2004 -2020 Yamaha YFZ450/R 12.75:1 95mm std bore piston kit
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2004 -2020 Yamaha YFZ450/R 12.75:1 95mm std bore piston kit
|
Make |
Yamaha |
|
Engine Size |
450cc |
|
Model |
YFZ450 / YFZ450R |
|
Year |
2004-2020 |
|
Bore (mm) |
95mm |
|
Comp Ratio |
12.5:1 439cc 12.75:1 449cc |
|
Piston Part Number |
M1000 |
|
Gasket Part Number |
YFZ450 C3066 YFZ450R C7908 |
|
Conrod Part Number |
04-05 PSR9660A 06-08 custom 09-20 PSR8808A |
|
Pin Part Number |
W787-2000-15CP1C |
|
Locks Part Number |
787x050 SWL |
|
Rings |
CPN2-3740 |
|
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/R 12.75:1 95mm std bore 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.
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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 is the recommended compression ratio for the M1000 piston kit?
The M1000 piston kit offers a compression ratio of 12.75:1 for the 450cc Yamaha YFZ450/R engines. This ratio is designed to enhance performance, but ensure your engine is properly tuned to handle the increased compression.
What materials are used in the construction of the M1000 pistons?
The M1000 pistons are forged from high strength 2618 alloy, which provides excellent durability and performance under high-stress conditions. This material choice is crucial for maintaining reliability in performance applications.
What should I consider regarding piston-to-cylinder clearance when installing the M1000 pistons?
It's essential to follow the supplied instructions for piston-to-cylinder clearance to ensure optimal performance. Proper clearance is critical for preventing piston slap and ensuring efficient operation, especially at higher RPMs.
Does the M1000 piston kit include everything needed for installation?
Yes, the M1000 piston kit includes two pistons, ring sets, wrist pins, and clips, providing a complete solution for your rebuild. However, ensure you have the correct gaskets and any additional components required for your specific engine model.
What are the balancing specifications for the M1000 pistons?
The M1000 pistons are balanced to within +/- 1 gram, which is important for reducing vibrations and improving engine performance. Proper balancing is crucial when assembling the full rotating assembly to maintain engine harmony.
