2004-2020 Yamaha YFZ450 14.0:1 95mm std bore platinum series 1mm smaller pin/ 3.5mm long rod, profiled pin bore pro race piston kit
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2004-2020 Yamaha YFZ450 14.0:1 95mm std bore platinum series 1mm smaller pin/ 3.5mm long rod, profiled pin bore pro race piston kit
|
Make |
Yamaha |
|
Engine Size |
450cc |
|
Model |
YFZ450 / YFZ450R |
|
Year |
2004-2020 |
|
Bore (mm) |
95mm |
|
Comp Ratio |
13.75:1 439cc 14.0:1 449cc |
|
Piston Part Number |
MX1P27-P |
|
Gasket Part Number |
YFZ450 C3066 YFZ450R C7908 |
|
Conrod Part Number |
04-05 Custom 06-07 Custom 09-20 PSR8802 |
|
Pin Part Number |
DLC-748-1850-15T3C |
|
Locks Part Number |
748x050 SWL |
|
Rings |
CP9500C |
|
Shelf (RPO) or Made to Order (MTO) |
ROP |
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 | 2004-2020 Yamaha YFZ450 14.0:1 95mm std bore platinum series 1mm smaller pin/ 3.5mm long rod, profiled pin bore pro race 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 compression ratio of the MX1P27-P piston kit for the Yamaha YFZ450?
The MX1P27-P piston kit offers a compression ratio of 14.0:1 for the 449cc engine variant of the Yamaha YFZ450. This high compression ratio is designed for enhanced performance but requires careful tuning and fuel quality to avoid detonation.
What machining considerations should I keep in mind when installing the MX1P27-P pistons?
When installing the MX1P27-P pistons, ensure the cylinder bore is properly sized for the 95mm diameter and that the piston-to-cylinder clearance is set according to the provided specifications. Additionally, check the ring gaps to ensure they are within the recommended limits for optimal performance.
What type of conrod is compatible with the MX1P27-P piston kit?
The MX1P27-P piston kit is compatible with various conrods depending on the model year. For 2004-2005 models, a custom conrod is required, while the 2006-2007 models also need a custom conrod. From 2009 to 2020, the PSR8802 conrod is recommended.
What material are the MX1P27-P pistons made from?
The MX1P27-P pistons are forged from high-strength 2618 alloy, which provides excellent durability and performance under high-stress conditions, making them suitable for competitive applications.
Does the MX1P27-P piston kit include all necessary components for installation?
Yes, the MX1P27-P piston kit includes two pistons, ring sets, wrist pins, and clips, providing a complete solution for your engine rebuild or upgrade.
