Used Yamaha
Used Yamaha YZ125 for sale
The Yamaha YZ125 is a 125cc two stroke motocross bike, built for the track and sold on hours rather than kilometres.
9 Yamaha YZ125s are listed on MWMX right now (2006 to 2025 models), asking $3,800 to $8,800, most around $7,000. Every listing shows the hours, photos and where the bike is, and you can message the seller or make an offer without an account.
A Yamaha YZ125 is cheap to keep but ask when the piston was last done: a race two stroke wants a top end every 20 to 40 hours. Check for a clean, unscored bore, a working power valve, no crank seal leaks (smoke on the pipe side, or gearbox oil going down) and that the pipe is not caved in. Ask for the service history (members log theirs in the MWMX Digital Garage and it shows on the listing), look at the hours against the price, and check the frame and swingarm for cracks, the fork seals for weeping and the linkage and steering head bearings for play.
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Good to know
- How much is a used Yamaha YZ125?
- The Yamaha YZ125s listed on MWMX today are asking $3,800 to $8,800, with most around $7,000. Year, hours and whether it has been raced move the price more than anything else; a bike with a logged service history sells faster and for more.
- How many hours is a lot on a Yamaha YZ125?
- Hours on a two stroke are about the top end, not the bike: a fresh piston resets the clock. Under 20 hours since a top end is fresh; the bottom end (crank and main bearings) is good for 150 to 250 hours on most two strokes before it wants doing.
- What should I check before buying a used Yamaha YZ125?
- A Yamaha YZ125 is cheap to keep but ask when the piston was last done: a race two stroke wants a top end every 20 to 40 hours. Check for a clean, unscored bore, a working power valve, no crank seal leaks (smoke on the pipe side, or gearbox oil going down) and that the pipe is not caved in. Ask for the service history (members log theirs in the MWMX Digital Garage and it shows on the listing), look at the hours against the price, and check the frame and swingarm for cracks, the fork seals for weeping and the linkage and steering head bearings for play.
- Can I buy a Yamaha YZ125 on MWMX without an account?
- Yes. Every listing is public: message the seller, make an offer or apply for finance straight from the page. An MWMX account adds saved searches, a Digital Garage for the service history and member pricing on parts once you own it.
- How do I sell my Yamaha YZ125 on MWMX?
- List it free from the Sell page in about five minutes: photos, hours, location and your price. No listing fee and no sale fee on bikes. The listing goes out to riders looking for a YZ125 and the MWMX Marketplace ads on Google.
Selling a Yamaha YZ125?
List it free on the MWMX Marketplace. No listing fee, no sale fee, and buyers who actually ride. Takes five minutes.
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