03.4351 Pro-X Connecting Rod Kit for Kawasaki KX250 2021-2026 KX 250
03.4351 Pro-X Connecting Rod Kit for Kawasaki KX250 2021-2026 KX 250
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Connecting Rod Kit for Kawasaki KX250
This Pro-X connecting rod kit is a direct replacement for the factory rod assembly on the Kawasaki KX250, cross-referencing part 03.4351 for straightforward installation.
Overview
This Pro-X connecting rod kit is built for Kawasaki KX250 owners who need a fresh bottom end for rebuilds or routine top-end service. The kit delivers the rod, bearing, and related hardware needed to restore reliable crankshaft operation. It suits riders and mechanics servicing KX 250 machines in the 2021 through 2026 model range.
Built For Performance
- Pro-X connecting rod kit engineered for the Kawasaki KX250 engine platform
- Cross-references OEM part 03.4351 for a direct fit
- Includes rod, lower bearing, and pin for a complete lower-end refresh
- Manufactured to Pro-X tolerances for consistent balance and durability
- Suited to rebuild intervals on 2021 through 2026 KX 250 models
- Heat-treated steel construction for sustained high-rpm use
Fits These Machines
- for Kawasaki KX250 2021
- for Kawasaki KX250 2022
- for Kawasaki KX250 2023
- for Kawasaki KX250 2024
- for Kawasaki KX250 2025
- for Kawasaki KX250 2026
On-The-Job Use
- Bottom-end rebuilds on the Kawasaki KX250 engine
- Routine crankshaft service during top-end jobs
- Restoring a worn lower rod bearing
- Race prep for KX 250 machines
Specs At A Glance
| Part Number(s) | 03.4351 |
| Type | Connecting Rod Kit |
| Brand | Pro-X |
| Fitment | for Kawasaki KX250 2021-2026 |
Good To Know
Q: Is this an original Kawasaki part? A: No, this is a Pro-X connecting rod kit that cross-references Kawasaki part 03.4351. It is an aftermarket replacement, so the name Kawasaki is used only to identify fitment.
Q: Do I need special tools to install this rod kit? A: Installing a connecting rod kit requires a press and crankshaft truing tools, so professional assembly is recommended. Confirm the rod, bearing, and pin match your engine before installation.
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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