2003--2009 YZ450F 13.5:1 95mm bore x 63.4mm stroke platinum series std. pin dia/ 2.5mm longer rod (449cc) piston kit
Please allow up to 2 weeks for delivery. If it is any longer, we will contact you.
Feel free to contact us to confirm delivery time before you order.
For shipping cost -add all the products you would like, then navigate to the shopping cart to calculate shipping quote.
2003--2009 YZ450F 13.5:1 95mm bore x 63.4mm stroke platinum series std. pin dia/ 2.5mm longer rod (449cc) piston kit
|
Make |
Yamaha |
|
Engine Size |
450cc |
|
Model |
YZ450F |
|
Year |
2003-2009 |
|
Bore (mm) |
95mm |
|
Comp Ratio |
13.5:1 |
|
Piston Part Number |
MX1P43 |
|
Gasket Part Number |
Call |
|
Conrod Part Number |
Custom |
|
Pin Part Number |
S708-2000-15C |
|
Locks Part Number |
708x050 SWL |
|
Rings |
CPN2-2-3740 |
|
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 | 2003--2009 YZ450F 13.5:1 95mm bore x 63.4mm stroke platinum series std. pin dia/ 2.5mm longer rod (449cc) piston kit |
|---|---|
| Brands | CP Carrillo |
Delivery & Freight
We are an Australian-based company that ships items nationally and internationally, usually within 48 hours of receiving your order. High-value items shipped internationally are sent via DHL Express, while lower-value items are sent via Australia Post Express unless otherwise instructed.
You can calculate shipping rates inside the shopping cart. After adding all the products you would like, navigate to the cart and click the ESTIMATE SHIPPING & TAX link. .
If you only see the Click and Collect shipping option, it means that your address was not validated correctly.
If you have issues calculating freight, please get in touch. We are happy to help.
Disclaimer:
Product images are for description purposes only. Actual product may vary.
Shipping calculations available at checkout.
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 specific machining requirements for the MX1P43 piston kit?
For the MX1P43 piston kit, ensure that the bore is accurately sized to 95mm and that the ring gaps are set according to the supplied instructions. The piston-to-cylinder clearance must also be verified to ensure optimal performance and reliability.
What is the benefit of the 2.5mm longer rod in this piston kit?
The 2.5mm longer rod in the MX1P43 kit enhances the engine's stroke characteristics, potentially improving torque delivery and power band. This modification can help optimise the engine's performance, especially in high-rev situations.
What type of fuel is recommended for the 13.5:1 compression ratio of this piston kit?
For the MX1P43 piston kit with a 13.5:1 compression ratio, high-octane fuel is recommended to prevent knocking and ensure optimal combustion. Always consider the specific tuning and setup of your engine to determine the best fuel quality.
Are there any specific installation tips for the MX1P43 piston kit?
When installing the MX1P43 piston kit, ensure that the pistons are oriented correctly with respect to the engine's rotation. Use the appropriate lubricant on the wrist pins and follow the manufacturer's guidelines for torque specifications on connecting rods.
What is the expected reliability of the MX1P43 piston kit under high-performance conditions?
The MX1P43 piston kit is designed for high-performance applications, but reliability will depend on proper installation, machining, tuning, and the quality of fuel used. Ensure that all clearances and specifications are adhered to for the best performance and longevity.
