Pictures. Specifications. A YZ250F four-stroke is around 38 horsepower, which means that the 125 has a power-to-weight ratio that’s 2 percent better. Thanks a lot. At the time, Honda owned the 125 class with the CR125M Elsinore, but the two Yamaha 125s were at least in the game. It does have more bottom-end power than any other 125 two-stroke I’ve ridden. Member. No. The notable exception would be Yamaha's new generation 125. Due to weather didn't get the most footage. Yamaha YZ 125 2003 Motorcycle Photos and Specs. Another cool option woudl be to get with Cory and drill him abot his 06 fork project. The YZ125 may not have the torque that the 250F does, but it has the horsepower to make up for it. Get the latest Specifications for Yamaha YZ 125 2003 Motorcycle from mbike.com! I just broke in the bike last week, and took it out for a trail ride. 6 The Yamaha YZ125 makes 35 horsepower. Discussions. With 150 pounds of rider and fuel on each bike, the 250 is 2 percent better. Thread starter Danny23; Start date Jun 17, 2003; Danny23. So just tell me whatever you can. Does that mean it can out-accelerate a 250F? I just bought a JT 15T sprocket, upgrading from a stock 13T and i wanted to know if i can just slap that on without getting a new chain, because i dont want to ruin anything. A 2003 yz 125 with 06 forks woudl be as good or better than any 125 out there today. 1984 YZ125. 2003 YZ125 Jetting Trouble. Rating. For the first two years it was made with dual rear shocks, then changing to a monoshock. Well, after 1 tank of gas and 12 fouled spark plugs, I am convinced the stock jetting is rich. That bike has to be ridden to be believed. The 2003 YZ125 is a great bike with little improvements that make it an even better bike than last year's, and that won the 125 shootout. Not for the power, but for the light weight. 2020 Yamaha YZ125 Horsepower. 2005-2010 Yamaha YZ125 Rev Pipe And Round Silencer Price: Pipe $255.00 in raw finish, $276.00 for plated, silencer $111.00 Weight: 5.25 lb They said: The new DEP YZ125 Rev system is designed to increase peak horsepower starting in the midrange and increasing heavily through the top of the power range with solid overrev. The Yamaha YZ125 is a motocross racing motorcycle with a two-stroke 124.9 cc (7.62 cu in) displacement single-cylinder engine made by Yamaha since 1974. So i have a 2003 YZ125, What is the size of the chain i need for this bike? The YZ125 has been ridden to five AMA National Motocross Championships, and multiple AMA Regional Supercross … Had the two bikes available to do a little comparison. Joined Jun 7, 2003 Messages 14 Likes 0. Mike In this version sold from year 2002 , the dry weight is 87.5 kg (192.9 pounds) and it … Plus, it had the cool strap on the tank. 2019 YZ 125 vs 1999 YZ 125. But it is no 250F, though, is it? Yamaha’s 125 is known for it’s do-it-all engine. Jun 17, 2003 #1. It is available to the public. 2020 Yamaha YZ125 Horsepower – Modern, aggressive design, including front fender, front figure plate, radiator condoms, side number plates, air box, rear fender, and fork guards, as well as rear brake disc protector, rear brake protector calipers and wider foot wedges – just like 4 -Strokes.. When you add riders of equal weight, the picture changes. Jun 17, 2003 #1. The YZ125 sold for $110 more than the MX and had more peak horsepower and a number of lighter parts. The 2004 Yamaha YZ 125 and all other motorcycles made 1894-2021. The Yamaha YZ 125 model is a Cross / motocross bike manufactured by Yamaha .