2009-2013 Yamaha FX SHO 9.5:1 turbo 86.5mm .5mm oversize bore (1834cc) piston kit
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2009-2013 Yamaha FX SHO 9.5:1 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 |
9.5:1 |
|
Piston Part Number |
M1083A |
|
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) |
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 | 2009-2013 Yamaha FX SHO 9.5:1 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 M1083A piston kit?
The recommended bore clearance for the M1083A piston kit should be determined by the engine builder based on the specific application and operating conditions. Generally, a clearance of 0.0020" to 0.0025" is a good starting point for performance applications, but always refer to the manufacturer's guidelines and adjust based on your specific setup.
What type of fuel is best suited for the 9.5:1 compression ratio of these pistons?
For the 9.5:1 compression ratio of the M1083A pistons, premium unleaded fuel with an octane rating of 95 or higher is recommended. This will help prevent knock and ensure optimal performance, especially under boost conditions.
Do I need to modify my cylinder head when using these pistons?
Typically, no major modifications to the cylinder head are required when using the M1083A piston kit. However, it's essential to check for proper clearance with the valves and ensure that the head gasket surface is flat and within the required RA finish for optimal sealing.
What is included in the M1083A piston kit?
The M1083A piston kit includes two forged pistons, a complete set of rings, wrist pins, and retaining clips. This comprehensive kit is designed for ease of installation and maximum performance.
What machining processes should I consider when installing these pistons?
When installing the M1083A pistons, ensure that the cylinder bores are honed to the correct size and finish, and that the ring gaps are set according to the supplied instructions. Additionally, check for proper clearance with the connecting rods and ensure that the rotating assembly is balanced.
