1. Pistons, Rings & Piston Kits Products
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  3. YAMAHA 1W6-11610-20

YAMAHA 1W6-11610-20 Nos Piston Ring Set 2ND O/s 0.50MM

fits model: It400, It425. make: Yamaha. year: 1977–1980.

1w6-11610-20 Yamaha Nos 2nd O/s 0.50mm Piston Ring Set 77 78 It400 80 It425

( Manufacturer Part Number: 1W6-11610-20 ), ( Type: Piston Ring Set ), ( Items Included: Piston Rings )

Review YAMAHA Nos 2nd O/s 0.50mm Piston Ring Set fits IT400 IT425 1977–1980

The Yamaha 1W6-11610-20 piston ring set is designed for use in the IT400 and IT425 two-stroke outboard engines produced by Yamaha. This set includes two piston rings, each with an outside diameter of 61.1mm and a thickness of 0.50mm. These rings are specifically engineered for the second overhaul or subsequent use in the engine.

The first ring in this set is the compression ring, which is responsible for sealing the combustion chamber during the engine's power stroke. It features a unique design with a slight taper towards the top of the piston, allowing for proper sealing and effective compression. The material used for this ring is specifically formulated to provide optimal durability and performance, ensuring a long service life.

The second ring in the set is the oil control ring. This ring is responsible for controlling the flow of engine oil between the piston and cylinder walls. It is designed with a series of grooves that help to distribute the oil evenly around the piston, ensuring proper lubrication and reducing wear. The material used for this ring is also chosen for its ability to maintain its shape and provide effective sealing over multiple engine cycles.

Installing these piston rings is a critical part of the engine overhaul process. Proper installation ensures that the rings seat evenly and provide the necessary sealing and compression. It is important to follow the manufacturer's instructions carefully during installation, as improper installation can lead to engine damage and decreased performance.

Overall, the Yamaha 1W6-11610-20 piston ring set is a high-quality, reliable solution for those in need of replacement rings for their IT400 or IT425 outboard engine. With their precise engineering, durable materials, and proven performance, these rings are an essential component for maintaining the optimal operation of your Yamaha outboard engine.

Yamaha 1W6-11610-20 Nos 2nd O-Ring Set (0.50mm) for IT400 and IT425 Engines: A Comprehensive Analysis

1. Overview:

The Yamaha 1W6-11610-20 piston ring set is a part used in the Wet-sump 4-stroke, SOHC, single-cylinder engines of Yamaha IT400 and IT425. These engines are known for their durability and performance in motorcycles and other small machinery.

2. Pros:

a. High-quality components: Yamaha is a reputable brand known for manufacturing reliable and high-performing engine parts. These piston rings are no exception.

b. Enhanced engine performance: New piston rings can improve the sealing and overall performance of the engine.

c. OEM (Original Equipment Manufacturer) replacement: Using OEM parts ensures that the engine components fit perfectly and function as intended.

d. Longer engine life: Properly functioning piston rings help prevent oil leaks and contamination, contributing to the overall longevity of the engine.

3. Cons:

a. Cost: Replacing piston rings can be an expensive repair, especially for motorcycle owners who may not have access to a well-equipped workshop.

b. Labor costs: If the repair is not done by the owner, labor costs can add significantly to the overall expense.

c. Time-consuming: Installing piston rings can be a lengthy process, particularly for those without engine rebuilding experience.

4. Ending Conclusion:

While the cost and time investment of replacing piston rings may be a deterrent for some, the benefits of using high-quality OEM components like the Yamaha 1W6-11610-20 set cannot be overlooked. Enhanced engine performance, improved sealing, and prolonged engine life make this investment worthwhile for motorcycle enthusiasts and professionals who rely on Yamaha IT400 and IT425 engines for their livelihoods.

5. Recommendation:

If you own a Yamaha IT400 or IT425 engine and are experiencing performance issues, oil leaks, or other symptoms that may indicate worn piston rings, consider investing in a replacement set like the Yamaha 1W6-11610-20 Nos 2nd O-Ring Set. The long-term benefits of improved engine performance and longevity will outweigh the initial investment and labor costs.

Details:

Manufacturer: Yamaha.

part #: 1w61161020 prices

  • $40.00-$45.98

specifications pistondon:

  • for models: It400, It425
  • for makes: Yamaha
  • for years: 1977-1980
  • mpn: 1w6-11610-20
  • type: Piston Ring Set
  • items included: Piston Rings

general pistondon:

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

offer pistondon:

  • quantity: 1
  • sold: 0
  • options: Ship-to-home
  • availability: In Stock
  • started: August 21, 2025

shipping pistondon:

  • transit: 5-12 Days
  • cost: $0.00
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  • class: Standard
  • type: Calculated
  • carrier: USPS

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seller pistondon:

  • # reviews: 274
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  • rating: 100.0%

returns pistondon:

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for models: it400, it425, for makes: yamaha, for years: 1977-1980, type: piston ring set, items included: piston rings,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > pistons, rings piston kits, sku: 7888771510189693,

Yamaha 1W6-11610-20 Is Similar To:

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5 offers $40.00–$45.98 USD
  • Offer #1: $40.00 price + $0.00 shipping estimate = $40.00* total. yamaha motorcycle yamaha it425g 1980. PISTON RINGSET 2ND, , IT425.FREE SHIPPING
  • Offer #2: $41.59 price + $6.99 shipping estimate = $48.58* total. Designed to meet factory specifications for perfect fit, performance, and reliability. This is a Genuine OEM Replacement Part New Old Stock (NOS).+$6.99 shipping
  • Offer #3: $45.98 price + $6.99 shipping estimate = $52.97* total. Location: REY12 BAG9. Up for your consideration is a NOS Yamaha 2ND O/S 0.50mm Piston Ring Set 77-78 IT400 80 IT425.+$6.99 shipping
  • Offer #4: $64.99 price + $0.00 shipping estimate = $64.99* total. NEW OEM.FREE SHIPPING
  • Offer #5: $65.99 price + $8.75 shipping estimate = $74.74* total. 1980 IT425G Crankshaft Piston NOS YAMAHA PISTON RING SET.+$8.75 shipping

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