RX 135
1987 Yamaha RX 135 Technical Analysis & Specification Breakdown
Positioned in Yamaha's allround motorcycle lineup, the 1987 Yamaha RX 135 utilizes a 132 cc (8.1 cu in) oil & air-cooled single cylinder, two-stroke layout. In factory specification, peak output is rated at 11 HP (8 kW), transferring power to the rear wheel through a 4-speed gearbox and chain final drive. With a specific output of 83.3 HP per liter, the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.
On the scales, the RX 135 measures 109 kg (240 lbs) dry, translating to a power-to-weight ratio of 0.1 HP/kg (9.91 kg per horsepower).
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