2020-2022 Yamaha YZ450F 14.3:1 97mm std bore 60.9mm stroke (449cc) pisotn kit Pro race piston kit with CT-3 skirt coating and taperd wall DLC pin
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2020-2022 Yamaha YZ450F 14.3:1 97mm std bore 60.9mm stroke (449cc) pisotn kit Pro race piston kit with CT-3 skirt coating and taperd wall DLC pin
|
Make |
Yamaha |
|
Engine Size |
450cc |
|
Model |
YZ450F |
|
Year |
2020-2022 |
|
Bore (mm) |
97mm |
|
Comp Ratio |
14.3:1 |
|
Piston Part Number |
MX1111 |
|
Gasket Part Number |
C3786 |
|
Conrod Part Number |
PSR13187A |
|
Pin Part Number |
S708-2000-15C |
|
Locks Part Number |
708x050 SWL |
|
Rings |
CPN2-2-3819 |
|
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 | 2020-2022 Yamaha YZ450F 14.3:1 97mm std bore 60.9mm stroke (449cc) pisotn kit Pro race piston kit with CT-3 skirt coating and taperd wall DLC pin |
|---|---|
| Brands | CP Carrillo |
Delivery & Freight
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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 is the recommended bore clearance for the MX1111 piston kit?
For the MX1111 piston kit, the recommended bore clearance should be set according to the manufacturer's specifications, typically around 0.0025" to 0.0030". Always confirm with the supplied instructions and adjust as necessary based on your specific engine build.
What type of fuel is recommended for the 14.3:1 compression ratio of the MX1111 pistons?
Due to the high 14.3:1 compression ratio, it is recommended to use high-octane fuel, typically 98 RON or higher, to prevent detonation and ensure optimal performance. Fuel quality is critical for reliability and power output.
Do I need to modify my cylinder head for the MX1111 piston kit?
Depending on your specific engine setup, you may need to modify the cylinder head to accommodate the increased compression ratio. It's advisable to check valve clearance and ensure the combustion chamber is compatible with the piston design.
What is the significance of the CT-3 skirt coating on the MX1111 pistons?
The CT-3 skirt coating on the MX1111 pistons reduces friction and enhances durability, leading to improved performance and longevity. This coating helps maintain optimal piston-to-cylinder wall clearance, especially under high-load conditions.
How should I break in the MX1111 piston kit after installation?
For proper break-in, follow a conservative approach by varying engine RPM and load during the first few hours of operation. Avoid full throttle and high RPMs until the engine has been properly seated, typically around 1-2 hours of varied use.
