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Eric Gorr KX265 with Mo Better Porting
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Posted by: bscottr---------------------

I'd say it's a little stronger than stock, but the power band is awesome with the Mo Better porting. It's hard to tell where most of the improvement comes from, the porting or 265. The 265 makes it pull hard off the bottom and the porting made the power band very wide. I can pull a gear higher than I should at times and not bog. I run 13/50 gearing for the woods and now when I tap out at WFO it could use a 6th gear. I may try to run the stock 13/48 gearing to see how it pulls and over-revs. If you've ridden a 500 the power band is similar, very linear.
Eric's work? Very, very good. I highly recommend him. The kit you'll receive is complete, gaskets and all. Replacement parts are very reasonable.
The down side? He's super busy right now as you may have noted from his web site. I touched base with him several times while he had my stuff and each time he was very pleasant to talk to. If your bike can wait 4-6 weeks longer before you send him your stuff, that will help him get over his mound of work. He told me that in one week he received 5 weeks worth of work!

I hope this helps someone.

Scott

Thanks Eric for the fine work.

Posted by: Senior KX Rider---------------------

Quote:

Originally posted by bscottr
. I run 13/50 gearing for the woods and now when I tap out at WFO it could use a 6th gear. I may try to run the stock 13/48 gearing to see how it pulls and over-revs. If you've ridden a 500 the power band is similar, very linear.

I ran 13/50 before I got the 310 kit. Now I run 13/47 and it easily pulls it.

If I know I'm going to run a lot of wide open stuff, I run 14/47.

Posted by: bscottr---------------------

Senior,
Thanks for the insight. I believe I'll swap back to the 13/48 for the weekend and give it a try. You're right, I also think it will pull the higher gears with no problem. I'll post a report after I try it.
BTW, which porting did you go with?

Thanks,
Scott

Posted by: Senior KX Rider---------------------

I had Eric port it for more power everywhere.

Posted by: bscottr---------------------

Me too and I love it!

Posted by: Senior KX Rider---------------------

He does know how to get the best out of the KX motors.

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Eric Gorr KX265 with Mo Better Porting

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