2009 Honda CRF250R 13.5:1 79mm +1mm oversize bore x 52.2mm stroke (256cc) piston kit
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2009 Honda CRF250R 13.5:1 79mm +1mm oversize bore x 52.2mm stroke (256cc) piston kit
|
Make |
Honda |
|
Engine Size |
250cc |
|
Model |
CRF250R |
|
Year |
2009 |
|
Bore (mm) |
79mm |
|
Comp Ratio |
13.5:1 |
|
Piston Part Number |
M2064C |
|
Gasket Part Number |
C7189 |
|
Conrod Part Number |
PSR8822A |
|
Pin Part Number |
W630-1650-13CP1C |
|
Locks Part Number |
630x050 SWL |
|
Rings |
CP7900C |
|
Shelf (RPO) or Made to Order (MTO) |
MTO |
Proudly made in the USA by CP Carrillo Pistons!
- Fully CNC machined
- Balanced to +/- 1 gram
- Double forced pin oilers
- Forged from high strength 2618 alloy
- Designed for maximum performance, horsepower and reliability
- Complete kit includes two pistons, ring sets, wrist pins and clips
- Follow ring end gap and piston to cylinder clearances as per the supplied instructions
| Product Name | 2009 Honda CRF250R 13.5:1 79mm +1mm oversize bore x 52.2mm stroke (256cc) piston kit |
|---|---|
| Brands | CP Carrillo |
Delivery & Freight
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Disclaimer:
Product images are for description purposes only. Actual product may vary.
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If you are unsure, get in touch by emailing [email protected], messaging us on Facebook, or phoning us at +61 7 5645 1333 (8am to 2pm AET).
What information do I need to match these pistons to my engine?
You need the engine code, bore size, stroke, rod length, pin diameter and target compression ratio. These determine the correct piston compression height and crown design.
How should ring gaps be set for these pistons?
Ring gaps must be set by your engine builder based on fuel type, boost level and the intended rpm range. Forced-induction engines usually require larger gaps.
Are forged pistons suitable for street engines?
Yes. Forged pistons handle detonation and high cylinder pressure better than cast units. Your builder should set the piston-to-bore clearance to suit your application.
What is the recommended compression ratio for the M2064C piston kit?
The M2064C piston kit is designed with a compression ratio of 13.5:1, which is optimal for enhancing performance in the 2009 Honda CRF250R.
What are the machining requirements for installing the M2064C piston kit?
When installing the M2064C piston kit, ensure that the cylinder bore is properly honed to accommodate the 79mm oversize piston. Follow the manufacturer's specifications for piston-to-cylinder clearance and ring gap settings.
What materials are used in the construction of the M2064C pistons?
The M2064C pistons are forged from high-strength 2618 alloy, providing durability and performance under high-stress conditions typical in racing applications.
Does the M2064C piston kit include all necessary components for installation?
Yes, the M2064C piston kit includes two pistons, ring sets, wrist pins, and clips, providing a complete package for installation in the 2009 Honda CRF250R.
What is the significance of the double forced pin oilers in the M2064C pistons?
The double forced pin oilers in the M2064C pistons ensure improved lubrication to the wrist pin, enhancing reliability and reducing wear during high-performance operation.
