2009-2013 Yamaha FX SHO 9.5:1 turbo 86mm std bore (1812cc), piston kit
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2009-2013 Yamaha FX SHO 9.5:1 turbo 86mm std bore (1812cc), piston kit
|
Make |
Yamaha |
|
Engine Size |
1800cc |
|
Model |
FX SHO |
|
Year |
2009-2013 |
|
Bore (mm) |
86mm |
|
Comp Ratio |
9.5:1 |
|
Piston Part Number |
M1078A |
|
Gasket Part Number |
H2992030S |
|
Conrod Part Number |
PSR5551 |
|
Pin Part Number |
866-2250-18CP3C |
|
Locks Part Number |
866X063XSWL |
|
Rings |
CPN-3386 |
|
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 86mm std bore (1812cc), 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 are the recommended clearances for the M1078A piston kit?
For the M1078A piston kit, it is crucial to follow the manufacturer's specifications for piston to cylinder clearance, which typically ranges between 0.0025" to 0.0035". Additionally, ensure that the ring end gaps are set according to the supplied instructions to accommodate thermal expansion and prevent ring failure.
What type of fuel should I use with the M1078A pistons?
The M1078A pistons are designed for use with high-octane fuel, especially when running a turbo setup. Using a minimum of 98 RON fuel is recommended to prevent detonation and ensure optimal performance, particularly at higher boost levels.
Do I need to modify my engine for the M1078A piston kit?
While the M1078A piston kit is designed to fit the 2009-2013 Yamaha FX SHO, some engine builders may need to perform minor modifications such as honing the cylinder bores to achieve the correct clearance. Always consult with a qualified engine builder for specific requirements.
What is the weight of the M1078A pistons compared to stock?
The M1078A pistons are forged from high-strength 2618 alloy and are typically lighter than stock pistons. This weight reduction can improve engine response and performance, but exact weight comparisons should be made with your specific stock pistons.
How should I break in the engine after installing the M1078A pistons?
After installing the M1078A pistons, it is essential to follow a proper break-in procedure. This usually involves running the engine at varying RPMs without exceeding 50% of the maximum load for the first few hours, allowing the rings to seat properly and ensuring optimal performance and longevity.
