2008年5月3日 · The 99 YZ125 is the fastest stock 2T 125 made, hands down thats why i bought one, but i was coming from a rm125 that was a pastrana arenacross bike, and hands down the …

2021年8月10日 · 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 …

2020年7月16日 · 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 …

2016年7月29日 · 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 …

2007年1月1日 · 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 …

Read and compare owner reviews & ratings of Yamaha YZ125 1994. Vehicle specs, photos & video, pricing, and more!

2013年12月22日 · 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 …

2019年7月30日 · 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 …

2006年5月3日 · 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.

2013年10月4日 · Found a YZ125 motor that had. been used in a shifter kart, for. dirt cheap, and have a cylinder / top end off of a GP roadrace bike. Will take quite a bit of fabrication. and …