Namura .010 Over Bore Piston Kit for Honda Foreman 400 4x4 1995-2003 86.25mm
Namura .010 Over Bore Piston Kit for Honda Foreman 400 4x4 1995-2003 86.25mm
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.010 Over Bore Piston Kit for Honda
This .010 over bore piston kit provides an oversized piston at 86.25mm for Honda Foreman 400 4x4 models from 1995 to 2003, restoring compression and performance after cylinder boring or wear.
Overview
This .010 over bore piston kit is designed for Honda Foreman 400 4x4 engines, offering a direct replacement piston with an 86.25mm diameter. It is intended for use when boring the cylinder oversize to .010 inch, commonly performed during engine rebuilds to address cylinder wear or scoring. The piston kit includes the piston and piston rings, providing a complete solution for restoring engine power and reliability in Honda Foreman 400 ATVs.
Built For Performance
- Cast from high-strength aluminum alloy for durability and heat dissipation
- Precision-machined to 86.25mm diameter for accurate fit in bored cylinders
- Includes matched piston rings with proper tension for optimal compression
- Designed to withstand high RPM and load conditions typical of utility ATVs
- Direct replacement for OEM piston specifications for Honda Foreman 400
Fits These Machines
- for Honda Foreman 400 4x4 (1995-2003)
On-The-Job Use
- Rebuilding Honda Foreman 400 engines with worn or damaged cylinders
- Restoring compression after cylinder boring to .010 oversize
- Replacing original pistons during top-end overhauls
- Improving engine performance and reliability in ATV applications
Specs At A Glance
| Size | 86.25mm |
| Oversize | .010 inch |
| Application | Honda Foreman 400 4x4 1995-2003 |
Good To Know
Q: Does this piston kit come with wrist pin and circlips? A: The kit includes the piston and piston rings; wrist pin and circlips are typically sold separately unless specified otherwise.
Q: What is the recommended cylinder bore clearance for this piston? A: Consult your engine service manual for exact clearance specifications, typically 0.002-0.004 inches for cast pistons.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.
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