Every 1,000 km or 3 months (whichever first):
Every 4,000 km or 12 months:
Every 8,000 km:
Every 2 years:
Dealerships charge $100+/hour. The UZ125 is so simple that a high school student with this manual can do 95% of the repairs. Here is how the manual helps with the five most common jobs. Suzuki Uz125 Service Manual
As the UZ125 ages, the valves tighten. You will hear a clicking sound or notice hard starting. Every 1,000 km or 3 months (whichever first):