Rx 135 Service Manual - Yamaha
Autolube pump system (or 30:1 pre-mix ratio if bypassed) Critical Torque Settings
A four-stroke engine can survive low oil or sloppy clearances. A two-stroke cannot. The RX 135’s engine relies on precise (the gap between piston crown and cylinder head). The service manual specifies exactly 0.7mm to 1.0mm. Too tight? Piston kisses the head. Too loose? Detonation destroys your piston crown.
In 2024, the Yamaha RX 135 is no longer in production. Genuine carburetor parts are scarce; cylinder kits are often aftermarket replicas of dubious quality. Against this backdrop, the service manual has evolved from a workshop tool into a preservationist’s Bible. Online forums dedicated to the RX series constantly reference “page 4-12” or “Table 3-1.” Experienced mechanics upload scanned copies, while purists hunt for original Yamaha prints.
After replacing fork seals, the manual has a specific alignment procedure using the axle as a jig. Skip this, and your RX will wobble at 90 km/h like a shopping cart. yamaha rx 135 service manual
Readjust the idle speed screw counter-clockwise to bring the idling speed back down to a steady 1,300 RPM. 4. Electrical System and Ignition Timing
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28 PSI (Solo) / 32 PSI (With pillion passenger). Critical Torque Values Autolube pump system (or 30:1 pre-mix ratio if
Inspect the spark plug condition. Check the ignition coil ground connection and high-tension lead. Test the stator coil resistance.
Clean mud, dirt, and debris from the cylinder and head cooling fins. Worn friction plates Measure plate thickness; replace if below the 2.7 mm limit. Weak clutch springs
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 Exercise caution on general PDF archive sites, as they may host outdated or incorrect versions of the manual. The service manual specifies exactly 0
If you are working on your bike right now, here is the critical data you likely need:
Understanding the precise engineering metrics of your RX 135 is the first step toward successful maintenance. Deviating from these factory parameters can result in power loss or catastrophic engine failure. Powerhead and Cylinder 132cc, 2-stroke, air-cooled, single-cylinder. Bore and Stroke: 58.0 mm x 50.0 mm. Compression Ratio: 6.4:1. Idling Speed: 1,300 RPM (+/- 50 RPM). Transmission and Lubrication