2004-2020 Yamaha YFZ450 13.5:1 95mm std bore platinum series 1mm smaller pin/ 3.5mm long rod piston kit
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2004-2020 Yamaha YFZ450 13.5:1 95mm std bore platinum series 1mm smaller pin/ 3.5mm long rod piston kit
|
Make |
Yamaha |
|
Engine Size |
450cc |
|
Model |
YFZ450 / YFZ450R |
|
Year |
2004-2020 |
|
Bore (mm) |
95mm |
|
Comp Ratio |
13.25:1 439cc 13.5:1 449cc |
|
Piston Part Number |
MX1P26 |
|
Gasket Part Number |
YFZ450 C3066 YFZ450R C7908 |
|
Conrod Part Number |
04-05 Custom 06-07 Custom 09-20 PSR8802A |
|
Pin Part Number |
S748-2000-15C |
|
Locks Part Number |
748x050 SWL |
|
Rings |
CPN2-2-3740 |
|
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 13.5:1 95mm std bore platinum series 1mm smaller pin/ 3.5mm long rod piston kit |
|---|---|
| Brands | CP Carrillo |
Delivery & Freight
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Product images are for description purposes only. Actual product may vary.
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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 MX1P26 piston kit?
The MX1P26 piston kit requires proper bore clearance and ring gap settings as per the supplied instructions. Ensure the cylinder bore is honed to match the 95mm diameter of the pistons, and follow the recommended piston-to-cylinder clearance for optimal performance.
Can I use the MX1P26 piston kit with my stock conrods?
The MX1P26 piston kit is designed for use with specific conrods. For 2004-2005 models, a custom conrod is needed, while 2006-2007 models also require a custom option. From 2009-2020, use the PSR8802A conrod. Ensure compatibility before installation.
What is the compression ratio of the MX1P26 piston kit?
The MX1P26 piston kit provides a compression ratio of 13.5:1 for the 449cc YFZ450 engine. This higher compression ratio is aimed at performance applications, but be mindful of fuel quality and tuning to avoid detonation.
What type of wrist pins are included in the MX1P26 piston kit?
The MX1P26 piston kit includes wrist pins that are 1mm smaller in diameter than standard, specifically designed for compatibility with the kit's pistons. Ensure you use the provided wrist pins to maintain proper fitment and performance.
What material are the MX1P26 pistons made from?
The MX1P26 pistons are forged from high-strength 2618 alloy, which provides excellent durability and performance under high-stress conditions. This material choice is ideal for applications requiring reliability and strength.
