Jul 2009
Posts: 7,406
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From: Straight Jacket Memories and Sedative Highs
My 01 has the adjuster, and is fine with 80k miles. I don't luber as much as I should, but it does get used, Lack of use is probably the worse thing for any mechanical object.
I use dri slide on the cables, but i am sure there are other products. Spray some brake cleaner in the adjsuter or blow it out. I have never cleaned mine, but maybe yours needs it.
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