First Bike, First Question...

hey guys, i just picked up a 99 yz400 over the weekend and I couldn't be happier. The only thing that needs to be replaced right now is the rear sprocket so I wanted to ask what everyone else is running on their bikes...

Thanks!

I run the stock set up on my 2006 450. Remember that the larger the rear sproket the more bottom end you will have and vice versa. Most trail riders run a larger rear sproket than those who ride MX.

hey guys, i just picked up a 99 yz400 over the weekend and I couldn't be happier. The only thing that needs to be replaced right now is the rear sprocket so I wanted to ask what everyone else is running on their bikes...

Thanks!

Might consider changing both and the chain. Used on new will cost ya in the long run.

Yeah, she's gonna get a new chain at the same time. I'm just debating on what kind to get. I'll be riding trails so I might try one tooth over stock on the rear sprocket. Anybody have any brand preferences or suggestions?

replace with jt steel sprockets front and rear with a d.i.d. o-ring chain/regina orn6 o-ring chain

if you dont replace all at the same time they will have different wear patterns and will cost you all new once again

definately go with an o-ring chain and STEEL sprockets, aluminum wear really quickly, you can run a steel for a season +

definately go with an o-ring chain and STEEL sprockets, aluminum wear really quickly, you can run a steel for a season +

I have run the same Tag aluminum rear sprocket for well over a year now. JT steel is a budget product, and like most such products, you get what you pay for.

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