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17 or 18 front sprocket?
#603178 07/24/2024 3:29 PM
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jon1214 Offline OP
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Is the standard front sprocket for the 2006 Triumph America 17 or 18 teeth?
I believe it is the 17?

Re: 17 or 18 front sprocket?
jon1214 #603183 07/26/2024 1:16 PM
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I think that the SM came with a 16 t and the America with an 18 t


05 speedmaster - 1100cc, 11:1 racing pistons, Carillo rods, thunderbike cams, ported and polished head, 2mm over intake and exhaust valves, Barnett kevlar clutch, scepter pipes, oversize manifolds, 45mm HSR's, TTP stage 4 firestarter
Re: 17 or 18 front sprocket?
jon1214 #603184 07/26/2024 7:48 PM
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Fe Butt
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Fe Butt
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I can confirm the SM came with a 16 I am not sure of the BA 17 or 18. I lean to the 18 but not 100% sure.


I learned all I need to know about life by killing smart people and eating their brains.
Eat right ,Exercise ,Stay fit, Die Anyway!
Re: 17 or 18 front sprocket?
jon1214 #603199 08/04/2024 8:43 AM
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Pretty sure 18. I remember going +1 to a 19 on mine, because Florida.

Re: 17 or 18 front sprocket?
jon1214 #603219 08/21/2024 6:52 AM
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I thought 16 SM 17 America. Went to 19 and never looked back. Taller gears, smooth highway riding, not a fast hole shot but I was a rider not a racer. It was similar to adding a 6th gear. In 5th you can get it to the ton up state but not hit the rev limiter. Just not enough HP for that set up.

I loved for cruising the taller gears made it so smooth to ride.


I try to aggravate one person a day. Today may be your day.
Re: 17 or 18 front sprocket?
jon1214 #603221 08/23/2024 8:25 AM
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this thread has got me thinking about trying a 19T. The bike is still pretty jumpy with the 18T. It really wants to pull the front end when you try to get out in traffic. Yesterday a quick 2nd to 3rd shift surprised me a little.


05 speedmaster - 1100cc, 11:1 racing pistons, Carillo rods, thunderbike cams, ported and polished head, 2mm over intake and exhaust valves, Barnett kevlar clutch, scepter pipes, oversize manifolds, 45mm HSR's, TTP stage 4 firestarter

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