2009-2013 Yamaha FX SHO 8.6:1 Turbo 86.5mm .5mm oversize bore (1834cc) piston kit
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2009-2013 Yamaha FX SHO 8.6:1 Turbo 86.5mm .5mm oversize bore (1834cc) piston kit
|
Make |
Yamaha |
|
Engine Size |
1800cc |
|
Model |
FX SHO |
|
Year |
2009-2013 |
|
Bore (mm) |
86.5mm |
|
Comp Ratio |
8.6:1 |
|
Piston Part Number |
M1082A |
|
Gasket Part Number |
H2992030S |
|
Conrod Part Number |
PSR5551 |
|
Pin Part Number |
866-2250-18CP3C |
|
Locks Part Number |
866X063XSWL |
|
Rings |
CPN-3406 |
|
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 86.5mm .5mm oversize bore (1834cc) 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 M1082A piston kit?
For the M1082A piston kit, it is crucial to follow the manufacturer's specifications for bore clearance. Typically, a clearance of 0.0015" to 0.0025" is recommended, but always verify with the specific engine build requirements.
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 M1082A pistons, premium unleaded fuel is generally recommended. However, if running higher boost levels, consider using higher octane fuel to prevent detonation and ensure optimal performance.
Do I need to modify the cylinder head for these pistons?
Typically, no major modifications to the cylinder head are required for the M1082A piston kit. However, ensure that the combustion chamber is clean and free of any debris, and check for proper clearance to avoid any potential contact.
What is included in the M1082A piston kit?
The M1082A piston kit includes two forged pistons, ring sets, wrist pins, and clips. This complete kit is designed for ease of installation and optimal performance.
How should I break in the engine after installing the M1082A pistons?
After installing the M1082A pistons, follow a proper break-in procedure. This typically involves varying engine RPMs and avoiding full throttle for the first 500 miles to ensure the rings seat properly and the engine components wear in correctly.
