2004-2020 Yamaha YFZ450/R 13.25:1 97mm +2mm oversize bore piston kit
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2004-2020 Yamaha YFZ450/R 13.25:1 97mm +2mm oversize bore piston kit
|
Make |
Yamaha |
|
Engine Size |
450cc |
|
Model |
YFZ450 / YFZ450R |
|
Year |
2004-2020 |
|
Bore (mm) |
97mm |
|
Comp Ratio |
13.0:1 458cc 13.25:1 468cc |
|
Piston Part Number |
M1007 |
|
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 13.25:1 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 M1007 piston kit?
The recommended bore clearance for the M1007 piston kit should be determined by the engine builder based on the specific application and intended use. Generally, a clearance of 0.0015" to 0.0025" is a good starting point for performance applications, but always refer to the manufacturer's guidelines for the best results.
What compression ratio can I expect with the M1007 piston kit?
The M1007 piston kit offers a compression ratio of 13.25:1 when used in a 468cc setup. This is suitable for high-performance applications, but ensure that your engine is properly tuned to handle the increased compression.
What type of rings are included in the M1007 piston kit?
The M1007 piston kit includes CP rings, specifically part number CPN2-3819. These rings are designed to provide optimal sealing and performance, but it's crucial to set the ring gaps according to the provided instructions for best results.
Are there any specific machining requirements for the M1007 piston kit?
Yes, the M1007 piston kit may require specific machining such as honing of the cylinder bore to achieve the correct clearance. It's essential to check the fitment and ensure that the cylinder is within the specified tolerances for optimal performance.
What is the weight tolerance for the M1007 pistons?
The M1007 pistons are balanced to within +/- 1 gram. This precision helps ensure smooth operation and reduces vibrations, which is critical for high-performance applications.
