RM250 Cylinder Repair – Durable Big-Bore 2-Stroke Resleeving
The Suzuki RM250 is a high-output big-bore 2-stroke engine that places significant thermal and mechanical loads on the cylinder.
Severe wear, deep scoring can compromise durability and limit future service options.
MotoMonk provides a dedicated RM250 cylinder repair and resleeve service using a model-specific cast iron sleeve. This solution delivers strong port edge durability, stable bore geometry, and long-term serviceability for high-performance 250cc engines.
YOUTUBE Video how we sleeve a Nikasil cylinder.
https://www.youtube.com/watch?v=Ma68gdH2QQY&t=190s
Why Choose MotoMonk for Your Suzuki RM250 Cylinder Repair?
Extensive experience with Suzuki RM250 and other large-bore 2-strokes
Resleeving focused on durability under high load and temperature
Accurate bore geometry for consistent piston fit and power delivery
Future serviceability through standard oversize boring
Suzuki RM250 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.