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| Sprint Forum Sprint ST - Sprint RS - Sprint GT Join in on one of the world's most active Triumph Sport-Touring Forums. |
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10-07-2008, 04:47 PM
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#1 (permalink)
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Senior Member
SuperStock Favourite Bike: All of 'em!
Join Date: May 2008
Location: Jacksonville, FL
Posts: 300
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Installed a 17t front sprocket...
and the grin is back on my face!
I guess I'm a hooligan by nature, I just love nailing the throttle off the line. I love laying on the tank at the stop light, and when it turns green, seeing how fast I can hit the posted speed limit. I was able to get about 20-25 miles in and only had one un-intended front tire lift-off from terra-firma. I probably won't keep it on for cross country jaunts, but around town, it was more fun than a growed-up man should be allowed to have...
A tremendous bang-for-the-buck and besides, this is cheaper than pistons, cams and dyno time!
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10-07-2008, 05:07 PM
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#2 (permalink)
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Premium Member
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SOTP Vintage Series Favourite Bike: Velocette Clubman
Join Date: Dec 2007
Location: Sherwood Park, Alberta Canada
Posts: 7,020 Other Motorcycle: 2007 Bonnie Black Cafe Extra Motorcycle: 77 GS400
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Sounds like fun. I bet the wheel could come up pretty darn easy though with a 17T. It could with the 18T.....
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10-07-2008, 09:41 PM
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#3 (permalink)
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Senior Member
250 Grand Prix Favourite Bike: '04 Sprint RS
Join Date: Jul 2008
Location: Bellefonte, Pennsyltucky
Posts: 113
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You guys still had 19T stock right? Mine was a 19/43 and was almost unmanageable in traffic. The 18T was on order as soon as I got to the shop on my first ride 
Sounds like the 17T might be an order of magnitude more fun again! 
Though maybe I'll try a 45T rear as an intermediate step...
__________________
Black 2k4 Sprint RS - 18T, Trident Carbon pipe, TOR tune, ASV Levers, SW_MOTECH tank mount, Skyking tail bob, factory hugger
WTB: Triumph gel seat for my RS! PM me!
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10-07-2008, 09:46 PM
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#4 (permalink)
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Supersport 600 Favourite Bike: 2008 Sprint ST (non ABS)
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What benefit does the 18T sprocket offer in traffic?
__________________
2008 Pacific Blue Sprint ST: Slash-cut Tridents, Corbin G&L, GenMar Risers, Metisse Lowering Link, Skidmarx Hugger, Long Pazzo's, Axle Nut Covers, Garmin Nuvi 770 w/Ram Mount Upgrade Wishlist: Top Box
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10-07-2008, 09:52 PM
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#5 (permalink)
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Senior Member
250 Grand Prix Favourite Bike: '04 Sprint RS
Join Date: Jul 2008
Location: Bellefonte, Pennsyltucky
Posts: 113
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Quote:
Originally Posted by scubajosh77
What benefit does the 18T sprocket offer in traffic?
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For me, it made it far easier to manage the starts and stops of city driving. It also drops the speed in gear at idle making it easier to roll ahead at low speed without slipping the clutch as much. Eliminated a lot of the surging/hitching you'll get in those situations. The TOR tune took care of much of the rest.
And, well, the fun factor is obvious
__________________
Black 2k4 Sprint RS - 18T, Trident Carbon pipe, TOR tune, ASV Levers, SW_MOTECH tank mount, Skyking tail bob, factory hugger
WTB: Triumph gel seat for my RS! PM me!
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10-07-2008, 09:55 PM
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#6 (permalink)
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Formula Extreme Favourite Bike: 06 S3 Wife, & Dog
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Did you have to take any links outs of the chain? I was thinking of doing the same thing. Thats why I put a Sigma bicycle speedo on her
Quote:
Originally Posted by dave333
and the grin is back on my face!
I guess I'm a hooligan by nature, I just love nailing the throttle off the line. I love laying on the tank at the stop light, and when it turns green, seeing how fast I can hit the posted speed limit. I was able to get about 20-25 miles in and only had one un-intended front tire lift-off from terra-firma. I probably won't keep it on for cross country jaunts, but around town, it was more fun than a growed-up man should be allowed to have...
A tremendous bang-for-the-buck and besides, this is cheaper than pistons, cams and dyno time!
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__________________
 crashed 05 Sprint now 06 Speedie with Full Arrow low boy and a few other goddies
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10-07-2008, 09:56 PM
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#7 (permalink)
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Senior Member
SuperStock Favourite Bike: All of 'em!
Join Date: May 2008
Location: Jacksonville, FL
Posts: 300
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Quote:
Originally Posted by Gearhead_42
You guys still had 19T stock right? Mine was a 19/43 and was almost unmanageable in traffic. The 18T was on order as soon as I got to the shop on my first ride
Sounds like the 17T might be an order of magnitude more fun again!
Though maybe I'll try a 45T rear as an intermediate step... |
Yep, 19t was stock. I believe 44t is stock for the rear sprocket, so one tooth up would barely be noticeable. I think I remember 3 teeth in back is equal to one tooth up front, others may chime in and verify or correct that info.
FWIW, it is an order of magnitude more fun! It felt great when I let it rip up the hill away from my subdivision. I've always had a habit of gearing my bikes short. My ZRX was 17/45 stock and I wound up with 16/47. My tendency is to roll on the throttle very smoothly and sometimes very quickly. I'm not a wheelie nut, I keep the front wheel on the ground 99.1% of the time. With the small front sprockets, you will get marginally faster chain wear due to the decreased radius. How much less? I only got 22,000 miles out of the chain on my 140hp ZRX, so I guess "less" is relative...
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10-07-2008, 10:00 PM
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#8 (permalink)
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Senior Member
SuperStock Favourite Bike: All of 'em!
Join Date: May 2008
Location: Jacksonville, FL
Posts: 300
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Quote:
Originally Posted by jeffro
Did you have to take any links outs of the chain? I was thinking of doing the same thing. Thats why I put a Sigma bicycle speedo on her
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Nope, the chain adjusted to spec. I run my chains loose, with at least 1" of free play up on the stand, sometimes a little more. Once you get on the bike and add sag to the suspension, all that slack gets taken up...
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10-07-2008, 10:05 PM
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#9 (permalink)
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Senior Member
250 Grand Prix Favourite Bike: '04 Sprint RS
Join Date: Jul 2008
Location: Bellefonte, Pennsyltucky
Posts: 113
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Quote:
Originally Posted by dave333
Yep, 19t was stock. I believe 44t is stock for the rear sprocket, so one tooth up would barely be noticeable. I think I remember 3 teeth in back is equal to one tooth up front, others may chime in and verify or correct that info.
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I just looked it up, seems like you're even higher than me... I have a 43, looks like you >05 guys got stuck with a 42! At least according to these guys.
__________________
Black 2k4 Sprint RS - 18T, Trident Carbon pipe, TOR tune, ASV Levers, SW_MOTECH tank mount, Skyking tail bob, factory hugger
WTB: Triumph gel seat for my RS! PM me!
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10-07-2008, 10:19 PM
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#10 (permalink)
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Senior Member
SuperStock Favourite Bike: All of 'em!
Join Date: May 2008
Location: Jacksonville, FL
Posts: 300
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Quote:
Originally Posted by Gearhead_42
I just looked it up, seems like you're even higher than me... I have a 43, looks like you >05 guys got stuck with a 42! At least according to these guys. |
That could explain why my tune edit - tune constants never work out when I use a 44t rear sprocket!
Bike Bandit confirms your info... Here is their link:
 http://www.bikebandit.com/triumph-mo...-2008/o/m17633
I'm going to ride the 17/42 more, but I'm thinking 18/44 would be mighty fine, mighty fine indeed!
Last edited by dave333; 10-07-2008 at 10:39 PM.
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