Do I need new reeds for my dirt bike?

Question

I got a 2004 kx250. 2 stroke, so it has reeds in the intake.

When my bke is wide open, either in 5 gear pinned, or wide open on a turn in 2nd.. when I let go of throttle, it hear like a suction noise. and some times, while I don;t even move throttle.

I was told maybe my problem.

Answer 1

Replacing the reeds will ALWAYS help the performance of any 2 stroke machine, espesially if you have never replaced them before.

Take off your exhaust pipe and inspect the piston and the rings. You will be able to see the piston and the rings with a flashlight, the take off the intake, where the reeds go, and inspect the piston that way as well, you may need a new top end. As far as the sucking noise goes, it may be jetting, a partially blow ring, or bad reeds. Spend the money and get it all done at once. But do not buy stock reeds from a dealership, instead ask for Boyesen racing reeds, the last longer, and are half the price....

Answer 2

ya you need some.that is not good.