jetting with closed airbox lid

I know Im detuning but its getting annoying riding with an open airbox. I ordered a closed lid cuz sucking in water is not fun. I have the chain drive apart and im waiting for my 13t front sprocket to come in. That should make up for any torque loss with the closed box right?

My questions are, while I have the carb apart for its winter cleaning do I have to rejet for the closed lid? It already has a Dynojet stage 2 kit in it. Also should I go back to the colder spark plug (DPR8Z). In there already is a DPR9Z

Yay!! my 13T finally came in tonight. hopefully next week I get the 22" rear tires.

Where is the post miner!!

Originally Posted by marioweldinginc Where is the post miner!!

lol idk i havent seen him on here recently....... let me know how much top speed u loose with that 13t sprocket!

Originally Posted by jerod400ex lol idk i havent seen him on here recently....... let me know how much top speed u loose with that 13t sprocket!

I will probably lose about the same top speed as the 14T because I am also stepping up to a 22" rear tire. I wanted the torque of a 14T but with the taller tire it would be like resorting back to the stock 15T. A bigger rear sprocket is out of the question as Im trying to gain ground clearance.

Originally Posted by marioweldinginc I will probably lose about the same top speed as the 14T because I am also stepping up to a 22" rear tire. I wanted the torque of a 14T but with the taller tire it would be like resorting back to the stock 15T. A bigger rear sprocket is out of the question as Im trying to gain ground clearance.

i see...... let me no the torque difference and if ya like it

you should always re-jet when you are dealing with power/torque upgrades.

I`d loose the air lid !!! Get an after market one You will notice a difference !!

Originally Posted by BryanMS you should always re-jet when you are dealing with power/torque upgrades.

This is more of a downgrade. I have the stage2 dynoje kit in there now for the WB slip on, k&n filter and open airbox.
My question is should i downgrade (rejet) to compensate for closing the airbox?

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Originally Posted by quadnut20 I`d loose the air lid !!! Get an after market one You will notice a difference !!

No way i suck up way too much water now. Its only a matter of time before i do some damage. I drain the airbox approx every half hour and it always has alot.of water in it.

No sand dunes by me only wet trails :-(

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