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| Twins Technical Talk Technical Talk for Hinckley Triumph Twins: Bonneville, T100, Speedmaster, America, Thruxton, and Scrambler. |
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11-19-2009, 12:21 PM
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#1 (permalink)
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Senior Member
Supersport 600 Favourite Bike: Triumph Bonneville -2001
Join Date: May 2009
Location: Oslo Norway
Posts: 189 Other Motorcycle: Scrambler -2006 (wrecked) Extra Motorcycle: Yamaha SR 500
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from 525 to 530 (5/8x3/8) front sprocket?
As many of you guys know im building my Scram/bobber. 
And iv decided to use a Harley, spoked rear wheel...
Harley uses the bigger 530 chain.....
something like this.....
And here is the stock Scrambler front sprocket...
Triumph Speed Triple 1050 05-07... 19 teeth
Do you guys think this gonna work???? 
They look very much alike.......
this is were i got the info http://www.wemoto.com/home/
Thanks....
__________________
"Good judgment comes from experience. Unfortunately, the experience usually comes from bad judgment."
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11-19-2009, 03:41 PM
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#2 (permalink)
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Senior Member
SuperSport Favourite Bike: 02 Bonneville
Join Date: Feb 2006
Location: norway
Posts: 960 Other Motorcycle: 05 SV650S
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Maybe easier to have the HD sprocket turned down to 525-width?
__________________
02 Bonneville - Originally green/silver , now going black. Dart fly screen.Dominator touring, ARK,AI, 145/42, stock needles, no shims.Pieman igniter. Thruxton seat, stock bars. Intiminators/Öhlins PL36 shocks, renntec rack, shortened fenders.
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11-19-2009, 04:49 PM
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#3 (permalink)
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Senior Member
Supersport 600 Favourite Bike: Triumph Bonneville -2001
Join Date: May 2009
Location: Oslo Norway
Posts: 189 Other Motorcycle: Scrambler -2006 (wrecked) Extra Motorcycle: Yamaha SR 500
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Quote:
Originally Posted by ivar
Maybe easier to have the HD sprocket turned down to 525-width?
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off course, you are so right my friend!
----->525 (7.9375mm)<-----
----->530 (9.5250mm)<-----
1.58 mm to shave of.. no problem
i did not relize that both 525 and 530 had the same cc measurement... 15,875mm
and that it was the width that differentiate them....
thanks Ivar!
__________________
"Good judgment comes from experience. Unfortunately, the experience usually comes from bad judgment."
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11-19-2009, 07:05 PM
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#4 (permalink)
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Senior Member
Team Owner Favourite Bike: 04 Bonnie black
Join Date: Dec 2004
Location: Tacoma,WA
Posts: 4,143
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Ken,almost all new Triumphs use the same output shaft. I run a 530 chain on my Bonnie and the countershaft sprocket is a stock sprocket from a 2000 Trophy.It came stock with a 530.
__________________
Ruining a perfectly good Bonnie since 2004.
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11-19-2009, 07:30 PM
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#5 (permalink)
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Senior Member
Supersport 600 Favourite Bike: Triumph Bonneville -2001
Join Date: May 2009
Location: Oslo Norway
Posts: 189 Other Motorcycle: Scrambler -2006 (wrecked) Extra Motorcycle: Yamaha SR 500
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Quote:
Originally Posted by rodburner
Ken,almost all new Triumphs use the same output shaft. I run a 530 chain on my Bonnie and the countershaft sprocket is a stock sprocket from a 2000 Trophy.It came stock with a 530.
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thanks..
found a good website, it says that almost every Triumph over 900cc have the same sprocket as the Trophy -00 ...
easier to buy a new sprocket 
__________________
"Good judgment comes from experience. Unfortunately, the experience usually comes from bad judgment."
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11-20-2009, 04:19 AM
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#6 (permalink)
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Senior Member
SuperSport Favourite Bike: Do you have to ask?
Join Date: Apr 2007
Location: Norway
Posts: 1,311 Other Motorcycle: Unfortunately not Extra Motorcycle: Would love a Speed Triple
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Kenneth
I bought 520 sprockets from http://www.supersprox.com/eshop/index.php
They're quick, and the courier-delivery bypassed Norwegian VAT 
__________________
'04 T100 Black and White (because that is the only colour-combination to wear with a dinner jacket)
AI removed, TORS, rebuilt front (valves, springs, etc), Öhlins shocks, tubeless alu rims, JMC alu swingarm, 520 conversion, Ti nuts and bolts
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11-20-2009, 05:18 AM
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#7 (permalink)
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Senior Member
SuperSport Favourite Bike: 02 Bonneville
Join Date: Feb 2006
Location: norway
Posts: 960 Other Motorcycle: 05 SV650S
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forgot 1 thing, if I'm not mistaken, most sprockets are case hardened, so machining it will cause accelereted wear...?
(BTW, why a 19t front sprocket? How many teeths is the HD rear?)
__________________
02 Bonneville - Originally green/silver , now going black. Dart fly screen.Dominator touring, ARK,AI, 145/42, stock needles, no shims.Pieman igniter. Thruxton seat, stock bars. Intiminators/Öhlins PL36 shocks, renntec rack, shortened fenders.
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11-20-2009, 05:27 AM
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#8 (permalink)
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Senior Member
Supersport 600 Favourite Bike: Triumph Bonneville -2001
Join Date: May 2009
Location: Oslo Norway
Posts: 189 Other Motorcycle: Scrambler -2006 (wrecked) Extra Motorcycle: Yamaha SR 500
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Quote:
Originally Posted by ivar
forgot 1 thing, if I'm not mistaken, most sprockets are case hardened, so machining it will cause accelereted wear...?
(BTW, why a 19t front sprocket? How many teeths is the HD rear?)
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The smallest i found so far is 46... sportster...
__________________
"Good judgment comes from experience. Unfortunately, the experience usually comes from bad judgment."
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