Zenoah G240 G270 Big Bore Up Kit - 9665-08401 - G290 Replacement
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Engines
Description
This kit is primarily designed for the Zenoah G290RC engine, but it is often used as a performance upgrade or repair kit for several engines in the same family.
The 9665-08401 kit fits the following engine configurations:Zenoah G290RC: This is the direct factory replacement kit for the standard 28.5cc 4-bolt engine.
Zenoah G240RC & G270RC: It can be used as a Big Bore Upgrade for these engines, increasing their displacement to 28.5cc.
Chung Yang (CY) Engines: It is also compatible with most CY290 and other 4-bolt "RC" style crankcases (like those found in the HPI Baja or Losi 5IVE-T), provided they utilize the standard 28mm stroke crankshaft.
What’s Included in the Kit
This is a comprehensive "top-end" refresh package that typically includes:Cylinder: 36mm bore with a 4-bolt mounting pattern.
Piston: 36mm lightened piston.
Piston Ring: High-tension performance ring.
Hardware: Piston pin, needle bearing, and two snap rings (circlips).
Gasket: Cylinder base gasket.
Technical Note: Because this is a 4-bolt cylinder, it will not fit older 2-bolt crankcases (like the G230RC or G260RC). You must have a 4-bolt crankcase to use this specific part number.
The 9665-08401 kit fits the following engine configurations:
What’s Included in the Kit
This is a comprehensive "top-end" refresh package that typically includes:
Technical Note: Because this is a 4-bolt cylinder, it will not fit older 2-bolt crankcases (like the G230RC or G260RC). You must have a 4-bolt crankcase to use this specific part number.
More Information
| Part Number | ZEN966508401 |
|---|---|
| Manufacturer | Zenoah |
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