2009-2011 Yamaha R1 13.5:1 80mm +2mm over bore x 52.2mm stroke (998cc) piston kit
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2009-2011 Yamaha R1 13.5:1 80mm +2mm over bore x 52.2mm stroke (998cc) piston kit
|
Make |
Yamaha |
|
Engine Size |
1000cc |
|
Model |
YZF-R1 |
|
Year |
2009-2011 |
|
Bore (mm) |
80mm |
|
Comp Ratio |
13.5:1 |
|
Piston Part Number |
M1080C |
|
Gasket Part Number |
C8794 |
|
Conrod Part Number |
PSR5021 |
|
Pin Part Number |
W669-1650-12CP1C |
|
Locks Part Number |
669x050 SWL |
|
Rings |
CPXG-8000C |
|
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 | 2009-2011 Yamaha R1 13.5:1 80mm +2mm over bore x 52.2mm stroke (998cc) piston kit |
|---|---|
| Brands | CP Carrillo |
Delivery & Freight
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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 M1080C piston kit?
The recommended bore clearance for the M1080C piston kit should be set according to the specific application and engine build. Generally, a clearance of 0.0015" to 0.0025" is typical for performance applications, but always refer to the manufacturer's guidelines and adjust based on your engine's specific tolerances.
What type of fuel should I use with the M1080C pistons?
Given the 13.5:1 compression ratio of the M1080C pistons, it is advisable to use high-octane fuel to prevent knocking and ensure optimal performance. Typically, 98 RON or higher is recommended, but always consider your engine's tuning and specific requirements.
Do I need to modify my cylinder head for the M1080C piston kit?
Depending on your engine's setup, you may need to modify the cylinder head to accommodate the increased compression ratio and ensure proper clearance. It's essential to check for valve clearance and consider potential changes to the combustion chamber shape for optimal performance.
What is the weight difference of the M1080C pistons compared to stock pistons?
The M1080C pistons are designed to be lightweight, but the exact weight difference will depend on the specific stock piston being replaced. Generally, aftermarket forged pistons like these can be lighter, which aids in reducing reciprocating mass and improving throttle response.
What is included in the M1080C piston kit?
The M1080C piston kit includes two forged pistons, ring sets, wrist pins, and clips. This complete kit is designed for easy installation and optimal performance in your Yamaha R1 engine.
