2009-2016 Honda CRF450R 12.5:1 96mm std bore x 62.1mm stroke (449cc) piston kit
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2009-2016 Honda CRF450R 12.5:1 96mm std bore x 62.1mm stroke (449cc) piston kit
|
Make |
Honda |
|
Engine Size |
450cc |
|
Model |
CRF450R |
|
Year |
2009-2016 |
|
Bore (mm) |
96mm |
|
Comp Ratio |
12.5:1 |
|
Piston Part Number |
MX2057 |
|
Gasket Part Number |
C3270 |
|
Conrod Part Number |
PSR8805A |
|
Pin Part Number |
S748-2000-15C |
|
Locks Part Number |
748x050 SWL |
|
Rings |
CPN2-2-3779 |
|
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 | 2009-2016 Honda CRF450R 12.5:1 96mm std bore x 62.1mm stroke (449cc) piston kit |
|---|---|
| Brands | CP Carrillo |
Delivery & Freight
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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 are the recommended piston to cylinder clearances for the MX2057 piston kit?
For the MX2057 piston kit, it's crucial to follow the supplied instructions for piston to cylinder clearances. Typically, a clearance of 0.0025" to 0.0035" is common for performance applications, but always verify with your specific engine build requirements.
What is the compression ratio of the MX2057 piston kit and how does it affect performance?
The MX2057 piston kit has a compression ratio of 12.5:1. This higher compression can improve throttle response and overall power output, but it also requires high-quality fuel and careful tuning to avoid detonation.
What type of rings are included in the MX2057 piston kit?
The MX2057 piston kit includes CP's CPN2-2-3779 ring sets, which are designed for optimal sealing and performance. Ensure proper ring end gaps are set according to the provided instructions for best results.
Can I use the MX2057 piston kit with stock conrods?
While the MX2057 piston kit can be used with stock conrods, it's advisable to inspect the conrods for strength and condition, especially if you're pushing the engine towards its performance limits. Upgrading to stronger conrods may be beneficial for reliability.
What machining processes should I consider when installing the MX2057 piston kit?
When installing the MX2057 piston kit, ensure that the cylinder bore is properly honed to match the piston size and that the ring gaps are set correctly. Additionally, check for any necessary adjustments to the crankcase and ensure the piston pin fitment is precise.
