I was about to order the esr non power valve kit but read some mixed reviews.. Since the esr 310 kit sells at a good price 499$ i taught it would be a good deal.Is it worth it? or should i just get a new cool head and some port and polish work on my old cylinder.I would also get the cr250 intake and eliminator box.I also have a 38mm from a 2000 cr500, 86 base, 85 act 250r cylinder .040(1mm bore)long rod kit.The base has a new hot rod crank and i wanted to refresh my top end.Thanks
davidmulisha250r
Joined
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765 Posts
ESR 310 non pv cylinders are by far the est bang for your buck. The TRX9 port work I had was not shabby. It does have tons more potential though. I just pulled my cylinder off and shipped it to Neil for his ultra mid range port work. I am looking forward to blowing the pants off some big four pokes at buttercup. My 310 with mods listed in my sig did much better than my ported stock cylinder. Other than shear power the biggest noticable difference was the torque gain and the ability to lug the bike a little.
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