TWICHY STEERING
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6th Gear
Joined: Jul 2006
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TWICHY STEERING
Please help???
As a new owner of a FLHTi 06 I find that above 70MPH that the steering becomes light & twichy.
I have just parted company with an un-fair softail which used to feel well planted at all speeds.
Dont know wether its the Bat Wing Fairing or a standard tyre fault.
Any help in this would be greatfully recieved.
BR
As a new owner of a FLHTi 06 I find that above 70MPH that the steering becomes light & twichy.
I have just parted company with an un-fair softail which used to feel well planted at all speeds.
Dont know wether its the Bat Wing Fairing or a standard tyre fault.
Any help in this would be greatfully recieved.
BR
Outstanding HDF Member
Joined: Jan 2006
Posts: 3,116
Likes: 1
From: Northern VA, Madison GA
RE: TWICHY STEERING
I was on the phone talking with the "true-track" people, (site sponsor) and he mentioned that if after installing the true track I need to take a higher speed run to see if I had handle bar wobble. True track has nothing to do with the handle bar wobble, they were just mentioning it cause they were aware of this addition Harley Davidson unique feature as well. 
They have a fix for that as well. It has to do with moving more weight to the rear tire. Would be worth calling and talking to them. HD will say it's normal, or no problem found.
They have a fix for that as well. It has to do with moving more weight to the rear tire. Would be worth calling and talking to them. HD will say it's normal, or no problem found.
Road Captain
Joined: Apr 2005
Posts: 693
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From: Boiling Springs, SC
RE: TWICHY STEERING
Check your tire pressure and shock pressure. Too much pressure in the rear shocks will cause this as will a bad tire. I have ridden Electraglides for over 120,000 over the last 9 years. I have found this to be the case. I had a mismatched set of tires (Metzler on rear and Dunlop on front) and had that problem. I have also seen it with too much air in the rear shocks and tire pressure being off. I normally cruise on the interstate at 80 with out issue. I also had a tire out of balance one time that created some handling issues.
Cruiser
Joined: Jul 2006
Posts: 135
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RE: TWICHY STEERING
Yes what Luke said. Although I am waiting to pick up my '07 Ultra (my first Harley in 24 years) some things are the same no matter what you ride. If you lower rear shock preload more weight will be carried on the rear and less on the front. Increasing rear shock preload within reason will slow down the steering response because more weight is carried there. Check to see both rear shocks are set the same. Check tire pressure.
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6th Gear
Joined: Jul 2006
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RE: TWICHY STEERING
Thanks for your replies.All good advice and will take on board.
Luke may have hit it on the head,I picked up a puncture last week in the rear which ruined the tyre.Now running with a Avon Venom on the rear with an origanal HD Dunlop on the front.( before anyone asks i was in the middle of North Wales this was the only tyre they could supply ).But today we've been to a charity bash in Yorkshire where a 1000 or so bikes mainly Hogs rode across the Humber Bridge ( one of the largest suspention bridges in the world ) for cancer awarness and noteiced that at around 25-30 mph that the bars were shakeing slightly so front may need to be balanced.May be its a bit of both???.
As i've only had the bike for 2-3 weeks i'll put it back to the dealer to check it out.before using an independent bike shop who i know will be able to sort it out.
Luke may have hit it on the head,I picked up a puncture last week in the rear which ruined the tyre.Now running with a Avon Venom on the rear with an origanal HD Dunlop on the front.( before anyone asks i was in the middle of North Wales this was the only tyre they could supply ).But today we've been to a charity bash in Yorkshire where a 1000 or so bikes mainly Hogs rode across the Humber Bridge ( one of the largest suspention bridges in the world ) for cancer awarness and noteiced that at around 25-30 mph that the bars were shakeing slightly so front may need to be balanced.May be its a bit of both???.
As i've only had the bike for 2-3 weeks i'll put it back to the dealer to check it out.before using an independent bike shop who i know will be able to sort it out.
Road Master
Joined: Feb 2005
Posts: 978
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From:
RE: TWICHY STEERING
Just came off a 5K mile trip and pumped the tires up a bit (to 40 and 40) and noticed a lot more twitch! Dropped them to 36 F and 38 R and dropped shocks to 10# and it all smoothed out!
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6th Gear
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Road Master
Joined: Mar 2006
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From: Arizona
RE: TWICHY STEERING
The air pressure in the front tire should be around 36psi, and 40 for the rear. 10lbs in the shocks are fine with passenger and saddlebags filled. With tour-pak, the shocks should be around 15lbs. More if you take more stuff.
ORIGINAL: nmfxstc
Just came off a 5K mile trip and pumped the tires up a bit (to 40 and 40) and noticed a lot more twitch! Dropped them to 36 F and 38 R and dropped shocks to 10# and it all smoothed out!
Just came off a 5K mile trip and pumped the tires up a bit (to 40 and 40) and noticed a lot more twitch! Dropped them to 36 F and 38 R and dropped shocks to 10# and it all smoothed out!
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