High-grade complete replacement engine cylinder assembly engineered to restore or upgrade worn, scored, or damaged top-ends back to factory specifications. Manufactured from high-tensile cast aluminum with a precision-machined bore and durable electro-plated carbide-silicon composite coating, providing superior wear resistance, excellent heat transfer properties, and long-lasting durability under severe high-RPM two-stroke thermal loads.
Specs & Details
- Manufacturer Part Number: 190-70004
- Application Type: Off-Road / Motocross Engine Internal Component (Complete Cylinder)
- Bore Size: 54.00 mm (Standard Stock Bore)
- Material: Cast aluminum with plated bore
Vehicle Fitment
| Make | Model | Engine Type | Year Range |
| KTM | 85 SX | Two-Stroke Motocross | 2003–2017 |
| Husqvarna | TC 85 | Two-Stroke Motocross | 2014–2017 |
| GasGas | MC 85 | Two-Stroke Motocross | 2021–2023 |
TSO Garage Note: Namura Part #190-70004 is a complete drop-in replacement cylinder featuring a standard 54.00mm bore. It eliminates the downtime and hassle of stripping, welding, and re-plating damaged stock cylinders, providing a fresh, ready-to-bolt-on top-end foundation for youth 85cc race builds.
Compatibility
Fetching compatibility details...
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