2004-2020 Yamaha YFZ450/R 13.75:1 97mm +2mm oversize bore Piston Kit
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2004-2020 Yamaha YFZ450/R 13.75:1 97mm +2mm oversize bore Piston Kit
|
Make |
Yamaha |
|
Engine Size |
450cc |
|
Model |
YFZ450 / YFZ450R |
|
Year |
2004-2020 |
|
Bore (mm) |
97mm |
|
Comp Ratio |
13.5:1 458cc 13.75:1 468cc |
|
Piston Part Number |
M1008 |
|
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 13.75:1 97mm +2mm oversize bore Piston Kit |
|---|---|
| Brands | CP Carrillo |
Delivery & Freight
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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 are the recommended bore clearances for the M1008 piston kit?
For the M1008 piston kit, it is crucial to follow the manufacturer's specifications for bore clearances. Generally, a clearance of 0.0025" to 0.0035" is recommended for optimal performance. Always verify with your engine builder for specific requirements based on your application.
What compression ratio can I expect with the M1008 piston kit?
The M1008 piston kit provides a compression ratio of 13.75:1 when used in a 450cc engine. This ratio is designed for performance applications, but be mindful that fuel quality and tuning will significantly affect engine reliability and performance.
Do I need to modify my cylinder head when using the M1008 pistons?
Using the M1008 pistons may require modifications to the cylinder head, particularly to accommodate the increased compression ratio. It's advisable to check valve clearance and consider potential adjustments to the combustion chamber for optimal performance.
What is included in the M1008 piston kit?
The M1008 piston kit includes two forged pistons, ring sets, wrist pins, and clips. Ensure that all components are inspected for fitment and quality before installation.
What type of fuel is recommended for the M1008 piston kit?
For optimal performance with the M1008 piston kit, high-octane fuel is recommended due to the higher compression ratio. Using fuel with an octane rating of 98 RON or higher will help prevent knock and ensure reliable operation.
