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post #1 of 2 (permalink) Old 02-27-2003, 03:11 AM Thread Starter
Join Date: Feb 2003
Posts: 407
Question sprocket mods

Anyone out there who has changed sprockets - I'm looking for info on doing this. I have an 02 F4i and want to upgrade sprockets for low end torque/accel. Any recommendations on upping teeth in rear vs. reducing teeth in front, or brands, chains, etc? Any help would be much obliged.
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post #2 of 2 (permalink) Old 03-17-2003, 08:13 PM
Join Date: Apr 2001
Posts: 101
Yeah, teeth down in front, or teeth up in rear, increases torque/acceleration, at the cost of making it rev up to redline faster and having a lower top speed in each gear. I went down a tooth in the front and it picks up quicker. Instead of redlining in first gear at 86mph, it's more like 80mph now. Big deal. But the speedo still says 86 because it's calibrated for stock. Oh well makes me less likely to get a speeding ticket.

On a 600 I would go down a tooth in front and two up in the back. You can get decent Renthal sprockets for cheap that do the job, myself I wouldn't pay any more for something that won't do much better than that. 2 teeth in the back is worth 1 in the front.
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