May 3, 2008 · The 06 only produced 34 hp it does have the af frame and is 10 pounds lighter and suspension isent that much better. I have had 10 yz 125 's all different years the 98 and 99 …

Aug 10, 2021 · are in the 45+ hp range all day long, but its a high rpm type of power, ...not so good for woods riding. Pipes are the magic / final point of how any 2 stroke runs, no matter …

Jul 18, 2020 · my yz125 is definitely more crisp and powerful (VForce 4 and procircuit pipe and silencer) Pro circuit pipe and silencer also spice up the power again jetting the key.(pilot …

Jul 25, 2016 · So I was reading a thread earlier and they were saying stock 1998 yz 125 motor gets 40 hp. Now wether true or not they're still pretty fast. I own a 1999 yz 125 and could not …

Jan 1, 2007 · The YZ125 is a two stroke competition motocross bike with over twice the peak horsepower and state of the art suspension. If you intend to race, it is the only choice. If you …

May 3, 2006 · just curious, but how much hp would a 98 yz125 w/ PC pipe and silencer, wiseco piston, boysen reeds, and uni air filter make? Oh, and yes it has been rejeted. thanks. Jump to …

Jul 30, 2019 · I have also owned a KTM 125sx 150sx and a older YZ125. If you're unfamiliar with what a 125X is go look it up then come back. I'm not going to go over all the changes they …

Dec 22, 2013 · The best engine modification for a yz125 is a 144cc bore and stroker kit, I know ATHENA makes a 144 top end kit with no crankshaft modification but only adds a couple …

Dec 22, 2023 · Picked up a 24 yz125x last week. So far this thing is awesome. I wanted a 125 to challenge and force me to become a better rider.

Oct 4, 2012 · HP kit is an athena,just fixes it up for $800? Eric Gorr is $500 and use your old stuff? Lastly-I am thinking about just sending the stock cylinder for a bore and replate for …