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Title: sprocket question Post by: klutchbuster400 on August 19, 2006, 10:28:04 AM Hey, going to palmetto motorsports today to get a bottom end front sporcket, Any one know what the stock size for the front sprocket on a 03 z400
Title: Re: sprocket question Post by: lawn_man mx on August 19, 2006, 10:56:08 AM i think is 14 ! go to magic racing.com click on tech z400 ;D
Title: Re: sprocket question Post by: klutchbuster400 on August 19, 2006, 11:02:51 AM thanks alot rafaeal, I wouldnt have to get a different size chain right.
Title: Re: sprocket question Post by: lawn_man mx on August 19, 2006, 11:11:51 AM you should be ok ! going up 1tooth ?
Title: Re: sprocket question Post by: klutchbuster400 on August 19, 2006, 11:58:25 AM you should be ok ! going up 1tooth ? down ;)Need some more power out of the corners :P Title: Re: sprocket question Post by: brokenbackt12 on August 20, 2006, 09:09:05 AM go to z400central 13/41 is the combo to have. no you do not have to change chain legnth. the stock 03 gears are 14/40 and the chain is 96 links.
Title: Re: sprocket question Post by: klutchbuster400 on August 20, 2006, 10:16:47 AM go to z400central 13/41 is the combo to have. no you do not have to change chain legnth. the stock 03 gears are 14/40 and the chain is 96 links. Thanks man, I was looking for the right combo, I was thinking 13/ 42, but thta migth be too much, 13/41 sounds abotu rigth.Title: Re: sprocket question Post by: tony pitts on August 20, 2006, 11:43:57 PM how do you know what sprocket to run, without knowing what size tires he has. if your running stock tires . and stock gearing you should have 14 40 gearing wich gives you a 286 gear if you go to a 13 41 you will have 315 gear which is a drastic change unless your running 24 inch tires on the back. try 14 41 and you should be happy.
Title: Re: sprocket question Post by: Fox17 on August 21, 2006, 11:16:12 AM how would i gear a yfz 450 with 18s on the back with stock gearing? i want more low end. a lot more.
Title: Re: sprocket question Post by: svtbolt04 on August 21, 2006, 11:31:36 AM go down a tooth in the front
Title: Re: sprocket question Post by: Fox17 on August 21, 2006, 11:41:19 AM the stock chain will fit right? well i may just get new sprockets and chain. we'll see.
Title: Re: sprocket question Post by: svtbolt04 on August 21, 2006, 11:45:30 AM With one tooth, you dont need to worry about length.
Title: Re: sprocket question Post by: klutchbuster400 on August 21, 2006, 03:35:45 PM how do you know what sprocket to run, without knowing what size tires he has. if your running stock tires . and stock gearing you should have 14 40 gearing wich gives you a 286 gear if you go to a 13 41 you will have 315 gear which is a drastic change unless your running 24 inch tires on the back. try 14 41 and you should be happy. Well I need more bottom end for the track, Never really topend for it.I run 18's btw. I had a 14 41 set up once on my z400, I didnt really like it, I felt VERY sluggish. Title: Re: sprocket question Post by: brokenbackt12 on August 21, 2006, 04:22:43 PM i'm on 20 x 11 x 9. i ride trails with some soft sand.
Title: Re: sprocket question Post by: Fox17 on August 21, 2006, 04:22:51 PM thanks svtbolt04. ill go get one.
Title: Re: sprocket question Post by: k.p. on August 21, 2006, 04:25:24 PM yeah well i bought a chain/sproket kid for my warrior and they sent me yfz sprokets..so yeah dont order to big
Title: Re: sprocket question Post by: Fox17 on August 21, 2006, 04:26:09 PM what size and do you still have them?
Title: Re: sprocket question Post by: k.p. on August 21, 2006, 04:31:49 PM well i do but i need to turn them in so i can get the right sprokets for my quad but ifyou want a cheap sproket kit go here www.magicracing.com they have the cheapest stuff
Title: Re: sprocket question Post by: Fox17 on August 21, 2006, 04:32:11 PM ok thanks.
Title: Re: sprocket question Post by: tony pitts on August 21, 2006, 08:17:04 PM how do you know what sprocket to run, without knowing what size tires he has. if your running stock tires . and stock gearing you should have 14 40 gearing wich gives you a 286 gear if you go to a 13 41 you will have 315 gear which is a drastic change unless your running 24 inch tires on the back. try 14 41 and you should be happy. Well I need more bottom end for the track, Never really topend for it. I run 18's btw. I had a 14 41 set up once on my z400, I didnt really like it, I felt VERY sluggish. If you are running 18s and your quad is sluggish with 14 41 gearing, then you need to check you motor and carb. My wife's bike is running that gearing with 20x11x9 Razr2 and it will spin them very easy. Here is a pic of her pulling the holeshot on her Z400 at one of the FTR Quad Scrambles last year. (http://www.motoxroads.com/Pictures/Images/TheresaQS2HoleShot.jpg) Title: Re: sprocket question Post by: LTR450 994 on August 21, 2006, 09:41:33 PM how do you know what sprocket to run, without knowing what size tires he has. if your running stock tires . and stock gearing you should have 14 40 gearing wich gives you a 286 gear if you go to a 13 41 you will have 315 gear which is a drastic change unless your running 24 inch tires on the back. try 14 41 and you should be happy. Well I need more bottom end for the track, Never really topend for it. I run 18's btw. I had a 14 41 set up once on my z400, I didnt really like it, I felt VERY sluggish. If you are running 18s and your quad is sluggish with 14 41 gearing, then you need to check you motor and carb. My wife's bike is running that gearing with 20x11x9 Razr2 and it will spin them very easy. Here is a pic of her pulling the holeshot on her Z400 at one of the FTR Quad Scrambles last year. ([url]http://www.motoxroads.com/Pictures/Images/TheresaQS2HoleShot.jpg[/url]) Title: Re: sprocket question Post by: klutchbuster400 on August 21, 2006, 09:54:24 PM I know how to ride my bike, and even then its not hard to punch it :N
Title: Re: sprocket question Post by: tony pitts on August 21, 2006, 10:02:39 PM how do you know what sprocket to run, without knowing what size tires he has. if your running stock tires . and stock gearing you should have 14 40 gearing wich gives you a 286 gear if you go to a 13 41 you will have 315 gear which is a drastic change unless your running 24 inch tires on the back. try 14 41 and you should be happy. Well I need more bottom end for the track, Never really topend for it. I run 18's btw. I had a 14 41 set up once on my z400, I didnt really like it, I felt VERY sluggish. If you are running 18s and your quad is sluggish with 14 41 gearing, then you need to check you motor and carb. My wife's bike is running that gearing with 20x11x9 Razr2 and it will spin them very easy. Here is a pic of her pulling the holeshot on her Z400 at one of the FTR Quad Scrambles last year. ([url]http://www.motoxroads.com/Pictures/Images/TheresaQS2HoleShot.jpg[/url]) Title: Re: sprocket question Post by: klutchbuster400 on August 21, 2006, 10:32:18 PM how do you know what sprocket to run, without knowing what size tires he has. if your running stock tires . and stock gearing you should have 14 40 gearing wich gives you a 286 gear if you go to a 13 41 you will have 315 gear which is a drastic change unless your running 24 inch tires on the back. try 14 41 and you should be happy. Well I need more bottom end for the track, Never really topend for it. I run 18's btw. I had a 14 41 set up once on my z400, I didnt really like it, I felt VERY sluggish. If you are running 18s and your quad is sluggish with 14 41 gearing, then you need to check you motor and carb. My wife's bike is running that gearing with 20x11x9 Razr2 and it will spin them very easy. Here is a pic of her pulling the holeshot on her Z400 at one of the FTR Quad Scrambles last year. ([url]http://www.motoxroads.com/Pictures/Images/TheresaQS2HoleShot.jpg[/url]) Oh crap my bad, I read that wrong, I thought you said she ran 14/ 39, which is my old set up haha. I mean tmy bike felt sluggish with the 39 rear, I would go 41 in the rear, but a front sprocket is much cheaper and Funds are low :'( Title: Re: sprocket question Post by: tony pitts on August 21, 2006, 10:53:16 PM I understand but changing the front sprocket 1 tooth is like changing 3 and a half teeth on the rear you will get lot of rev out of the bottom but less speed overall not to mention over reving your quad at top speed.I have done a lot of gear changing I have three quads yfz450 trail and mx, my sons trx 513 mx, and my wifes 440 zuki.
Title: Re: sprocket question Post by: klutchbuster400 on August 21, 2006, 10:56:10 PM I understand but changing the front sprocket 1 tooth is like changing 3 and a half teeth on the rear you will get lot of rev out of the bottom but less speed overall not to mention over reving your quad at top speed.I have done a lot of gear changing I have three quads yfz450 trail and mx, my sons trx 513 mx, and my wifes 440 zuki. So basically changing the front would be TOO dramatic a change.I need a front sprocket regardless,, stock one is starting to warp. SO stock 14, and 41 is a good set up for MX? Title: Re: sprocket question Post by: tony pitts on August 22, 2006, 05:53:06 AM you stock gearing was 14 /40 and you dropped your tire size to 18 inch from 20 inch you should be able to run 14/ 39 because 18's raises youe gear ratio .there not as hard to turn as 20's.
Title: Re: sprocket question Post by: klutchbuster400 on August 22, 2006, 06:36:52 AM you stock gearing was 14 /40 and you dropped your tire size to 18 inch from 20 inch you should be able to run 14/ 39 because 18's raises youe gear ratio .there not as hard to turn as 20's. I didnt like the feel of my 39 tooth though, And I need more bottom end for the track. I think I rode at seminole once with the 39 and really didnt liek it.Title: Re: sprocket question Post by: UncleRico on August 22, 2006, 09:06:04 PM The way I understand it is, if you need a "slight" change you work the rear sprocket, if you need a more "substantial" change, you work the front sprocket.
I think it's about 3:1 back to front when moving teeth. I guess it's all about feel and where you're riding. I wonder if there's some secret formula that the factory mechanics use. Title: Re: sprocket question Post by: klutchbuster400 on August 23, 2006, 05:09:44 PM The way I understand it is, if you need a "slight" change you work the rear sprocket, if you need a more "substantial" change, you work the front sprocket. Im sure their is, Ill ask who ever I know with a pro bike what their sprockets are haha!I think it's about 3:1 back to front when moving teeth. I guess it's all about feel and where you're riding. I wonder if there's some secret formula that the factory mechanics use. Title: Re: sprocket question Post by: Fox17 on August 23, 2006, 05:32:04 PM well they have more that sprocket secrets. we had a crf tuned by factory honda and it ran absolutely perfect! the jetting was perfect as was the gearing and engine and EVERYTHING. that is why they run so much better.
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