Athena 130cc big bore cylinder kit for Honda MB, MT, MTX 80, MTX 130, Simson. Scope of delivery as shown.
In order to use the kit, the opening of the engine housing must be reworked! When used with Simson M500 engine cases, we recommend a crankshaft with 52.5mm stroke / 100mm connecting rod to keep the workload as low as possible.
- Material of the cylinder: aluminum
- Type of cooling: air-cooled
- Bore: 57mm
- Stroke: 50.8mm
- Capacity: 129ccm
- Compression ratio: 7.5:1
- Piston pin diameter: 14mm
- Number of transfer ports: 5
- Shape of the piston crown: domed
- Number of piston rings: 1
- Piston ring: chrome-plated
- Outlet: 1x oval
In order to use the kit, the opening of the engine housing must be reworked! When used with Simson M500 engine cases, we recommend a crankshaft with 52.5mm stroke / 100mm connecting rod to keep the workload as low as possible.
