Bike pulling left...., please help...
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Intermediate
Joined: Apr 2008
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RE: Bike pulling left...., please help...
ORIGINAL: swordy
put your wallet in your right rear pocket?????????
put your wallet in your right rear pocket?????????
Maybe if I put my medium sizedtorque wrench along with the wallet it'll help...
The torquewrenchcould turnuseful in other situations also... hmm...
Cruiser
Joined: Sep 2007
Posts: 157
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RE: Bike pulling left...., please help...
I noticed my 01 sportster was doing the same thing after I bought it used. The front end would also bottom out on bad roads so I changed the fork oil. I found that there wasn't enough oil (in at least the right fork...didn't measure the left and wish I had). Looked like two diffirent oils had been used (Dark in the left and red in the right). I don't know what had happened before I got the bike. With fresh fork oil (screaming eagle racing fork oil) and the correct amount the bike rides true now.
Novice
Joined: Apr 2008
Posts: 15
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RE: Bike pulling left...., please help...
well i dont know a thing about belt drive , if it was chain drive i would say one side is too tight , but.... You can always get the hose out , wet a spot in the road , and roll your bike thru it , and check the tire marks , to see how its tracking.
Tourer
Joined: Mar 2008
Posts: 457
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RE: Bike pulling left...., please help...
This is an interesting question.
If I loosen my grip on the bars, I notice a tendency that the bike wants to go to the left. It isn't a real bother to me since one should have their hands on the bars anyway. My thought on the going left is the primary drive being on the left side, along with the belt being on the left side causes a torque steer.
This is also noticable in front wheel drive cars that have different length output shafts from the transmission. This is most noticable under hard acceleration. My cage is an Acura and the right side output shaft is the longer of the two. It has a tendency to pull to right when you get on it. This is considered normal in an automobile. Tracks true under "normal" driving conditions.
This maybe a possibility. Others can chime in if this happens on their scoot or if they track true.
$.02
Gart
If I loosen my grip on the bars, I notice a tendency that the bike wants to go to the left. It isn't a real bother to me since one should have their hands on the bars anyway. My thought on the going left is the primary drive being on the left side, along with the belt being on the left side causes a torque steer.
This is also noticable in front wheel drive cars that have different length output shafts from the transmission. This is most noticable under hard acceleration. My cage is an Acura and the right side output shaft is the longer of the two. It has a tendency to pull to right when you get on it. This is considered normal in an automobile. Tracks true under "normal" driving conditions.
This maybe a possibility. Others can chime in if this happens on their scoot or if they track true.
$.02
Gart
Road Master
Joined: Jul 2006
Posts: 887
Likes: 1
From: New Orleans
RE: Bike pulling left...., please help...
Have had this problem on my EVO Sportster and found the rear tire slightly missaligned. If you have an adjustment try that. If not, perhaps the frame is not just right.
Check also to see if the rear wheel center aligns with the front wheel center. You need a jig for this, but the dealer has the jig.
Check also to see if the rear wheel center aligns with the front wheel center. You need a jig for this, but the dealer has the jig.
Road Warrior
Joined: Dec 2007
Posts: 1,731
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From: Olympia. WA
RE: Bike pulling left...., please help...
If this only happens at 60+ MPH then it sounds like a simple alignment problem. As someone else said, you will need a jig to check it or bring it by a reputable shop and have them check it. I make the assumption that all maintenance is up to snuff (tires, tire pressure, wheels balanced, axles, bearings, steering head, forks etc. all in good shape).
I don't think I would jump to the conclusion that it is the frame. Most frame builders use a jig themselves while welding the frame up for this very reason.
Good luck. Just my .02
RE: Bike pulling left...., please help...
I notice that you are running a custom frame with left-hand drive and what appears to be a very wide rear tire. Is the tire centered in the swingarm? Normally, anything over 200mm requires right-hand drive so that the motor doesn't have to be shifted right in the frame (which would cause it to pull left). For example, check the wide tire chops at Big BearChoppersor even the factory Vegas Jackpot on the Victory site.
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