2008-2012 Raptor 250 11:0:1 74mm std bore x 58mm stroke (249cc) piston kit
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2008-2012 Raptor 250 11:0:1 74mm std bore x 58mm stroke (249cc) piston kit
|
Make |
Yamaha |
|
Engine Size |
250cc |
|
Model |
Raptor 250 |
|
Year |
2008-2012 |
|
Bore (mm) |
74mm |
|
Comp Ratio |
11.1:1 |
|
Piston Part Number |
M1060 |
|
Gasket Part Number |
C3223 |
|
Conrod Part Number |
N/A |
|
Pin Part Number |
669-1810-12CP1C |
|
Locks Part Number |
669x050 SWL |
|
Rings |
CPUA-2913 |
|
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 | 2008-2012 Raptor 250 11:0:1 74mm std bore x 58mm stroke (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 is the recommended bore clearance for the M1060 piston kit?
The recommended bore clearance for the M1060 piston kit should be set according to the specific engine build and application. Generally, a clearance of 0.0025" to 0.0035" is typical for performance applications, but always refer to the manufacturer's guidelines and adjust based on your specific tolerances.
What type of rings are included with the M1060 piston kit?
The M1060 piston kit includes CPUA-2913 ring sets, which are designed for optimal sealing and performance. Ensure you follow the recommended ring end gap specifications provided in the installation instructions for best results.
Can I use the M1060 piston kit with stock components?
While the M1060 piston kit is designed for improved performance, it is essential to consider the compatibility with your stock components. Ensure that your cylinder head and other engine parts can accommodate the increased compression ratio of 11:0:1 and that the engine is properly tuned for optimal performance.
What is the weight tolerance for the M1060 pistons?
The M1060 pistons are balanced to within +/- 1 gram, which is crucial for maintaining engine stability at higher RPMs. Ensure that your rotating assembly is also balanced to avoid vibrations and potential engine damage.
What material are the M1060 pistons made from?
The M1060 pistons are forged from high strength 2618 alloy, which offers excellent durability and performance characteristics. This material is ideal for high-performance applications where strength and heat resistance are critical.
