Yamaha RX100

Active Yamaha Semi Sport Semi Sport

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Overview

Displacement

98 cc

Maximum Power

11 PS @ 7500 RPM

Maximum Torque

10.39 Nm @ 6500 RPM

Mileage

35 Kmpl (Approx)

Top Speed

100 km/h (Approx)

Weight

103 Kg

Fuel Tank Capacity

10.5 Liters

The Yamaha RX100 is a legendary lightweight two-stroke motorcycle known for its simple mechanical design, quick acceleration and distinctive exhaust note. The original RX100 was introduced in India in the 1980s and became one of Yamaha's most recognizable classic motorcycles. It uses a 98cc, air-cooled, single-cylinder two-stroke engine with a 4-speed gearbox. Original specifications and condition can vary by model year and market, and the motorcycle is no longer a current-production model.

Specifications

Bike Name	Yamaha RX100
Brand	Yamaha
CC	98
Bike Type	Standard
Model Year	1985–1996
Brand Origin	Japan
Made In	India
Assemble In	India
Launched Date	1985

Engine Type	2 Stroke, Single Cylinder
Displacement	98 cc
Maximum Power	11 PS @ 7500 RPM
Maximum Torque	10.39 Nm @ 6500 RPM
Bore	52 mm
Stroke	45.6 mm
Compression Ratio	6.7:1
Valves	N/A
Fuel Supply	Carburetor
No of Cylinders	1
Engine Cooling	Air Cooled
Starting Method	Kick
Engine Oil Grade	2T Oil
Engine Oil Capacity	N/A
Best Lube For	2T Engine Oil

Transmission Type	Manual
No of Gears	4
Clutch Type	Wet, Multi-Plate
Drive Type	Chain Drive

Mileage	35 Kmpl (Approx)
Top Speed	100 km/h (Approx)

Chassis Type	Tubular Steel Frame
Front Suspension	Telescopic Fork
Rear Suspension	Twin Shock Absorber

Front Brake Type	Drum Brake
Rear Brake Type	Drum Brake
Front Brake Diameter	N/A
Rear Brake Diameter	N/A
Anti-Lock Braking System (ABS)	Drum
Braking System	Drum

Front Tyre Size	2.75-18
Rear Tyre Size	3.00-18
Tyre Type	Tube Type
Wheel Type	Spoke

Overall Length	1965 mm
Overall Width	740 mm
Height	1040 mm
Ground Clearance	136 mm
Weight	103 Kg
Fuel Tank Capacity	10.5 Liters
Wheelbase	1245 mm
Seat Height	765 mm

Battery Type	Lead Acid
Battery Voltage	6V
Head Light	Halogen
Tail Light	Bulb
Indicators	Bulb

Speedometer	Analog
Odometer	Analog
RPM Meter	Analog
Handle Type	Tubular Handlebar
Seat Type	Single Seat
Passenger Grab Rail	Yes
Engine Kill Switch	No
Additional Feature	Lightweight chassis, two-stroke engine, kick start, classic styling.

Frequently Asked Questions

The Yamaha RX100 is a lightweight classic two-stroke motorcycle that became popular for its simple design, quick acceleration and distinctive character.

The Yamaha RX100 has a 98cc single-cylinder, air-cooled two-stroke engine.

The Yamaha RX100 is commonly specified at around 11 PS at 7500 RPM.

The Yamaha RX100 comes with a 4-speed manual transmission.

The Yamaha RX100 is commonly reported to reach around 100 km/h, depending on condition and specification.

Pros & Cons

Good Things

Lightweight construction makes the RX100 easy to handle.
Simple two-stroke engine design is mechanically straightforward.
Strong acceleration for its engine size.
Classic Yamaha styling and strong enthusiast appeal.
Easy-to-understand 4-speed manual transmission.

Could be Better

The original two-stroke design produces higher emissions than modern four-stroke motorcycles.
Older examples can require restoration and maintenance.
Drum brakes are basic compared with modern braking systems.
No modern ABS, fuel injection or electronic rider aids.
Original parts and well-preserved examples can be difficult to source.