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View Full Version : what will happen if you do this?



sprt400ex
10-15-2001, 01:04 PM
i have a 14t. sproket now what will happen if i put a 13t. front sproket on? or is this not possible
please tell me

10-15-2001, 01:13 PM
Whatcha riden???????????

sprt400ex
10-15-2001, 01:15 PM
modified 400ex

JabberJaw
10-15-2001, 01:27 PM
I believe the chain will rub against the small bolt that holds the front sprocket on.

10-15-2001, 01:29 PM
Do they make a 13 tooth sprocket fer the 400 and if they do,,,you'll have soooo much torque that if ya put it in 1st gear and blip the throttle it will probably do a back flip,,,I'd stick with the 14,,,what type of riding do you do???

sprt400ex
10-15-2001, 01:37 PM
mostly trails and hills. i occasionally race it on the mx track for fun but mosty trails and hills. thanks for the help, the reason i asked is because i found a 13t. sproket from my brothers warrior and just wondered if it would work on my 400

10-15-2001, 02:25 PM
I'd say probably not,,,if there's 2 holes in it for screws to go in it might but,,,,if I was a gamblin man,,I'd bet it won't work..

sprt400ex
10-15-2001, 02:37 PM
aright well just because i am bored im going to go try it and let you know..lol i will write back in a little:)

sprt400ex
10-15-2001, 02:57 PM
nope didnt work lol

10-15-2001, 03:09 PM
Well it's proabably a good thing,,,,cuz that thing would be all herky jerky with such a small front sprocket,,,,you probably could do a back flip if ya goosed it real hard..LOL

10-15-2001, 08:06 PM
they do make 13's..i'm thinking of geting one when i get money

10-15-2001, 08:21 PM
I think the lowest they go is a 14 tooth.

400exRacerX
10-15-2001, 08:27 PM
why get a 13? u would need a smaller chain, i am having trouble keeping my chain tight with my 14, what i would do if you wanted more torque is leave the 14t in the front and buy a 39t for the rear and it will be like having a 13/38 gearing but its really 14/39 with the same torque.

RideRed04
10-15-2001, 08:54 PM
nuh uh! lol, 3 teeth up on the rear sproket equals droping a tooth on the front. to equal 13/38 gearing you would need 14/41, and then you mess with ground clearance. Try running 14/38 with 18" tires and see how ya like that!

Guy400
10-16-2001, 05:26 AM
I know this might be a litte nit-picky but I've seen a couple replies to this post about how if you dropped to a 13t you'd gain so much torque that it would be difficult to ride the bike. Gearing has nothing to do with torque. Gearing will dictate where that torque will be applied (whether it be on the bottom with a 14t or on the top with a 16t). Torque is a force that's produced by the motor, not by the gearing. So if you've got a motor that makes 30 ft\lbs. of torque it's only going to make 30ft\lbs. despite the gearing used.

JabberJaw
10-16-2001, 07:58 AM
Would'nt buying that small of sprocket for the front be harder on the engine? I ran a 14t up front and a 43t in the rear but did not like it. Even for trail riding..

shock400ex32
10-16-2001, 11:54 AM
Yea Guy660R is right the gearing has nothing to do with the torque but with a 13t on the front every last bit of the torque would go to the bottom end and then your 400 wouldn't have any top end. It would feel like you needed like a 7th gear aong with a 6th!!

10-16-2001, 12:12 PM
Well that's the point I was making,,,excuse my terminology,,,the fact of the matter is a 13th front sprocket would need about 3 more gears<--------not refering to the foot pounds of torque created by the motor...:D you would not have any top end,,,way to much grunt..

RideRed04
10-16-2001, 03:38 PM
Holy crap Jabber! I bet that thing liked to wheelie (and went about 35mph wide open)!

10-16-2001, 09:15 PM
ok..the stock 400 gear ratio is 2.53. the 14/38 gear ratio is 2.71 which is way to low end for most ppl's tastes. sprocket specialists make 13-15 for the front,35-42 for the rear...so say you want more low end then stock but not the 14/38 cause it's too low...13/35's gear ratio is 2.69..14/36 is 2.57...14/37 is 2.64..and 15/40 is 2.67...any one of these will work to give more bottom but not to much as the 14/38...i think i'm gonna run 14/36 or 14/37 when i get new sprockets..and as for the chain..if your gonna change sprockets change the chain too

WB400ex
10-18-2001, 09:44 PM
guy660 r is dumb just stick with ur raptor

Guy400
10-19-2001, 05:24 AM
Originally posted by WB400ex
guy660 r is dumb just stick with ur raptor OK, then. I've never talked to you before. Care to explain?

10-19-2001, 09:50 AM
It depends on if they make a 13 inch spracket for a 400 EX:devil

WB400ex
10-19-2001, 01:02 PM
dont get mad dude just stick with your raptor

RideRed04
10-19-2001, 03:09 PM
Originally posted by WB400ex
dont get mad dude just stick with your raptor

I have seen alot more helpful posts and a lot less flames from guy660r than from you... so maybe you should just stick to yourself!

WB400ex
10-19-2001, 03:20 PM
ridered stop talking **** or go to the flames forum

RideRed04
10-19-2001, 03:23 PM
Originally posted by WB400ex
ridered stop talking **** or go to the flames forum

Sorry? I think you need to go re-read your posts. You attacked Guy660r for no reason at all, he was just pointing out a misconception some people had. I was sticking up for one of the imformatime, helpful members of this site. Why dont you go take a nice, relaxing ride on your 400, and then come talk to us.

WB400ex
10-19-2001, 03:26 PM
why doesnt guy660r go take a nice ride on his raptor. ok stop talking crap now

RideRed04
10-19-2001, 03:28 PM
Originally posted by WB400ex
why doesnt guy660r go take a nice ride on his raptor. ok stop talking crap now

Just tell us what he said to upset you! I didnt mean to flame you, sorry about that.

Red Rooster
10-19-2001, 03:42 PM
I vote for Guy to stay who cares what he rides. He has helped more ppl. than I care to count. Mayb if you didn't Know what his name was you would like him. :confused: Lets just all get along and not try to piss anyone off. OK?

JabberJaw
10-19-2001, 03:43 PM
And to think I am missing "Days Of Our Lives"!

Guy400
10-19-2001, 04:13 PM
Well, it's painfully obvious that this dude is just a f--kin' moron who has nothing better to do than try and egg me into some type of flame war. I originally asked him what made him write his first reply and all he can respond with is "stick with your Raptor." He's got no good argument, just pointless rhetoric. This idiot can email me or send private messages 'cause I'm not going to clog up Leo's board with this.

10-19-2001, 06:27 PM
i think everyone on this board has problems and i'm tired of this ****....i'm tierd of seeing ppl sucking others asses...not flaming rico at all but ppl read his posts and ultimatly think he's got to be right cause he's rico....again i'm not flaming rico but using him as an example...people on here don't understand other can make mistakes or just be plain wrong...just cause ppl have high post numbers there the ****..and no one can get along..i'm thinking about leaveing this board for sure if people don't start getting along..........sorry for the flame but i'm sick of all this ****...Tom

please do
3punksdad's trash removal service :)

WB400ex
10-19-2001, 06:43 PM
dam so am i

Guy400
10-19-2001, 06:44 PM
Originally posted by WB400ex
dam so am i You started this mess...