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Old 09-04-2006   #1 (permalink)
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Am wanting to change my sprocket from the stock 17 that comes on the TBA to the 19 tooth that they have on new speedmaster.com. If I do this, do I need a new chain? Or will the original chain still fit with the new sprocket? Also how involved is it to change these out? Any special tools needed? etc. Doesn't seemt that it should be too difficult, but I'm no mechanic. Any input would be awesome. Thanks guys!
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Old 09-04-2006   #2 (permalink)
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Here's an excellent how-to from Dinqua that explains everything with photos. You'll need a 24mm socket, Sears has a lot of their weird sizes on sale cheap right now (usually about $10).
Dinqua How-To - Sprocket Change

Your chain should be fine.
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Old 09-04-2006   #3 (permalink)
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As an adendum to Pat's site, a lot of guys are just using the rear brake to hold the chain steady while they crack loose that nut, rather than the block of wood trick... I am old school and used the wood
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Old 09-04-2006   #4 (permalink)
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thanks guys!
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Old 09-04-2006   #5 (permalink)
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Quote:
On 2006-09-04 09:04, ssjones wrote:
Here's an excellent how-to from Dinqua that explains everything with photos. You'll need a 24mm socket, Sears has a lot of their weird sizes on sale cheap right now (usually about $10).
Dinqua How-To - Sprocket Change

Your chain should be fine.
.................................................. .............



Pretty sure that socket was 36mm ?
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Old 09-04-2006   #6 (permalink)
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Quote:
Pretty sure that socket was 36mm ?
Correctamundo. a 1 7/16" also works.
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Old 09-04-2006   #7 (permalink)
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David- You may want to try an 18 before the 19. 18 for me was a little tall around town, saving it for trips.
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Old 09-05-2006   #8 (permalink)
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Yeah it is a 36mm socket...and I would definitely try the 18 tooth first. You lose a lot of low end torque. I switched to the 18 tooth but I would not go any higher, unless you just like puttin around like a Hardley rider.
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Old 09-07-2006   #9 (permalink)
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Quote:
On 2006-09-04 13:53, Dinqua wrote:
Quote:
Pretty sure that socket was 36mm ?
Correctamundo. a 1 7/16" also works.
Not sure why I put down 1 & 7/16" and 24 MM in my maintenance worksheet. Does a 24 mm socket fit the rear axle nut?
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Old 09-08-2006   #10 (permalink)
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Yup. If I recall, the left and right sides of the rear are different sizes so you don't need two of the same tool.
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