2004- 2020 Yamaha YFZ450/R 12.75:1 97mm +2mm oversize bore piston kit
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2004- 2020 Yamaha YFZ450/R 12.75:1 97mm +2mm oversize bore piston kit
|
Make |
Yamaha |
|
Engine Size |
450cc |
|
Model |
YFZ450 / YFZ450R |
|
Year |
2004-2020 |
|
Bore (mm) |
97mm |
|
Comp Ratio |
12.5:1 458cc 12.75:1 468cc |
|
Piston Part Number |
M1006 |
|
Gasket Part Number |
YFZ450 C3068 YFZ450R C3178 |
|
Conrod Part Number |
04-05 PSR9660A 06-08 custom 09-20 PSR8808A |
|
Pin Part Number |
W787-2000-15CP1C |
|
Locks Part Number |
787x050 SWL |
|
Rings |
CPN2-3819 |
|
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 | 2004- 2020 Yamaha YFZ450/R 12.75:1 97mm +2mm oversize 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 bore clearance for the M1006 piston kit?
The recommended bore clearance for the M1006 piston kit should be established by the engine builder, typically ranging from 0.0015" to 0.0025" depending on the application and operating conditions. Always refer to the manufacturer's guidelines for specific recommendations.
What type of rings are included in the M1006 piston kit?
The M1006 piston kit includes CP's CPN2-3819 ring sets, which are designed for high-performance applications. Ensure that the ring end gaps are set according to the supplied instructions for optimal performance.
Can the M1006 piston kit be used with stock conrods?
Yes, the M1006 piston kit can be used with stock conrods, but it is crucial to verify that the conrods are in good condition and compatible with the increased compression ratio and potential power output of the engine.
What is the compression ratio of the M1006 piston kit when used in a 450cc engine?
When installed in a 450cc engine, the M1006 piston kit achieves a compression ratio of 12.75:1. This ratio is suitable for performance applications but requires proper tuning and fuel quality to ensure reliability.
What machining processes are recommended for installing the M1006 piston kit?
Before installation of the M1006 piston kit, it is recommended to hone the cylinder to achieve the correct bore clearance and ensure a proper fit. Additionally, check the piston to cylinder wall clearance and ring gap settings as per the supplied instructions.
