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| Twins Talk Discussion of Hinckley Triumph Twin related matters and topics. |
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06-17-2007
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#1 (permalink)
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Senior Member
Supersport 400
Join Date: Mar 2006
Location: Cambridge, England
Posts: 99
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1100cc Big bore.
Well what can I say, I started with Jurgen's Billet barrels last year and dimensions of Wiseco's 5mm oversize pistons for the Honda CR450, to build up my 1100cc kit. After changing direction and having Bill Gateley supply me pistons, gaskets and liners for the barrels I have finally managed to ride over 100 miles today, on what I think is only the second 1100cc Bonneville on the road!
The performance is astounding, the roll on grunt in any gear has made the whole project worth while, the engine should have been made this way when Triumph first brought the Bonneville out. I would have had one in 2001.
Excellent modification and I would recommend it to anybody!

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Speed Triple front end, Twin headlights, 17 inch mag wheels, Hotwing glass seat unit, Nark unit with KN's 1100cc torque monster, Modified Hyde footpegs Man this bike is brilliant, I can't stop riding it!!
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06-17-2007
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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: 9,168
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better update your signature!!!
Congrats, I know you've been waiting patiently.
Is that Jorgen's cylinder?
[ This message was edited by: sweatmachine on 2007-06-17 17:12 ]
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06-17-2007
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#3 (permalink)
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Senior Member
250 Grand Prix
Join Date: Nov 2005
Location: Atlanta north 'burbs
Posts: 130
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Hi Phil!
Having gobs of torque totally changes the way you ride the bike doesn't it?!! So, what's the rest of the setup, did you change carbs and cams, too?
I haven't looked for your other posts yet, but didn't you just come back from the TT?? How was that? I remember you were torn up a little over whther or not to do this barrel and piston kit before you rode it on that trip.
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Scott- ATL
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06-18-2007
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#4 (permalink)
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Senior Member
SuperSport
Join Date: Jan 2006
Location: Jacksonville, FL
Posts: 1,252
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Swa-eet! The big inch Bonnies are springing up everywhere! I bet you are making excuses to ride now.
Greg
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06-18-2007
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#5 (permalink)
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Senior Member
Supersport 400
Join Date: Mar 2006
Location: Cambridge, England
Posts: 99
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The head, cams, carbs are all standard, when I get chance I'll dyno it.
Makin excuses to ride - I can't keep off it. The torque is sooo addictive, any gear turn the loud handle and it pulls like a train, fantastic out of corners - I put a 1000cc kit on a T160 trident and thought that was good but this is the best mod I have ever done. Brilliant, awesome.
__________________
Speed Triple front end, Twin headlights, 17 inch mag wheels, Hotwing glass seat unit, Nark unit with KN's 1100cc torque monster, Modified Hyde footpegs Man this bike is brilliant, I can't stop riding it!!
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06-18-2007
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#6 (permalink)
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Senior Member
SuperSport Favorite Bike: Modified 2005 T100
Join Date: Mar 2007
Location: Rushden, Northamptonshire, England
Posts: 1,305 Other Motorcycle: 1994 CB750
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Wih my head skimmed/gasflowed I thought id had a sweet torque curve, now I hang my head in shame!
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Every sunday is mad sunday.......
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06-18-2007
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#7 (permalink)
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Senior Member
SOTP Vintage Series
Join Date: Jun 2005
Location: L.A., Ca.
Posts: 5,572
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Did the cases have to be machined, and what did that cost?
__________________
2005 Speedmaster, Neon Blue, Thunderbike pipes, snorkel removed, UNI filter, drilled airbox, 130 mains, TBS needles.(2 shims) And speaking of Speedmasters, HERE'S MINE
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06-18-2007
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#8 (permalink)
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Senior Member
SuperSport
Join Date: Jan 2006
Location: Jacksonville, FL
Posts: 1,252
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Daz, I believe I paid $350 for my upper case to be machined.
Greg
[ This message was edited by: bonnieblackinfl on 2007-06-19 06:28 ]
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06-19-2007
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#9 (permalink)
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Senior Member
Supersport 400
Join Date: Mar 2006
Location: Cambridge, England
Posts: 99
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I had my friends brother machine the cases, I had to force £50 on him he did not want anything!
__________________
Speed Triple front end, Twin headlights, 17 inch mag wheels, Hotwing glass seat unit, Nark unit with KN's 1100cc torque monster, Modified Hyde footpegs Man this bike is brilliant, I can't stop riding it!!
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06-19-2007
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#10 (permalink)
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New Member
Minitwins
Join Date: Apr 2007
Location: Hattiesburg, MS
Posts: 14
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Rip:
Can you give us an idea of the/any difference in fuel consuption?
thnx
[ This message was edited by: MS_Kid on 2007-06-19 21:11 ]
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