1996-2016 Honda TRX400EX 10.0:1 85mm std bore x 70mm stroke (397cc) piston kit
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1996-2016 Honda TRX400EX 10.0:1 85mm std bore x 70mm stroke (397cc) piston kit
|
Make |
Honda |
|
Engine Size |
400cc |
|
Model |
TRX400EX |
|
Year |
1996-2016 |
|
Bore (mm) |
85mm |
|
Comp Ratio |
10.0:1 |
|
Piston Part Number |
M2002 |
|
Gasket Part Number |
C7825 |
|
Conrod Part Number |
PSR5034 |
|
Pin Part Number |
787-2000-15CP1C |
|
Locks Part Number |
787x050 SWL |
|
Rings |
CPN-3347 |
|
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 | 1996-2016 Honda TRX400EX 10.0:1 85mm std bore x 70mm stroke (397cc) 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 M2002 piston kit?
For the M2002 piston kit, the recommended bore clearance should be set according to the specific engine build and application. 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 requirements.
What type of fuel is recommended for the 10.0:1 compression ratio of the M2002 pistons?
For the 10.0:1 compression ratio of the M2002 pistons, premium unleaded fuel with an octane rating of 91 or higher is recommended to prevent knocking and ensure optimal performance. Always consider the specific tuning and conditions of your engine.
Do I need to modify my cylinder head for the M2002 piston kit?
Modifications to the cylinder head may be necessary depending on your engine's current setup and intended use. Ensure that the combustion chamber is compatible with the increased compression ratio, and check for any clearance issues with valves or other components.
What is included in the M2002 piston kit?
The M2002 piston kit includes two forged pistons, ring sets, wrist pins, and clips. This complete kit is designed for ease of installation and optimal performance in the Honda TRX400EX.
How should I break in the engine after installing the M2002 pistons?
After installing the M2002 pistons, follow a proper break-in procedure which typically includes varying engine RPMs and avoiding full throttle for the first few hours of operation. Consult your engine builder or specific break-in guidelines for the best results.
