SKU: 4170495020

1987-1999 Yamaha Big Bear 350 4x4 (YFM350FW) Cylinder Piston Gasket Top End Kit Set 1UY-11310-03 93450-19095

Sale price$77.19 Regular price$85.77
Save 10%

Pay in installments of $21.44 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 2 - Aug 7

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

1987-1999 Yamaha Big Bear 350 4x4 (YFM350FW) Cylinder Piston Gasket Top End Kit Set 1UY-11310-03 93450-1909583mm Cylinder Jug Piston Gasket Kit For Yamaha Big Bear, Bruin, Grizzly, Moto 4, Raptor, Warrior, Wolverine 350 Features: Kit includes piston, rings, pin, clips & top end gasket kit (you get exactly what is pictured). Cast piston has super high silicone content for additional strength. Piston skirts are Molybdenium Teflon coated to minimize resistance wear and provide extended life. Piston dome is anodized for superior heat resistance and longer

83mm Cylinder Jug Piston Gasket Kit For Yamaha Big Bear, Bruin, Grizzly, Moto-4, Raptor, Warrior, Wolverine 350

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

Specifications:
Condition: Aftermarket 100% Brand New
Quantity: 1 Set
Piston Material: Forged Aluminum
Actual Displacement: 348cc
Bore Type: Stanard Bore
Bore Size: STD 83.00mm
Stroke: 64.50mm
Piston Diameter: 82.95mm
Piston Height: 58.80mm
Pin Height: 65mm
Pin Diameter: 19mm

Replacement Part Number:
Cylinder: 1UY-11310-03, 5YT-11310-00-00, 4WU-11310-00-00
Cylinder Base Gasket: 4KB-11351-00
Cylinder Head Gasket: 1UY-11181-01
Chain Tensioner Gasket: 3GD-12213-00
Piston: 1YW-11631-01-Y0, 1UY-11631-01-Y0, 5UH-11631-00-C0
Pin, piston: 55V-11633-00
Ring Set, piston: 4GB-11610-00
Circlips, piston: 93450-19095

Fitments:
Fit for Yamaha Moto-4 350 (YFM350ER) 1987 - 1995
Fit for Yamaha Big Bear 350 4x4 (YFM350FW) 1987 - 1999
Fit for Yamaha Big Bear 350 2x4 (YFM350U) 1996 - 1999
Fit for Yamaha Bruin 350 4x4 (YFM350FA) 2004 - 2006
Fit for Yamaha Bruin 350 2x4 (YFM350A) 2004 - 2006
Fit for Yamaha Grizzly 350 2x4 (YFM350G) 2007 - 2011
Fit for Yamaha Grizzly 350 4x4 (YFM350FG) 2007 - 2014
Fit for Yamaha Grizzly 350 4x4 IRS (YFM350FGI) 2007 - 2011
Fit for Yamaha Warrior 350 (YFM350X) 1987 - 2004
Fit for Yamaha Raptor 350 (YFM350R) 2004 - 2013
Fit for Yamaha Wolverine 350 4x4 (YFM350FX) 1995 - 2005
Fit for Yamaha Wolverine 350 2x4 (YFM350X) 2006 - 2009

(Compatibility Chart is for Reference ONLY!!!)
(Please Compare with Your faulty unit and the image we provided to Decide Fitment)

Package Includes:
1x 83mm Cylinder
1x Piston(STD)
1x Piston Ring Set
1x Wristpin
1x Circlip(2)
1x Cylinder Base Gasket
1x Cylinder Head 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: 4170495020

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.2 ★★★★★
Based on 9 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
S
Verified Purchase
Steffie Murphy
Phoenix, US
★★★★★ 5
The Perfect Valet Tray
Pattern Name: No Engraving, Pattern Name: No Engraving
Arrived well packaged in a sturdy box and wrapped in waterproof padding. The appearance of the wood and stain is high quality and matches pretty close to the walnt dresser. When I opned the box, it did not have any mysterious smells that make me sneeze. Adequate organizer that fits what I need. It is very balanced and sturdy with no warped wood. The notch for the phone charger cable is a nice touch Overall, I was presently surprised and would recommend this valet tray.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 4, 2026
C
Verified Purchase
Carmen O'Quinn
Omaha, US
★★★★★ 5
So cute
Pattern Name: No Engraving
So pretty in person. I know its for men but would look so cute for women who loves to where the same jewelry to have somewhere to keep things.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 14, 2026
G
Verified Purchase
Gary
Los Angeles, US
★★★★★ 4
Overall Sturdy Valet Tray
Pattern Name: No Engraving
The SEEDWAVE valet tray really impressed me with its sturdiness. The wood feels solid and well-crafted—there's no worry about cracking unless you decide to use it as a frisbee! The only minor issue I encountered was that my tray didn't sit perfectly flat on my nightstand at first. I noticed a slight warp in the middle, but that was easily fixed by adding stick-on rubber footers, which leveled out the tray nicely. Since then, I've continued to use it as my valet tray in the kitchen, and it's held up beautifully over time.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 25, 2026
T
Verified Purchase
Tammy Milligan
Phoenix, US
★★★★★ 5
Great quality
Gave this tray to my husband for his birthday! Great quality! He is able to fit his glasses, wallet, and keys!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 11, 2026
C
Verified Purchase
Camille Ulmer
Waukegan, US
★★★★★ 5
My husband loves it!
Pattern Name: No Engraving
I got this for my husband for Christmas and he absolutely loves it! He actually wants another one for his office. It looks and feel durable and nice and the aesthetic is very pleasing. Extremely practical and functional. Perfect for his phone charger because his was always slipping off of his bedside table. Will probably be back for another one this year for him!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 6, 2025

recommand products