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Yamaha Jupiter Z1: repairs, problems and specs

The Jupiter Z1 is an Indonesian underbone with a 4-stroke SOHC fuel-injected engine. Reported figures for the 2023 model are 9.9 hp and 9.8 Nm.

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Power9.9 hp
Torque9.8 Nmat 6750 rpm
Weight101 kgwet
Fuel tank4.1 litres
Seat height765 mm

Figures for the 2023 model. Other years and markets can differ; check your bike's manual.

Good to know

  • Seat 765 mm, tank 4.1 L

For repairs: Displacement listed as 113.7 or 124.7 cc depending on source, so not recorded.

Top repairs for the Yamaha Jupiter Z1

The jobs that keep a underbone bike like this safe and running, from rider checks to workshop jobs. These are routine maintenance and common checks for this type of bike, not a ranking of faults.

Check your version first. Confirm semi-automatic versus manual clutch, brake types, chain and sprocket dimensions. Use the values in your bike's manual.

Problems to check on the Yamaha Jupiter Z1

Something else is wrong? Use the diagnostics tool →

More Yamaha bikes

All Yamaha bikes →

Other underbones and step-throughs

Sources

Repair and part links are general guides for this type of bike; exact fitment is not verified. Text CC BY-SA 4.0, Transitions Lab.