UM Max 125 XL vs AJS Highway Star 125 (2021)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the UM Max 125 XLstacks up against the AJS Highway Star 125. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecUM Max 125 XLAJS Highway Star 125
Model year20212020
Price
Engine124 cc124 cc
Horsepower12 hp11 hp
Torque9 Nm9 Nm
Weight164 kg
Seat height32 mm28 mm
Fuel capacity3.2 L5.0 L
Fuel typepetrolpetrol
Transmission5-speed5-speed
Front brakesSingle discDouble disc
Rear brakesExpanding brake (drum brake)Single disc
Tires2.75-18 / 90/90-18 120/80-17 / 140/70-17

UM Max 125 XL vs AJS Highway Star 125 — which should you buy?

Picking between the UM Max 125 XL and the AJS Highway Star 125 usually comes down to the numbers you care about most. On paper, the UM Max 125 XL brings 12 hp, while the AJS Highway Star 125 counters with 11 hp at 164 kg.

Our spec tables above highlight the winning number on each line. For the full rider-focused reviews including real-world fuel economy, service costs and available colors, click into either bike: