fits model: Yz250, Yz, 250. make: Yamaha. year: 1925–2003.

( Brand: Wiseco ), ( Manufacturer Part Number: WPC134 ), ( Machine Type: Dual Sport Motorcycle, Off-road Motorcycle, Scooter, Street Motorcycle ), ( Items Included: Connecting Rod Bearings, Connecting Rods, Crankshaft, Crankshaft Bearings, Cylinder Barrel, Gasket Set, Cylinder Head, Oil Seals, Piston Kit, Power Valve, Seal Kit, Spark Plug ), ( Custom: Buy Best Hot Rods Yz250complete Rebuild Kit On Sale ), ( Engine Type: 2-stroke ), ( Type: Engine Rebuild Kit ), ( Replaces / Compared To: 195101594826, Wpc134, Nx-40025, Nx-40031t ), ( Oe/oem Part Number: 21009-k01, 5cu-11993-00, 5cu-11354-00, 93210-15639-00, 93210-53638-00, 5nx-13622-00, 90116-08394-00, 90176-08026-00, 90201-08087-00, Wpc134, Nx-40025, Nx-40031t, Br8es, Cbk0135, 4138, 808670, 822304, K012, 811670, Mx-09153k, Pwr134-100, Wb1157, Pk1573, Wpc126, Nx-40025-bk, 5cu-11351-00, Wpc134, 21009-k01, 21009, Wb1051, B5011 ), ( Manufacturer Warranty: 1 Year ), ( Features: Corrosion-resistant, Durable, Greasable, Sealed ), ( Country/region Of Manufacture: United States ), ( Compared To: Yamaha Oem, Athena, Magnum, Bronco, Aftermarket Cylinders ), ( Performance Part: Yes )
The WiseCo Cylinder Vertex Cometic Athena Yamaha YZ250 / WPC134 03-25 Big Crank Motor Rebuild Kit is an essential collection of premium replacement components designed specifically for rebuilding the big crankshaft motor of Yamaha YZ250 models with engines from the WPC134 03-25 production period. This kit includes a diverse range of high-quality, OEM-compatible parts that ensure optimal engine performance and longevity.
Starting with the heart of the engine, the WiseCo kit includes a sought-after Versatalog Cometic head gasket. This gasket is renowned for its robust build quality, providing an exceptional seal and improved cylinder-head cooling for the engine. The gasket is meticulously designed for a precise fit, ensuring hassle-free installation and reliable performance.
The kit also comes with a premium Vertex piston. This top-of-the-line piston is manufacture from a high-strength alloy and features a cutting-edge design. It is engineered to provide increased compression, excellent durability and improved engine efficiency. The conrod and rod bearing are likewise upgraded replacements, crafted from durable materials to ensure reliable and consistent power delivery.
Additionally, this rebuild kit contains a Crankshaft seal kits that ensure a leak-free engine by effectively sealing the crankshaft to the engine casing. The seals are flexible, allowing for improved engine stability and reducing the risk of crankshaft damage.
The WiseCo Cylinder Vertex Cometic Athena Yamaha YZ250 / WPC134 03-25 Big Crank Motor Rebuild Kit also includes several other essential components such as gasket sealants, crankshaft bolts, and camshaft bearings. These parts are compatible with your specific engine and are designed to work seamlessly with the other included components.
Installing the components in this kit is a simple and straightforward process, as each part is precision-engineered to complement the others. The comprehensive nature of the kit means that you'll be able to complete your engine rebuild with confidence, knowing that you are using only the best OEM-compatible parts available to maximize the performance and longevity of your Yamaha YZ250 motorcycle.
This article evaluates the WiseCO Cylinder/Piston/Con-Rod Kit (Vertex, Athena, Yamaha YZ250 WPC134 03-25 295cc Big Crank Motor Rebuild Kit) based on its advantages, disadvantages, and our eventual recommendation.
Pros:1. High-quality components: WiseCO uses top-notch materials and precision manufacturing processes to ensure long-lasting and reliable parts.
2. Comprehensive kit: This kit includes cylinder, piston, con-rod, and other related components, making it a one-stop solution for a motor rebuild.
3. Suitable for various Yamaha models: The WPC134 03-25 295cc Big Crank Motor Rebuild Kit is designed to work with the YZ250, providing versatility for Yamaha enthusiasts.
4. Improved performance: Upgrading with top-quality components can potentially lead to enhanced engine power and efficiency.
Cons:1. Cost: The high price tag may deter some buyers. however, considering the comprehensive nature of the kit and the potential performance improvements, it may be a worthwhile investment for many.
2. Requires some mechanical knowledge: Installing the new components may call for particular technical skill and knowledge.
3. Time-consuming: Assembling and installing the new parts and rebuilding the engine may require a significant investment of time.
Conclusion:The WiseCO Cylinder/Piston/Con-Rod Kit (Vertex, Athena, Yamaha YZ250 WPC134 03-25 295cc Big Crank Motor Rebuild Kit) is an excellent choice for Yamaha YZ250 owners seeking high-quality components to enhance engine performance. The kit's advantages include superior-quality components, comprehensiveness, versatility, improved performance, and its compatibility with various Yamaha models. The cons include the cost, the need for mechanical knowledge, and the time investment required for installation.
Recommendation:If you are a serious Yamaha YZ250 enthusiast seeking to optimize performance, this comprehensive kit offers value and peace of mind, despite the costs and time investment. If you lack confidence in your mechanical abilities, consider seeking professional assistance for installation. Overall, the benefits of a rebuild with high-quality parts can outweigh the initial investment.
The Best Performance. This is a bolt on kit with no machining required. BPRATV - The Best Parts. Cylinder Works Big Bore Kit.
BPRATV / Wiseco Cylinder Works Vertex Complete BIG BORE Motor Rebuild Kit. This Rebuild Kit Includes. And of course a new NGK Spark Plug to make sure it fires right up. Vertex Complete Big Bore Top End Gasket Kit.
All parts come with warranty. Cylinder Works 72mm 295cc Big Bore Nasal Plated. Wiseco Kayo, NTN Heavy Duty Crank Main Bearings with Seals. No other parts nor any labor are included.
Wiseco Complete Bottom End Engine Oil Seal Kit Made by Cometic or Athena. Wiseco Complete Bottom End Rebuild Kit with Heavy Duty Crankshaft Assembly Includes Connecting Rod. The Best Price. This is the BEST VALUE MOST RELIABLE rebuild kit on market.
295cc 5.60mm Big Bore Cylinder Kit. Wiseco Piston Wrist Pin Bearing. Fits Yamaha YZ250 2 Stroke Dirt Bikes.
Once a part has been installed or prepped for installation it is no longer eligible return. Warranty: This product is NOT DIY. Big Bore Cylinder Head with Power Valve Kit. Wiseco Complete Bottom Motor Engine Gasket Set Made by Cometic or Athena.