July 23rd, 2009, 12:37 AM | #1 |
ninjette.org member
Name: Dave
Location: Alaska
Join Date: Apr 2009 Motorcycle(s): 250R Posts: 41
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Vortex Sprocket!
Finally got this sprocket installed. The blingy chain was not in the original plan, but I actually like the end result.
I went with a 39t rear sprocket. This setup smoothed out the vibration at higher speeds (1000 rpm less at 80mph)
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Black 08 250r: Koso dash, yoshi cf slip-on, bikemonkey led, puig windscreen, cc rearset adjusters and shorty levers, shimmed, de-snorkel'd, de-kleen'd , 14/39 gearing, x-ring chain... Last futzed with by ShelbyOne; July 23rd, 2009 at 12:21 PM. Reason: Pic didn't load. oops! |
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July 23rd, 2009, 12:45 AM | #2 |
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July 23rd, 2009, 02:33 PM | #3 |
Join Date: Nov 2008 Posts: Too much.
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setup look good.
how much slack do you have in your chain? looks a bit tight, but hard to tell for sure from here. |
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July 23rd, 2009, 03:37 PM | #4 |
ninjette.org member
Name: Dave
Location: Alaska
Join Date: Apr 2009 Motorcycle(s): 250R Posts: 41
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Thanks kkim.
There is just under an inch of slack. I went on the tighter side of the tolerances knowing now how much the chain will stretch initially! I know these sprockets wear rather quickly, but it should last a good while with my mellow highway commute. I would definitely suggest re-gearing this bike. Especially if you don't have a lot of stoplights to deal with!
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Black 08 250r: Koso dash, yoshi cf slip-on, bikemonkey led, puig windscreen, cc rearset adjusters and shorty levers, shimmed, de-snorkel'd, de-kleen'd , 14/39 gearing, x-ring chain... |
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July 23rd, 2009, 03:45 PM | #5 |
Join Date: Nov 2008 Posts: Too much.
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you might want to loosen it up a bit to a little over 1". I've found it's better to be too loose than too tight. good o-ring chains don't seem to stretch much, so you might be tight for a long time... bad for output shaft and rear wheel bearings. also, rotate the chain to find the tightest spot and then measure the slack. It's not consistent along the entire chain... there are tight and loose spots, so gauge the 1" off the tightest spot you can find.
how did you realign the rear wheel? I hope you didn't just go by the hash marks on those adjuster plates. |
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July 23rd, 2009, 03:55 PM | #6 |
ninjette.org member
Name: Dave
Location: Alaska
Join Date: Apr 2009 Motorcycle(s): 250R Posts: 41
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I'll go check for the "tightest spot" thanks for the tip.
As for the alignment; I just counted the threads on the adjustment bolts. It rides awesome now, especially since I shimmed and pulled the snorkel while I had it apart.
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Black 08 250r: Koso dash, yoshi cf slip-on, bikemonkey led, puig windscreen, cc rearset adjusters and shorty levers, shimmed, de-snorkel'd, de-kleen'd , 14/39 gearing, x-ring chain... |
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July 23rd, 2009, 04:03 PM | #7 | |
Join Date: Nov 2008 Posts: Too much.
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Quote:
http://www.ninjette.org/forums/showthread.php?t=13833 |
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