TM Kart Engine OK-S3 Senior

The TM Kart OK-S3 Senior is a 125 cc, 2-stroke direct-drive engine developed by TM Racing for the CIK-FIA OK category. It is designed to deliver maximum performance, strong high-rpm power, excellent reliability and low running costs, making it one of the top choices for teams competing at national and international level.

Included Accessories

✔️ TM OK-S3 Senior engine
✔️ Ignition coil
✔️ CDI unit
✔️ Ground cable
✔️ Exhaust springs

Accessories not included

❌ Engine plate
❌ Exhaust
❌ Carburettor
(Available separately on our website in the dedicated section)

Technical Specifications

🔵 Displacement 124.36 cc (bore 53.95–54.08 mm, stroke 54.40 mm)
🔵 CIK-FIA OK category (Senior)
🔵 Reed-valve intake
🔵 Single-cylinder 2-stroke direct-drive
🔵 Liquid-cooled
🔵 Maximum RPM above 15,000

Advantages

🔵 Top-level performance for racing use
🔵 Robust mechanical construction with low maintenance needs
🔵 Ideal torque and power for experienced drivers
🔵 Stable and consistent performance even in the toughest races