14T to 12T Sprocket - Yamaha Raptor Forum
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post #1 of 8 (permalink) Old 07-12-2019, 08:25 PM Thread Starter
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14T to 12T Sprocket

I recently purchased a 12T Sprocket because I was under the impression that this quad was running a stock 13T. Of course AFTER I ordered it, I decided to count the teeth on the current sprocket to see if the previous owner may have already gone with a 12T as I am fairly new to Quads and could not "feel" just by riding.. Turns out the previous owner actually went the other direction with gearing and it has a 14T on it now. My question for everyone is simply this, Will going down 2 teeth in the front be a bad idea for my machine? I am fairly used to the riding style now but I was looking to put a little more torque to it. Keep in mind upon purchasing the 12T I thought i was only going down 1. OOF! I have read a decent amount about gearing and feel like I have a basic understanding of what does what and what makes you faster in the top/bottom end so I do know somewhat what I am getting into with the 12T. I would appreciate any and all input!!
Thanks in advance everyone!
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post #2 of 8 (permalink) Old 07-14-2019, 03:21 AM Thread Starter
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Update: The sprocket arrived and was installed. (very easy install BTW) The only issue is that the previous owner either installed a longer chain to accommodate the 14T they installed or my chain is very stretched because the chain is now a few links too long for the 12T. I have extended the back axle as much as possible to no avail. More than likely my next course of action will be to remove 2 links from the current chain and hope that this will work for the 14T as well or i will be ordering a new chain so I can utilize both the 12T and 14T on different occasions. Make sense? Any tips or advice would be helpful as I am still new to working on these things but I love my Raptor and hope to keep it running for a long time!!
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post #3 of 8 (permalink) Old 07-14-2019, 09:14 PM
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That is really low gearing, crawling over rocks?

[U]2006 raptor 700

DMC Force 4's, FCI W/box, Dynatek Fusion,
CP 11:1 piston, BaMotorsports porting, HC3
RacersEdge +3TB
YFZ 450 fronts & reworked rear by JOGACA
Trailtech 1 1/8 xbar w/vapor dash & Vapor installed
ODI Rogue grips & ASV pro pack levers
Fastway steering stabilizer
68HP 49TQ

PM me if you need service manuals
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post #4 of 8 (permalink) Old 07-14-2019, 09:42 PM Thread Starter
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No I just wanted more power on takeoff. Maybe the occasional wheelie lol nothing too crazy. I ordered a new chain to run the 14T on if i don't enjoy the ride with the 12. Needed a new chain anyways, I counted the links today and it is 98 so it must be pretty stretched because I saw in some other threads that the stock chain will run a 12T.

2005 Raptor 350 (Total Loss - Fire)
Pro Circuit T-4 Slip On
Jetted
Moose Racing Air Filter
AC Racing Nerfs
DG A-Arm Guards
ICON Forged Racing Piston

2005 Raptor 660R
Yoshimura Slip On
Random Nerfs
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post #5 of 8 (permalink) Old 07-14-2019, 09:48 PM
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Shouldn't be an issue to run the 13. Wouldn't go to a 12, too tight of a radius for the chain. Try different size rear sprocket vs the 12,

[U]2006 raptor 700

DMC Force 4's, FCI W/box, Dynatek Fusion,
CP 11:1 piston, BaMotorsports porting, HC3
RacersEdge +3TB
YFZ 450 fronts & reworked rear by JOGACA
Trailtech 1 1/8 xbar w/vapor dash & Vapor installed
ODI Rogue grips & ASV pro pack levers
Fastway steering stabilizer
68HP 49TQ

PM me if you need service manuals
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post #6 of 8 (permalink) Old 07-14-2019, 10:05 PM Thread Starter
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Will look into different rear sprockets or possibly just stick with the 14. Like I said though I will be using the old chain after I cut a few links out to try out the 12 so I'm not too worried about chain wear. Just want some POP. lol I would have gotten a bigger bike but this was originally intended to be a family bike I just cant help myself with a few easy mods for just dad fun..
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2005 Raptor 350 (Total Loss - Fire)
Pro Circuit T-4 Slip On
Jetted
Moose Racing Air Filter
AC Racing Nerfs
DG A-Arm Guards
ICON Forged Racing Piston

2005 Raptor 660R
Yoshimura Slip On
Random Nerfs
PRM Products Swing Arm Guard
K&N Air
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post #7 of 8 (permalink) Old 07-26-2019, 07:55 PM Thread Starter
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UPDATE: For anyone that cares, I ran the 12T for about a week or so. I switched back to the 14T recently just because I felt like the 12 was kinda robbing the Quad of power in the mid range, which is where I think it excels for my riding style. It would get up into the higher gears and then just kinda rev out before actually getting all the way into the power. When I did try to get up to top speed it felt like it was gunna blow. (no bueno) Lesson learned I guess, In the future though if I ever need to do some tight trail riding or some rock crawling I have the tools necessary!!
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2005 Raptor 350 (Total Loss - Fire)
Pro Circuit T-4 Slip On
Jetted
Moose Racing Air Filter
AC Racing Nerfs
DG A-Arm Guards
ICON Forged Racing Piston

2005 Raptor 660R
Yoshimura Slip On
Random Nerfs
PRM Products Swing Arm Guard
K&N Air
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post #8 of 8 (permalink) Old 07-26-2019, 10:18 PM
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Cheap things to play with, I have all kinds for our 700's
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[U]2006 raptor 700

DMC Force 4's, FCI W/box, Dynatek Fusion,
CP 11:1 piston, BaMotorsports porting, HC3
RacersEdge +3TB
YFZ 450 fronts & reworked rear by JOGACA
Trailtech 1 1/8 xbar w/vapor dash & Vapor installed
ODI Rogue grips & ASV pro pack levers
Fastway steering stabilizer
68HP 49TQ

PM me if you need service manuals
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