Representative image (2026 model); the 2009 design may differ.
Yamaha YZ125 History
Yamaha YZ125 History & Generations Source: Wikipedia
Through 2004, the YZ125 had a single backbone frame made from steel. It generally averaged from 176 to 198 lb (80 to 90 kg).
. It is available to the public. To 1980, and liquid cooled
. It has a Mikuni 38 mm TMX series carburetor.
Added the first upside-down fork. A number of well known riders have chosen this as their go-to bike, such as AMA Champ Dom Barbuto and his brother Nick Barbuto, X-Games medalist Kyle Ford, and StinkBike Racing's own local Seattle legend Joey Merkin.
Year, Yamaha switched to a single backbone frame constructed from an aluminum alloy. This frame material change dropped the dry weight to 190 lb (86 kg).
Models, the wheel assemblies and front fork suspension were redesigned, yielding additional weight savings, making wet weight, no gas sub-200 lb. Aluminum-framed YZ125s are notably "flickable" and sometimes this trait is seen as a drawback since they tend to become more difficult to control on rough…
History text adapted from Wikipedia under CC BY-SA.
Yamaha YZ125 Technical specs
Yamaha YZ125 market reference value
Reference values from the monthly insurance value list published by the Insurance Association of Türkiye. New vehicles use the authorised distributor’s non-campaign list price; used ones use market averages.
Values are nominal Turkish lira; much of the rise reflects inflation. Switch to dollars or euros to see the real trend.
Source: Insurance Association of Türkiye, Kasko Değer Listesi, August 2026. These are reference values for insurers and carry no mileage, damage or condition breakdown.
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