Stage 1 hot cam with new OEM rockers?

Hi guys

 

Just wanted to know if i can use new OEM rockers with a new hot cam?

Or is there a aftermarket rocker that is up to it?

 

What do you all think about the stage one cam with the 310cc kit?  Will I have more or less bottom end than the stock 250?

Also What do you think about the xr only header with this combo? If i use the header as well will i lose more bottom end?   

 

I Want to set this bike up for hard enduro so good bottom end is important to me.

 

 

Thanks for your help I am new to rebuilds. 

If the XRs Only header i.d. is bigger than stock, then, yes, that usually means a loss of torque over that of stock.

 

You don't say whose cam, so I assume Hotcams. This is a link to the stage 1 for an XR250. It's says it's a midrange to top cam.

http://www.hotcamsinc.com/ProductInfo.aspx?item_id=8

 

The 310cc may offset any low end loss, don't know. Will take someone that has done what you're considering to tell you for sure.

Use the stock cam, big tube header. More low end then you know what to do with.BTR

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