YZ125 134cc engine mod

atrdrvr7
Posts
426
Joined
1/15/2013
Location
Houston, TX US
5/21/2019 1:07pm
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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5/21/2019 2:07pm
I believe it’s Max Power that sells a 134 kit I’ve heard a lot of good about

The Shop

mwilcox349
Posts
419
Joined
4/1/2015
Location
TX US
Fantasy
89th
5/21/2019 8:04pm
JM racing. John knows how to make those bike fast. He'd definitely make it competitive.
soggy
Posts
4808
Joined
12/3/2018
Location
UT US
Fantasy
3783rd
5/21/2019 9:13pm
tom morgan
-eagle-
Posts
1603
Joined
5/9/2008
Location
ZW
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
Posts
1489
Joined
7/23/2013
Location
Farmville, NC US
Fantasy
2109th
8/21/2019 3:03am
Barr Competition, Bob Barr!! Our 134 is sick!

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