YZ125 134cc engine mod

atrdrvr7
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426
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1/15/2013
Location
Houston, TX US
atrdrvr7
Anyone recomend a engine builder for a 134cc mod on a yz125. Not looking for anything crazy. Just want to make the bike a little more competitive. Would also like to keep the bike reliable as possible.
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mwilcox349
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423
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4/1/2015
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TX US
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mwilcox349 5/21/2019 8:04pm
5/21/2019 8:04pm
JM racing. John knows how to make those bike fast. He'd definitely make it competitive.
-eagle-
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5/9/2008
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ZW
-eagle- 8/20/2019 12:10pm
8/20/2019 12:10pm Edited Date/Time 8/20/2019 12:12pm
What jetting specs are you guys using on a fresh plated 56mm?
05 yz, fmf full exhaust, boyesen superstock reeds.
sgrimmxdad
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7/23/2013
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Farmville, NC US
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sgrimmxdad 8/21/2019 3:03am
8/21/2019 3:03am
Barr Competition, Bob Barr!! Our 134 is sick!

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