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Blue smoke from the exhaust on a Aprilia RS 125 2026

Is your Aprilia RS 125 2026 showing "Blue smoke from the exhaust"? Here's the most likely cause, the checks to run, and the parts that fit your bike.

Technical bulletin

Aprilia RS 125 2026 — owner breakdown

The Aprilia RS 125 2026 is small-displacement 125cc two-stroke machine, catalogued from 1992 to 2012. Checks below are ordered for this bike.

Engine
125 cm³ · two-stroke
Category
small-displacement
Production years
1992–2012
Newest model year
2026

Catalog data and community feedback — indicative markers, not a workshop manual.

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⚠️ This tool helps you understand what's going on with your motorcycle; it doesn't replace the inspection or judgment of a certified mechanic. If in persistent doubt, if a safety-critical part is involved (braking, steering, bearings, transmission), or if the problem keeps recurring, have the diagnosis confirmed at a workshop before doing any work.

How to Fix Blue smoke from the exhaust on a Aprilia RS 125 2026 | Step-by-Step Guide · MotoDiagnostic