2010-2013 Honda CRF250 14.0:1 76.8mm std bore x 53.8mm stroke platinum series1mm smaller pin/ 2mm longer rod (249cc) piston kit
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2010-2013 Honda CRF250 14.0:1 76.8mm std bore x 53.8mm stroke platinum series1mm smaller pin/ 2mm longer rod (249cc) piston kit
|
Make |
Honda |
|
Engine Size |
250cc |
|
Model |
CRF250R |
|
Year |
2010-2013 |
|
Bore (mm) |
76.8mm |
|
Comp Ratio |
14.0:1 |
|
Piston Part Number |
MX2P71C |
|
Gasket Part Number |
C3288-EST |
|
Conrod Part Number |
Custom |
|
Pin Part Number |
S591-1650-13C |
|
Locks Part Number |
591x040 SWL |
|
Rings |
CP7680C |
|
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 | 2010-2013 Honda CRF250 14.0:1 76.8mm std bore x 53.8mm stroke platinum series1mm smaller pin/ 2mm longer rod (249cc) piston kit |
|---|---|
| Brands | CP Carrillo |
Delivery & Freight
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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 are the specific machining requirements for the MX2P71C piston kit?
The MX2P71C piston kit requires careful attention to bore clearance and ring gaps. Ensure that the bore is honed to the correct specifications for a 76.8mm piston and that the ring gaps are set according to the supplied instructions. Proper machining will help achieve optimal performance and reliability.
Can I use the MX2P71C piston kit with the stock conrod?
The MX2P71C piston kit is designed for use with a custom conrod that accommodates the 1mm smaller pin and 2mm longer rod. Using the stock conrod may not provide the correct fitment and could lead to performance issues or engine damage.
What compression ratio does the MX2P71C piston kit provide?
The MX2P71C piston kit offers a compression ratio of 14.0:1. This high compression is suitable for performance applications but requires careful tuning and high-quality fuel to prevent detonation.
What materials are used in the MX2P71C piston kit?
The MX2P71C piston kit is forged from high-strength 2618 alloy, which provides excellent durability and performance under high-stress conditions. The pistons are also fully CNC machined and balanced to +/- 1 gram for precision.
What components are included in the MX2P71C piston kit?
The MX2P71C piston kit includes two pistons, ring sets, wrist pins, and clips. This complete kit is designed for easy installation and optimal performance in your Honda CRF250R.
