The OE tire sizes for the Honda Monkey 125 (2026 model) are 120/80-12 front / 130/80-12 rear. Below are tires in these sizes, compared across brands. OE rim widths are F2.75 / R3.50 (from official specs; used for the rim-width check). OE sizes can differ by model year and market — the sidewall of your own bike is the sure reference. This is a Japanese-market lineup; the sizes themselves are international.
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Front + rear set: 1 model can cover both ends (matching sizes in bold, based on F=120/80-12 / R=130/80-12). Shop links search on the model name alone.
Michelin's scooter benchmark, “built for confidence on every road surface,” with OE fitments at Yamaha and others noted in the catalogue. REINF sizes take higher pressures for more load capacity. Broad 10–16 inch coverage that takes in the NMAX and ADV160 OE sizes and the Monkey 125's front.
Sizes: F 110/70-11, 110/70-13, 110/90-13, 120/70-13, 120/70-15, 110/70-16, 120/70-16 / R 120/70-10, 140/70-12, 140/60-13, 150/70-13, 100/90-14, 140/60-14, 140/70-14, 130/80-15, 140/70-15, 130/70-16, 140/70-16 / 100/80-10, 120/70-11, 110/90-12, 120/80-12, 130/60-13, 130/70-13, 90/90-14, 110/80-14, 120/70-14, 90/80-16, 100/80-16, 120/80-16 (front/rear split not stated officially)
Size 120/80-12: 1 exact, 1 in the same group. Shop links carry each tire’s own matching size.
Michelin’s catalogue cites “excellent wet performance.” A current bias tire for smaller machines; we list 110/70-17 and 140/70-17 (150/60-17 is not offered in Japan). Source is Michelin’s official 2026 catalogue PDF.
Sizes: F 90/90-10, 100/90-10, 90/90-12, 120/70-12, 130/70-12, 80/90-14, 90/90-14, 70/90-17, 80/90-17, 90/80-17, 100/80-17, 70/90-14, 110/70-17 / R 90/90-10, 100/90-10, 90/90-12, 120/70-12, 130/70-12, 80/90-14, 90/90-14, 70/90-17, 80/90-17, 90/80-17, 100/80-17, 100/90-14, 130/70-17, 140/70-17
Size 130/80-12: 0 exact, 2 in the same group. Shop links carry each tire’s own matching size.
Dunlop's scooter tire “built for grip and ride comfort you can trust in the rain.” 12–16 inch scooter sizes, and the 12-inch ones overlap the Grom family's OE sizes. Rear 130/70-12 and up are REINFORCED (extra load capacity).
Sizes: F 110/70-12, 110/90-12, 120/70-12, 110/70-13, 110/90-13, 120/70-13, 80/90-14, 90/80-14, 90/90-14, 100/80-14, 110/70-14, 110/80-14, 120/70-14, 120/80-14, 120/70-15, 80/90-16 / R 120/70-12, 130/70-12, 140/70-12, 130/70-13, 140/70-13, 150/70-13, 90/90-14, 100/90-14, 120/70-14, 140/70-14, 150/70-14