What category is the 2018 Yamaha Jupiter Z1?

General information
Category	Scooter
Model	Yamaha Jupiter Z1
Year	2018
Engine and Transmission Specifications
Clutch	Wet, Sentritugal, Multipat
Transmission type,final drive	Chain
Gearbox	4-speed
Cooling system	Air
Lubrication system	Wet
Ignition	TCI (Transistor Control Ignition)
Fuel control	Single Overhead Cams (SOHC)
Fuel system	Injection
Compression	9.3:1
Torque	9.90 Nm (1.0 kgf-m or 7.3 ft.lbs) @ 6500 RPM
Power	13.49 HP (9.8 kW) @ 7750 RPM
Engine type	Single cylinder, two-stroke
Capacity:	113.50 ccm (6.93 cubic inches)
Brakes, suspension, Frame and wheels
Rear brakes	Expanding brake (drum brake)
Front brakes	Single disc. Hydraulic.
Rear tyre	80/90-M17
Front tyre	70/90-M17
Rear Suspension	Swing Arm Double Suspension
Front Suspension	Telescopic
Frame type	Underbone

Physical measures and capacities
Fuel capacity	4.10 litres (1.08 gallons)
Wheelbase	1,240 mm (48.8 inches)
Overall width	680 mm (26.8 inches)
Overall length	1,935 mm (76.2 inches)
Overall height	1,065 mm (41.9 inches)
Seat height	765 mm (30.1 inches) If adjustable, lowest setting.
Power/weight ratio	0.1323 HP/kg
Dry weight	102.0 kg (224.9 pounds)
Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay
Electrical	YT27V battery.
Starter	Electric & kick
Color options	Green, red, blue, black, white

Performance Profile & Rider Fit

9.9 hp

Peak Power

Best For

Track5%

City90%

Cornering45%

Daily Riding88%

Touring25%

Passenger40%

Rider Profile

Best For	This is an ideal machine for beginners or anyone who simply wants stress-free, low-stakes transportation.
Purpose	Built as a practical commuter cub for short urban and suburban trips rather than performance or adventure riding.
Rider Fit	Its light weight and low seat height make it very easy and non-intimidating for smaller or less experienced riders to manage.
Character	A humble, no-nonsense workhorse that prioritizes fuel efficiency, reliability, and ease of use over excitement.
Not Ideal For	This is not the bike for riders seeking highway speed, long-distance touring comfort, or any kind of off-road capability.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2018 Yamaha Jupiter Z1 Rider Ergonomics Assessment

Your height

Inseam (optional)

Units

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Feet:

At 765mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2018 Yamaha Jupiter Z1, with a moderate knee angle of around 95 degrees and a slightly forward riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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