08 YFZ450 Want to change sprocket

[mikaveli]

i need some more low end someone told me to change my sprocket i have 14T they said i could go to a 13T wouldnt have to take any links out is that true? would that give me more low end or is there anything that would give me more

[Stoopidbot1]

Yes, that is correct. Certain pipes give better low end performance than others. There are also different stages of Hot Cams that offer different gains; most of them are for low to mid range.

[DirtDemon]

Changing to a smaller sprocket will give you more low end performance. I think that droping a tooth in the front may not be the best idea, you will lose alot of top end speed,you will lose traction and you will run the gears out faster. You will be spinning your tires like mad and you will be on the rev limiter before you know it. Some people do it and seem to like the result but, going up a tooth or two on the rear would be better IMO, you will get a little bit better low end without sacrificing too much top end speed. Changing rear sprockets is just as easy and the change is more subtle, however, a two tooth change may require a link added to the chain. Generally, a one tooth change in front is comparable to a 3 tooth change in back. Like Bot said, exhaust and cam upgrades will help you with more power that will help you pull the stock gearing a bit better, obviously that would be the best way to go but if you only want to spend about $20 to $35 dollars or so, sprockets are much cheaper.

[Stoopidbot1]

Originally Posted by DirtDemon Generally, a one tooth change in front is comparable to a 3 tooth change in back.

You would probably know better than I but I thought it was 1 front = 2 rear

[mikaveli]

I have Two Brother exhaust (slip on) and have K&N filter top off it seem i got good power and speed it dies alot when i try to take hills and when it gets hot it likes to stall when i take off thought maybe a
Boyesen QuickShot 2 would take care of it dont have money for it now a friend gave me the sproket thought it would help

[DirtDemon]

If you got the sprocket, try it, you can always put it back if you don't like it, it is easy enough. But it sounds like you have other problems. Did you re-jet the carb when you added the exhaust and filter? You may be running that thing a bit lean, lean is bad. I would make sure your jetting is ok before you ride it again. Pull your plug out, what does it look like?

[DirtDemon]

Originally Posted by Stoopidbot1 You would probably know better than I but I thought it was 1 front = 2 rear

It is usually between 2.5 and 3 to 1. My LTR is 14/37 which is like 2.65 to 1, I believe stock gearing on the Honda is 13/38 which is around 2.9. Most ATV's have a setup that is within this range.

[Stoopidbot1]

AH, thanks brother.

[Sc0tt]

Sounds good. I bought a one tooth larger sprocket for my Lakota because 1st gear is pretty useless and I wanted more top end but I never installed it.

[DirtDemon]

You could use it as a throwing star since it has no home on your quad.