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| Twins Technical Talk Technical Talk for Hinckley Triumph Twins: Bonneville, T100, Speedmaster, America, Thruxton, and Scrambler |
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09-27-2007
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#1 (permalink)
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Senior Member
SuperSport Favorite Bike: Triumph Bonuxton
Join Date: Jul 2007
Location: Atlanta
Posts: 1,015 Other Motorcycle: N/A Extra Motorcycle: N/A
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Slide
Sometimes I feel like the back end is slipping out from under me, does anyone else have that problem going into corners?
I have 950 miles on her, stock eveything except for pipes basically.
Generally the backroads I take to work are poorly paved, twisty and uneven.
I know we don't have a fat back tire like the HD guys but this is a big distraction when I ride - is it my air pressure - tire looks good to me.
Maybe up grade the shocks?
Maybe it's my inexperience...yeah come to think of it...
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Scored as a rocker!
75% rocker - 50% mod
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09-27-2007
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#2 (permalink)
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Member
Grand Prix 125 Favorite Bike: R1200ST BMW
Join Date: Jul 2007
Location: Sandersville, GA
Posts: 36 Other Motorcycle: Golden Jubilee Bonneville
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Drew,
I'm not sure I understand your question about back end slipping out from under you? If you're entry is a little too hot and your using a lot of front brake, you might be unloading the rear tire. This could cause the rear end to lose some traction w/ the road surface. You might try braking sooner in your approach to the corner, balanced front and rear (actually less rear than front) braking, and see if that helps.
I'd look at up grading your suspension, tho as a possible way to remedy the problem.
Hope this is helpful,
Len
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09-27-2007
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#3 (permalink)
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Senior Member
Formula Extreme Favorite Bike: 2006 Thruxton "Zoe"
Join Date: May 2007
Location: Idaho
Posts: 475
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Are you down shifting coming into the corner?
Are you shifting coming out of the corner?
Rear Brake, Front Brake, Both?
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2006 Thruxton - Zoe Yellowbike
125 main jets, 42 pilots, 1 shims, 2 turns, HARK (homemade airbox removal kit) EMGO Reverse Cones, 17T sprocket. 4700 Feet Above Sea Level
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09-27-2007
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#4 (permalink)
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Senior Member
Team Owner
Join Date: Jun 2005
Location: Stuart Fl
Posts: 3,246
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slip
Try sitting back further on the seat? Mine sticks like glue!! Even w/ almost bald tire.
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CAPT D
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09-27-2007
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#5 (permalink)
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Senior Member
250 Grand Prix Favorite Bike: 2002 Triumph Bonneville
Join Date: Aug 2007
Location: San Jose, CA
Posts: 109
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Throttle Position?
Hi Drew -
I do experience that a bit at times. I would reckon that the road surface could be a factor. When you experience this, are you on throttle? Off throttle? I'm told that - if nothing else - the throttle needs to be at least slightly cracked so that the bike weight will transfer to the rear tire (the one with more tread on the ground).
[I defer to Twist of the Wrist II for a more technical explanation of that concept]
Hope this helps.
TBD
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"...it's a Gin and Gin...it's like a Gin and Tonic, only you use Gin instead of Tonic..." --Dr. Caroline Todd, East Hampton Hospital Trust--
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09-27-2007
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#6 (permalink)
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Member
Super Sidecars
Join Date: Apr 2006
Location: Quinte West, Ontario
Posts: 63
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I got my Bonnie used from a fellow that foolishly applied Armour-All to both tires including the tire tread. I'm guessing that this isn't your problem. If you want to feel a rear tire slide - liberal application of Armour-All will do the trick.
Steve
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09-27-2007
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#7 (permalink)
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Senior Member
Formula Extreme
Join Date: Oct 2006
Posts: 413
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remember to brake before you start leaning - assuming you're braking into these corners. if you are on your brakes as you lean into the corner you can easily lose traction, and the rear is usually the first to go. Also remember not to shift in a corner.
It's most likely that - ride 15 or 20 thousand miles and you'll get there.
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09-27-2007
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#8 (permalink)
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Senior Member
SuperSport Favorite Bike: Triumph Bonuxton
Join Date: Jul 2007
Location: Atlanta
Posts: 1,015 Other Motorcycle: N/A Extra Motorcycle: N/A
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Quote:
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if you are on your brakes as you lean into the corner you can easily lose traction, and the rear is usually the first to go. Also remember not to shift in a corner.
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That's it - that's what I'm doing.
Man...I need someone experienced to ride with. Dang it all.
__________________
Scored as a rocker!
75% rocker - 50% mod
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09-27-2007
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#9 (permalink)
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Senior Member
Powerbike
Join Date: Apr 2004
Location: Wellsboro, PA
Posts: 304
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You do need to check tire air pressure at least every other week. I find that over two weeks my tires will drop 3-4 psi. This makes the rear end feel squirrely.
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Hard work may pay off some day, but laziness always pays off right now.
Bill
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09-27-2007
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#10 (permalink)
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Senior Member
Powerbike Favorite Bike: 2007 bonnie black
Join Date: Jun 2007
Location: Gilbert, AZ USA
Posts: 364
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Drew, did you take the MSF course, sounds like you did not, you need too, its good and teachs you these things. I took it, since this was my first bike.
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