2009-2013 Yamaha FX SHO 8.6:1 Turbo 86.25mm .25mm oversize bore (1827cc), piston kit
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2009-2013 Yamaha FX SHO 8.6:1 Turbo 86.25mm .25mm oversize bore (1827cc), piston kit
|
Make |
Yamaha |
|
Engine Size |
1800cc |
|
Model |
FX SHO |
|
Year |
2009-2013 |
|
Bore (mm) |
86.25mm |
|
Comp Ratio |
8.6:1 |
|
Piston Part Number |
M1087 |
|
Gasket Part Number |
H2992030S |
|
Conrod Part Number |
PSR5551 |
|
Pin Part Number |
866-2250-18CP3C |
|
Locks Part Number |
866X063XSWL |
|
Rings |
CPN-3396 |
|
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 | 2009-2013 Yamaha FX SHO 8.6:1 Turbo 86.25mm .25mm oversize bore (1827cc), 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 M1087 piston kit?
For the M1087 piston kit, it is essential to follow the manufacturer's specifications for bore clearance. Typically, a clearance of 0.0020" to 0.0030" is recommended, but this can vary based on the specific engine build and intended use. Always consult the supplied instructions for precise measurements.
What type of fuel is recommended for the 8.6:1 compression ratio of these pistons?
For the 8.6:1 compression ratio of the M1087 pistons, premium unleaded fuel with an octane rating of 95 or higher is recommended, especially if running a turbo setup. This helps prevent detonation and ensures optimal performance.
Do I need to modify my cylinder head when installing the M1087 piston kit?
While the M1087 piston kit is designed to fit the Yamaha FX SHO, you may need to check for clearance with the cylinder head, especially if using aftermarket components. Ensure that the piston-to-valve clearance is adequate to prevent contact during operation.
What is included in the M1087 piston kit?
The M1087 piston kit includes two forged pistons, ring sets, wrist pins, and clips. This complete kit is designed for ease of installation and to ensure compatibility with your engine.
How should I prepare the piston rings before installation?
Before installation, ensure that the piston rings are properly gapped according to the supplied instructions. Additionally, lightly oil the rings and the piston grooves to facilitate smooth installation and prevent scoring.
