Yamaha Rx 135 Service Manual Jun 2026

The Yamaha RX 135 remains an absolute legend among motorcycle enthusiasts. Known for its iconic two-stroke exhaust note, sharp throttle response, and remarkable power-to-weight ratio, this motorcycle has achieved cult status. Whether you own a classic 4-speed model or the highly sought-after 5-speed variant, keeping this machine running in peak condition requires precise technical knowledge.

A: Start your search on dedicated motorcycle forums and communities like xBhp.com or carsdbs.com. Members often share these documents through cloud storage links or can point you to a trusted archive. Exercise caution on general PDF archive sites, as they may host outdated or incorrect versions of the manual.

You can occasionally find printed or digital versions of the manual for sale on these platforms. Search for the full model name, including "Yamaha RXG 135 1L5 Service Manual". Be sure to check seller ratings and product descriptions carefully to ensure you are buying a genuine, high-quality product and not a bootleg copy with missing pages.

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Detailed Illustrated Parts List and 4TL6 Catalogue are available on Scribd.

Achieving the correct air-fuel mixture prevents the engine from running too lean (which causes overheating) or too rich (which causes spark plug fouling).

The Ultimate Yamaha RX 135 Service Manual Guide: Keep Your Two-Stroke Screamer Running Like New The Yamaha RX 135 remains an absolute legend

Owning a two-stroke motorcycle requires a different approach to maintenance compared to modern four-strokes. The RX 135 is straightforward, but improper maintenance—such as wrong oil mixture, incorrect carb tuning, or ignored gearbox oil changes—can lead to catastrophic engine failure. The factory service manual provides:

The service manual provides the technical backing for some of the most common tasks associated with RX 135 ownership.

Autolube pump system or pre-mix (recommended ratio of 40:1 if the pump is bypassed). 2. Routine Maintenance and Tune-Up Schedule A: Start your search on dedicated motorcycle forums

The core of the service manual revolves around the 132cc, air-cooled, two-stroke engine. The manual distinguishes between two major variants: the 4-speed (standard) and the 5-speed (RX-135 5-speed/RX-Z), which feature differing port timings and compression ratios.

A great engine is nothing without a stable and safe chassis. This part of the manual covers the front and rear suspension systems. It provides instructions for servicing the telescopic hydraulic front forks and the 5-step adjustable rear hydraulic shock absorbers, as well as procedures for wheel alignment and brake maintenance.

Wash the foam element in safe solvent, squeeze dry, and coat with fresh 2T oil.

4-speed or 5-speed constant mesh (depending on the model year). Ignition System: Capacitor Discharge Ignition (CDI). Maximum Power: 4-speed variant: 12 bhp @ 6,500 RPM. 5-speed variant: 14 bhp @ 7,500 RPM. Periodic Maintenance Schedule

Remove the drain bolt located at the bottom center of the engine.