SKU: 80860826303

Cylinder Piston Top End Kit 83mm For Yamaha YFM400FW Kodiak 400 4x4 1993-1999 Generic

$99.69 $110.77
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Description

Cylinder Piston Top End Kit 83mm For Yamaha YFM400FW Kodiak 400 4x4 1993-1999 GenericFeatures: 1. Kit includes piston, rings, pin, clips, & top end gasket kit (you get exactly what is pictured). 2. Cast piston has super high silicone content for additional strength. 3. Piston skirts are Molybdenium Teflon coated to minimize resistance wear and provide extended life. 4. Piston dome is anodized for superior heat resistance and longer lifespan. 5. The gaskets use performance materials to increase durability and provide greater

Features:
1. Kit includes piston, rings, pin, clips, & top end gasket kit (you get exactly what is pictured).
2. Cast piston has super-high silicone content for additional strength.
3. Piston skirts are Molybdenium Teflon coated to minimize resistance/wear and provide extended life.
4. Piston dome is anodized for superior heat resistance and longer lifespan.
5. The gaskets use performance materials to increase durability and provide greater reliability.
6. Includes all gaskets pictured to rebuild top end.
7. 8.6:1 compression ratio.
8. Kit is for standard bore size - 83.00mm.
9. All of the components within this kit are bolt-on ready for a hassle free installation.

Specifics:
1. Condition: Aftermarket 100% Brand New
2. Quantity: 1 Set
3. Piston Material: Forged Aluminum
4. Actual Displacement: 386 cc
5. Bore Size: STD 83 mm
6. Piston diameter: 82.9 mm
7. Piston height: 57.5 mm
8. Piston pin diameter: 19 mm
9. Piston pin height: 58 mm

Replaces Part Number:
Cylinder: 5FU-11310-01-00, 5FU-11310-00-00, 4GB-11310-00-00
Piston: 4GB-11631-00-Y0
Piston Ring Set: 4GB-11610-00-00, 42Y-11610-00-00, 42Y-11610-01-00
Wristpin: 51Y-11633-00-00
Circlip(2): 93450-19095-00
Cylinder Head Gasket: 1UY-11181-00-00, 1UY-11181-01-00
Cylinder Base Gasket: 4KB-11351-00-00, 3GD-11351-00-00
Chain Tensioner Gasket: 3GD-12213-00-00
O-Ring: 93210-86509-00

Fitment:
For Yamaha Kodiak 400 1993-1999
For Yamaha Big Bear 400 2000-2012

Package Includes:
1x Cylinder
1x Piston(STD)
1x Piston Ring Set
1x Wristpin
1x Circlip(2)
1x Cylinder Head Gasket
1x Cylinder Base Gasket
1x Chain Tensioner Gasket

Note:
Ring end gaps are checked prior to shipment for proper sizing.
Please check out the product and size fits your motorcycle or not before you purchase.

Warranty:
Returns: Customers have the right to apply for a return within 60 days after the receipt of the product
24-Hour Expert Online: Solve your installation and product problems

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 80860826303

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4.4 ★★★★★
Based on 1046 reviews
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Product Reviews
A
Verified Purchase
Amazon Customer
Alexandria, US
★★★★★ 4
A bit expensive
Size: Queen (Pack of 1)
Waited to give a review on this one because I needed several nights before I had any idea if it was as good as everyone says. I've had a real problem finding pillows lately. Either they're too soft to provide support and I wake up with a stiff neck or they're too sturdy and I wake up with a stiff neck. Contour pillows have worked best for me, but they fall under the category of too sturdy. I also toss and turn too much at night, which means I always end up in an awkward position with contour pillows. So I took a chance on an obscenely expensive pillow, and yes, that is the reason for one less star. I'd happily pay $70 for a pillow I thought was amazing and comfortable and perfect, but this one wasn't quite it. It IS comfortable. I have slept on it for a month now without it making my neck stiff, so it does actually provide a good balance between soft and sturdy. They make it easy to stuff the pillow to your preferred fluffiness and even provide extra stuffing if you need it, which adds to the degree of comfort. While the pillow does provide good neck support, I toss and turn a bit trying to find a comfortable position when I first try to sleep. The stuffing within the pillow moves around at night, most notably shifting to the side and the pillow is notably flatter now than when I first purchased it. You can fluff it out, similarly to a down pillow, but it doesn't seem to retain its shape on its own. In some ways, that's good because what it does instead is try to retain a shape that fits you. So yes, this is a really good pillow. One of the better ones you can buy. But it's really expensive for a pillow.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
A
Verified Purchase
Amber Teele
Draper, US
★★★★★ 5
Best pillow I've ever had
Size: Queen (Pack of 1)
I don't really write reviews but holy buckets, Batman. This pillow is legit. Back, neck, and shoulder pain is nothing new for me; I've had scoliosis since I was a kid and hyperflexibility in my neck since birth leading to frequent muscle spasms that have caused me to miss work. Guys. This pillow. It is the most comfortable pillow I've ever had. Like, my neck doesn't hurt and I genuinely didn't remember what that felt like. It's simultaneously supportive and soft and it doesn't sink in. The instructions are super clear to understand and the pillow fluffs up no problem if it gets a little flat. This is a game changer for me and I so hope anyone who buys this has the same experience.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 6, 2026
D
Verified Purchase
Dana K.
Dallas, US
★★★★★ 5
I highly recommend this pillow, it’s great for someone with neck or back problems.
Size: Queen (Pack of 1), Size: Queen (Pack of 1)
I absolutely love this pillow! When it says it’s adjustable it definitely means that. When you first get it, it’s hard to believe that it’s going to be anything but put it in the dryer for a few minutes and it becomes so large. You will definitely have to remove some of the stuffing unless you like a really large fluffy pillow. The stuffing is high-quality and once it has been put into the dryer it becomes a fibrous type material that can be fluffed over and over and go back to the same size. It seems to be a high-quality cover on the outer portion and is thick and has a slight cooling affect. It has a separate cover on the inner portion covering the foam stuffing. I ordered this because I have neck problems and it has been super comfortable for me because I’m able to adjust it multiple times depending on my needs for the particular night when I lay down. Having the extra stuffing means that if the pillow does happen to go flat I can always add the extra that I took out when I received it. It did have a slight odor when it first came, but after putting it in the dryer, it went away immediately. I do think that’s only due to the plastic that it’s shipped in not anything with the pillow. I think this pillow is well worth it price and I would highly recommend it for anyone that is a side or back sleeper or has any type of neck problems.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 3, 2026
C
Verified Purchase
Caitlyn
Birmingham, US
★★★★★ 5
Amazing!
Size: King (Pack of 1)
Such a great pillow I’m buying another one! You can add or subtract stuffing to your liking. It’s really nice quality, quilted and soft. Best pillow ever. Super comfy and great sleep. Pretty firm with all the stuffing. Perfect the way it came with stuffing on the side. My husband loves it and now I want one.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026
A
Verified Purchase
Alli
Chelsea, US
★★★★★ 5
Totally worth the money
Size: King (Pack of 1), Size: King (Pack of 1)
Right off the bat, the packaging is absolutely adorable and felt like I was buying a premium product. I love that this pillow is adjustable and as a side sleeper, I needed a pillow that is both firm and supportive of my neck. This hits all the boxes. We will be buying more of these for our bed!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2026

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