WISECO 40167M07700 Piston Kit 77.00 MM/14.5

( Brand: Wiseco ), ( Manufacturer Part Number: 40167M07700 ), ( Type: Piston Kit ), ( Items Included: Piston Rings, Wrist Pin ), ( Engine Type: 4-stroke ), ( Piston Diameter: 77.00 ), ( Country Of Origin: United States )

Review WISECO Yamaha Piston Kit 77.00mm /14.5 fits YZ250F STD CR 2016–2018

Introducing the WiseCO 40167M07700 piston kit, an excellent upgrade solution for your Yamaha YZ250F motorcycles from 2016 to 2018. This piston kit, with a bore size of 77.00mm and a compression ratio of 14.5:1, is specifically designed to deliver enhanced performance and reliability.

The WiseCO piston kit consists of high-quality pistons, rings, and other essential components. The pistons are made from forged aluminum alloy, ensuring superior strength and durability. Their unique design allows for optimal combustion and cooling, leading to improved engine efficiency and increased power output.

The piston rings are made from high-tensile, low-friction materials. They are precision-machined to ensure perfect fitment and seal, minimizing the possibility of engine blow-by and oil consumption. This results in reduced emissions and improved fuel economy.

The WiseCO 40167M07700 piston kit is also engineered with a standard compression height, making it a perfect fit for stock engines and ensuring easy installation. It is also compatible with most aftermarket performance parts, making it an ideal choice for riders seeking higher power levels.

The piston kit comes with all necessary hardware and instructions for a straightforward installation process. WiseCO's commitment to quality and customer satisfaction is evident in the attention to detail and craftsmanship that goes into each piston kit.

By upgrading to the WiseCO 40167M07700 piston kit, you can expect improved engine performance, increased power output, and enhanced reliability for your Yamaha YZ250F. This piston kit is an excellent investment for riders who demand the best from their motorcycles and seek to optimize their riding experience.

The Wiseco 40167M07700 piston kit for the Yamaha YZ250F (2016-2018 STD) is a popular aftermarket upgrade for those seeking improved engine performance. Here are some potential pros and cons of purchasing this piston kit:

1. Enhanced Power: The Wiseco piston kit is designed to provide increased power and torque by optimizing the combustion process. This can lead to better acceleration and overall performance.

2. Durability: Wiseco pistons are known for their high-quality materials and manufacturing processes, which can result in increased durability compared to stock pistons.

3. Customizability: The Wiseco piston kit offers various options for ring sizes, allowing riders to tailor the piston to their specific engine conditions and riding style.

4. Improved Thermal Efficiency: The piston design may improve thermal efficiency, reducing the engine's operating temperature and potentially increasing its lifespan.

1. Cost: The Wiseco piston kit is more expensive than the stock piston, which could be a deterrent for some riders.

2. Installation Complexity: Installing the Wiseco piston kit requires more time and expertise than a standard oil change or filter replacement. It may also necessitate additional engine disassembly.

3. Potential Powerband Shift: Some riders have reported a shift in the powerband after installing the Wiseco piston kit, which might require adjustments to the jetting or ignition timing.

The Wiseco 40167M07700 piston kit for the Yamaha YZ250F (2016-2018 STD) can deliver significant performance improvements and increased durability for off-road enthusiasts. However, it comes with a higher cost, complexity in installation, and a potential powerband shift that may necessitate additional tuning. Ultimately, the decision to purchase this piston kit depends on your riding goals, budget, and technical expertise. If you are an experienced rider seeking enhanced power and durability, this kit could be a worthwhile investment. If you are a casual rider or new to off-road motorcycle maintenance, it might be best to stick with the stock piston and focus on other upgrades or maintenance tasks.

Details:

Innovative forging design and piston skirt provides maximum horsepower torque. Shipping: FREE SHIPPING on this item within USA only. All Wiseco Pistons are Forged from high silicon, low expansion aluminum alloy which offers superior strength, reduced weight, improved heat transfer and longer life. CNC computerized high-speed Diamond Turning Centers hold exact tolerances with no size variations.

Closer wrist pin boss spacing eliminates flex. New Yamaha YZ250F, 2016 -2018, Wiseco Std Piston Kit, 40167M077 77.00mm /14.5:1 CR, includes, rings, wrist pin and cir clips pistons are known for durability, longevity increased horsepower. Notice: Product Images may differ from the actual product. What are the advantages to using Wiseco Pistons.

part #: 40167m07700 prices

• $209.99-$239.99

specifications pistondon:

• for models: Yz250f, Std, Cr
• for makes: Yamaha
• for years: 2016-2018
• brand: Wiseco
• mpn: 40167m07700
• type: Piston Kit
• items included: Piston Rings, Wrist Pin
• engine type: 4-stroke
• piston diameter: 77.00
• country of origin: United States

payments pistondon:

• wallet: Google-pay
• other
• credit card: Mastercard

seller pistondon:

• # reviews: 592577
• rating: 99.6%
• city: Rhinelander, Wisconsin

offer pistondon:

• quantity: 4
• started: April 22, 2026
• options: Ship-to-home
• availability: In Stock
• sold: 0

returns pistondon:

• time: 30 Days
• paid by: Seller
• policy: Returns Accepted

shipping pistondon:

• type: Fixed
• transit: 3-9 Days
• class: Standard
• cost: $0.00
• service: Standard

general pistondon:

• Motorcycle Scooter Parts Accessories > Engines Engine Parts > Pistons, Rings Piston Kits
• condition: New

Wiseco 40167M07700 Is Similar To:

• Honda 12100-ml3-870 1988 Cr500 Cr 500 Cylinder Jug Wiseco Piston Top End Gaskets (20.5% similar) New Wiseco piston kit complete with rings, wrist pin and cir-clips. New top end gaskets kit. 1988 Honda CR500 cylinder jug Wiseco piston top end gaskets, kit includes-, factory oem cylinder bored to new piston. Ready to install kit...(May 19th, 2024)
• Wiseco 2165cd 1985 85 Honda Cr125r Cr 125r 125 Piston Rings 55mm (38.6% similar) For sale is the piston rings 55MM that was removed from a 1985 Honda CR125R. The condition of this item is displayed in the pictures above. I do my best to describe the condition of parts in and pictures...(May 21st, 2024)
• Wiseco 4393p2 Piston And Rings Honda Atc Trx 350 85-89 43934p2 4393m0 (31.7% similar) The set includes Wiseco renowned 4393P2 model piston and rings, ensuring that your engine runs smoothly efficiently. Otherwise the piston and rings are almost like new. This Wiseco piston and ring set is an excellent choice for Honda ACT TRX 350 model's manufactured between 1985 1989 ...(May 24th, 2024)
• Wiseco 645m04750 Like New Pro-lite Piston Stock 47.5mm Bore For Suzuki Rm80 1991-2001 (39.8% similar) 2 wrist pin cir clips. This Wiseco kit contains the needed components to replace one piston. Wiseco individual piston kit. Includes: 1 Wiseco piston. Wiseco participates in nearly every form of racing including supergrass, motocross, GCC, orcs, moot GP, super bike, NRA pro stock...(May 30th, 2024)
• Wiseco 40144m07800 Piston Kit Standard 78 Mm 40144m07800 (49.6% similar) Wiseco piston kit standard 78MM 40144M078 gas / Husqvarna KTM see below for compatible machines, kit is in good condition. Pictures show most significant blemishes but not every blemish. See pictures for details fully functional no bends cracks or defects. Piston kit includes piston...(June 1st, 2024)
• Wiseco 40082m09600 Piston Kit Standard Bore 95.95mm 12.5 1 Compression (50% similar) Used piston has about 4 hours on it. Good condition with wrist pin and cir clips rings...(June 10th, 2024)
• Wiseco 806m04800 Like New Piston Kit Pro-lite For Husqvarna Kawasaki Suzuki And Yamaha (34.6% similar) Now you can own the same race parts as all top teams. Service intervals may be increased with racers choice pistons over conventional Wiseco pistons, and are for expert racers tuners only. Cylinder sleeves must be purchased separately. When blow-by starts to increase on other pistons and power...(June 12th, 2024)
• Wiseco Pk1237 Motorcycle Piston Kit With Top-end Gasket (40.6% similar) Please review the pictures above carefully. Nothing else comes with this offer. Manufacturer - Wiseco, part number PK1237. Fits 04-05 Kawasaki KX250F, 04-06 Suzuki RMZ250. There is minor grease throughout and some parts have already been assembled. Missing: please see...(June 27th, 2024)
• Wiseco 526m06700 Honda Cr250 Atc250 Trx250 Piston (44.8% similar) Parts are listed for the year and model stated. See pictures. Item: Honda CR250 ATC250 TRX250 piston 526M067 condition: in very good condition...(June 28th, 2024)
• Wiseco 4875m05350 Top End Piston For Kawasaki Klx 110 02-12 53.50mm (40.6% similar) Wiseco top end piston for Kawasaki JLX 110 02-12 53.50MM 4875M05350...(July 2nd, 2024)
• Wiseco 822m05400 Like New Pro Lite Piston Kit 54.00mm For Kawasaki Kx125 2003 (45.8% similar) Compression ratio: standard. Bore size: 54MM. Piston kit includes piston, rings, wrist pin and cir clips. Fits the following model's: Kawasaki KX125 2003 . Lightweight forging for instant throttle response and maximum torque. Specs: oversize: standard. Computer engineered piston skirt...(July 10th, 2024)