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| Twins Technical Talk Technical Talk for Hinckley Triumph Twins: Bonneville, T100, Speedmaster, America, Thruxton, and Scrambler |
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04-30-2008
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#1 (permalink)
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New Member
Production 125 Favorite Bike: 2005 Bonneville T-100
Join Date: Feb 2008
Location: North Vancouver
Posts: 10
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Back wheel spins while on Centre stand
Hello Everyone. My back wheel spins while my T-100 is on the centre stand. It's not is gear, don't worry! If I stop it with my foot - it stops, but will start spinning again when I remove my foot. I wonder, is my clutch slipping? I don't feel it slipping while I ride, or while stopped with the clutch in. Any insight would be great, thanks. Also, I've never adjusted my clutch, just the play on the lever. cpF
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04-30-2008
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#2 (permalink)
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Senior Member
Site Supporter Retired Legend Favorite Bike: 904cc Bonnie w/magwheels
Join Date: Mar 2006
Location: Austin, Texas
Posts: 9,281
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it's normal.
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04-30-2008
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#3 (permalink)
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Senior Member
Moto Grand Prix Favorite Bike: '06 T100
Join Date: Jul 2006
Location: Republic of Texas
Posts: 2,525
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Quote:
Originally Posted by NorthVancpF
I wonder, is my clutch slipping?
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No... if you can stop the tire from spinning easily, you're fine.
__________________
Phil (road dog)
Click on the Image for Larger Picture
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04-30-2008
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#4 (permalink)
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Senior Member
Formula Extreme
Join Date: Jun 2004
Location: A-Town, MidCal
Posts: 864
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It's perfectly normal... I don't know the technical explanation, but they all do it.
__________________
Cheers y'all, Cyn-
Experience is a cruel instructor...
First you take the test,
then you learn the lesson!
Members Album
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04-30-2008
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#5 (permalink)
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New Member
Production 125 Favorite Bike: 2005 Bonneville T-100
Join Date: Feb 2008
Location: North Vancouver
Posts: 10
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See that's why you guys are awesome!
Thanks for the answer. I've never had a bike with a centre stand and just don't know how things should work. Awesome. cpF
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04-30-2008
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#6 (permalink)
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Senior Member
SuperStock Favorite Bike: Triumph Thruxton
Join Date: Nov 2007
Location: Lemoore Kalifornia
Posts: 229 Other Motorcycle: Kawasaki ZRX1200R
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I think the reason why the wheel will turn is because the clutch plates are so close together and they are submerged in motor oil and there is some drag as one part of the clutch spins and the other does not. I don't think dry clutch Ducatis do the same thing.
__________________
vanson1200r:2007 Thruxton Red with white stripe. AI, Emgo's, 125's, Shim's, Polaris Bellmouth, K&N.
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04-30-2008
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#7 (permalink)
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Senior Member
Team Owner Favorite Bike: 2003 T100
Join Date: May 2005
Location: Hudson, Ohio - USA
Posts: 3,766 Other Motorcycle: 1991 BMW R100GS Extra Motorcycle: No more at present time
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You will notice that once the bike is warmed up, and the oil thins out, the wheel won't tend to turn as fast, or at all, when on the center stand in neutral. Same reason the bike clunks the first time you put it in gear when it's cold.
Bob
__________________
2003 T100 (790cc) Lucifer Org and Silv: 122/42 jets, TORs, 17T, UNI filter, no AI, Polaris bellmouth, Metzeler ME880 tires, Progressive 440 shocks (105/150 springs),11-1126 fork springs, gaiters, MotoTwin low bars, 6024 lamp, htd grips, 12v outlet.
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04-30-2008
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#8 (permalink)
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Senior Member
Formula Extreme
Join Date: Nov 2006
Location: South Park Pa
Posts: 610
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Quote:
Originally Posted by ohiorider
You will notice that once the bike is warmed up, and the oil thins out, the wheel won't tend to turn as fast, or at all, when on the center stand in neutral. Same reason the bike clunks the first time you put it in gear when it's cold. Bob
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actually no.
the cold first gear cluck is (clutch disengaged) plate friction and thick oil, (old kick start you had to do a kick with the clutch disengaged to break the plates loose)
but the rear wheel spin (clutch engaged in neutral) is there's some friction between the shafts and gear bearing surfaces and perfectly normal...it's like stirring a spoon in liquid drives the liquid crazy.
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05-01-2008
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#9 (permalink)
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Senior Member
Moto Grand Prix
Join Date: Sep 2006
Location: Baltimore, Maryland, USA
Posts: 2,712
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I like these easy questions.
Want to know which oil to use? 
__________________
Marty
2005 Bonneville Blue 790cc, AI removed, Staintunes RC, Unifilter, no snorkel, 120/40/Thrux needle/1 shim/3 turns, fly screen, tacho, D9 gauge panel, center stand, Ikon 7610s, Hagon fork springs, gaiters, Pirelli Sport Demons, 3 seats.
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05-01-2008
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#10 (permalink)
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Senior Member
Formula Extreme Favorite Bike: '71 Norton Commando
Join Date: Nov 2006
Location: Arizona
Posts: 812 Other Motorcycle: '07 Scrambler Extra Motorcycle: '71 BSA Victor B50MX
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Quote:
Originally Posted by Baltobonneville
I like these easy questions.
Want to know which oil to use? 
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Just use a frothy mixture of WD-40 and Pledge.

Cheers!
Bruce
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