KX125 Cylinder Repair – Precision Machining for High-Rev 2-Stroke Engines
The Kawasaki KX125 is known for its aggressive powerband and high RPM operation, which places significant demands on the cylinder.
Wear, scoring, or compression loss can quickly affect performance and reliability. In these cases, resleeving provides a durable and serviceable repair option.
MotoMonk offers a dedicated KX125 cylinder repair service, utilizing model-specific cast iron sleeves, precision finish honing, and properly chamfered ports to restore correct geometry, sealing, and long-term durability.
YOUTUBE Video how we sleeve a Nikasil cylinder.https://www.youtube.com/watch?v=Ma68gdH2QQY&t=190s
Why Choose MotoMonk for Your Kawasaki KX125 Cylinder Repair?
Extensive experience with KX125 and competitive 125cc 2-stroke engines
Precision resleeving performed with controlled tolerances
Focus on port edge durability and consistent piston clearance
Clear inspection feedback before any machining work is performed
Kawasaki KX125 Cylinder Repair / Resleeve
✅ Cylinder sleeved with a model-specific cast iron sleeve
✅ Precision machining for sleeve installation
✅ Port chamfering after sleeving
✅ Final bore & professional honing on our Sunnen honing machine
✅ Cylinder deck machined for optimal gasket surface👉 Optional: Porting services are available upon request. Please contact us before work begins if porting is desired.
What’s Not Included
All parts (including the sleeve)
Piston, rings, bearings, studs, gaskets, seals
Power valve service, cleaning, or repair
Shipping & handlingCylinders must arrive fully stripped. Studs, gaskets, power valve components, and all attachments must be removed. Cylinders received assembled will incur additional labor charges.



