Yamaha Rx 135 Service Manual !!link!!
132cc, air-cooled, two-stroke, single-cylinder. Bore and Stroke: 58.0 mm × 50.0 mm. Compression Ratio: 6.4:1.
Check for fuel flow from the tank petcock. Ensure the carburetor float needle is not stuck closed. yamaha rx 135 service manual
The Mikuni carburetor dictates how crisply your RX 135 revs. A misconfigured carburetor causes bogging, overheating, or spark plug fouling. Setting the Air-Screw (The "Sweet Spot") Warm up the engine to operating temperature. 132cc, air-cooled, two-stroke, single-cylinder
Check compression; replace the copper or aluminum head gasket. Lean fuel/air mixture Check for fuel flow from the tank petcock
The Ultimate Yamaha RX 135 Service Manual: A Comprehensive Guide to Maintaining the 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: