white bros mufflers

Hey guys i have an 01 YZ426 with the stock head pipe and the pro meg muffler with 12 discs, i ride alot of enduro's i have the silencer core that white brothers sells, but no one seems to no what jets i should run. Hopefully you guys can help me out. Also i am looking for a head pipe for more low to mid range power. Thanks guys

If you're running the E-Series, the documentation says

that 7 discs is approximately the same size hole as the

stock silencer. Given that, you should no need to change

your jetting assuming it was correct with the stock unit.

elmo426yz, If you buy a new header pipe, will you sell me your 2001 stock header? THANX! ~Hit-man~ yz426f@msn.com

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00'YZ426F 00'XR50R LATER DAYS!!!

[This message has been edited by #1 Hit-man (edited September 25, 2001).]

For more low to mid, buy the tapered header. It's deisgn, is for what you ask.

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99 WR400f, YZ timed, MX-Tech suspension, Scotts steering damper, White Bros E-Series (12 discs), tapered header and a/f. Kouba T-handle for the fuel screw. Works Connection billet throttle tube and frame guards. Cycra Pro-Bend, triple clamp mount handguards. Thumper Racing rad guards, Renthal Jimmy Button highs, YZ Tank and IMS seat, YZ number plate, odo removed, de-octopussed (Thanks Clark) EKP #4, 50PJ, 175MJ, 100PAJ and 65 SJ at 500-1000' Thanks James Dean!

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