WISECO ORWI-CO416139-ON Piston Bike 42MM

( Brand: Wiseco ), ( Manufacturer Part Number: ORWI-CO416139-ON ), ( Part Type: Piston )

Review WISECO Yamaha Dirt Bike Piston 42mm fits PW50 1985–1987

Introducing the WISCO ORWI-CO416139-ON 42mm Piston, specifically designed for the Yamaha PW50 bikes manufactured between 1985 and 1987. This high-quality piston is a must-have upgrade for those seeking optimal engine performance and reliability.

Crafted from forged aluminum alloy, this piston boasts exceptional strength and durability. Its 42mm diameter perfectly fits the PW50 engine, ensuring a precise fit and minimal clearance issues. The piston's design provides an increased compression ratio, which translates to more power and torque while maintaining excellent fuel efficiency.

The piston's crown is optimally shaped with a dish design, allowing for efficient combustion and gas flow. The skirt of the piston features a full-length, ribbed design that enhances the piston's rigidity and reduces the risk of piston-to-cylinder contact. The piston ring grooves are properly sized and spaced to accommodate standard piston rings.

The WISCO ORWI-CO416139-ON piston is machined to the highest tolerances to ensure a perfect fit and smooth operation. It comes with a piston pin and ring set, making it a complete piston assembly solution. The piston pin is made from high-tensile steel, ensuring a strong connection between the piston and the connecting rod.

Installing this piston is a straightforward process, thanks to its OEM-style design. It's essential to follow the manufacturer's instructions carefully to ensure a successful installation. With proper installation and maintenance, this WISCO piston can provide long-lasting performance and reliability for your Yamaha PW50 bike.

In summary, the WISCO ORWI-CO416139-ON 42mm Piston is a high-quality upgrade for Yamaha PW50 bikes manufactured between 1985 and 1987. Its forged aluminum alloy construction, optimized design, and precise fit make it a reliable and efficient solution for those seeking optimal engine performance.

Wiseco WI-CO416139-ON 1985-1987 Yamaha PW50 Bike Piston: A Comprehensive Analysis

The Wiseco WI-CO416139-ON piston is a popular aftermarket upgrade for the 1985-1987 Yamaha PW50 mini-bike. This piston offers several potential benefits, but it also comes with certain drawbacks that are essential to consider before making a purchase.

1. Enhanced Performance: The Wiseco piston is designed to provide improved power and torque, making it an excellent choice for riders looking to enhance their mini-bike's performance.

2. Durability: This piston is known for its high-quality materials and robust construction, which can help extend the life of the engine and reduce the need for frequent replacements.

3. Cooler Running: The Wiseco piston's design allows for improved heat dissipation, which can help prevent engine overheating and reduce the risk of damage.

1. Cost: The Wiseco piston is more expensive than the OEM (original equipment manufacturer) piston. This may be a significant consideration for budget-conscious riders.

2. Requires Additional Parts: Installing the Wiseco piston may require the purchase of additional parts, such as rings and gaskets, which can add to the overall cost.

3. Installation Complexity: Installing the Wiseco piston may be more complicated than installing an OEM piston, as it requires more precise fitting and adjustment.

The Wiseco WI-CO416139-ON piston offers several advantages, including enhanced performance, durability, and cooler running. However, it comes with a higher cost, the need for additional parts, and a more complex installation process. Ultimately, the decision to purchase this piston depends on the rider's priorities, budget, and technical abilities. If performance enhancement and durability are top priorities, this piston may be a worthwhile investment. However, for those on a tight budget or with limited mechanical skills, the OEM piston may be a more suitable choice.

1. Evaluate your budget: Determine if the cost of the Wiseco piston, along with any additional parts and installation costs, fits within your budget.

2. Assess your mechanical skills: Consider your ability to install the piston yourself or if you will need to hire a professional.

3. Determine your priorities: Decide if the potential performance and durability benefits outweigh the additional cost and complexity.

4. Research alternative options: Look into other aftermarket piston options and their respective benefits and drawbacks.

By carefully considering these factors, you can make an informed decision about whether the Wiseco WI-CO416139-ON piston is the right choice for your 1985-1987 Yamaha PW50 mini-bike.

Details:

Brand: Wiseco, model Number: ORWI-CO416139-ON. 1985 1987 Yamaha PW50 Dirt Bike Wiseco Piston 42mm: Compatibility: PW50, Size: 42mm. I need to exchange an item. Credit or Debit Card.

Parts without fitment are to be assumed universal and may require vehicle modification. This is helpful if you are buying multiple items.

part #: orwico416139 price

• $110.53

specifications pistondon:

• for models: Pw50
• for makes: Yamaha
• for years: 1985-1987
• brand: Wiseco
• mpn: Orwi-co416139-on
• part type: Piston

returns pistondon:

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

offer pistondon:

• options: Ship-to-home
• sold: 0
• started: May 9, 2025
• availability: In Stock
• quantity: 6

general pistondon:

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

seller pistondon:

• rating: 99.5%
• city: Sparks, NV
• # reviews: 63580

shipping pistondon:

• cost: $0.00
• transit: 4-6 Days
• type: Fixed
• service: Standard
• class: Standard

payments pistondon:

• credit card: Discover
• wallet: Paypal
• other

Wiseco ORWI-CO416139 Is Similar To:

• Honda 12100-ml3-870 1988 Cr500 Cr 500 Cylinder Jug Wiseco Piston Top End Gaskets (19% 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 (44.3% 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 (30.9% 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 (35.5% 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 (30.6% 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 (31.7% 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 (30.1% 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 (35.5% 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 (41.4% 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 (38.8% 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 (36.1% 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)