SKU: 89168216804

1994 Honda ATV TRX300FW Cylinder Piston Top End Gasket Kit 12000-HC4-000 12251-HA0-004

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Description

1994 Honda ATV TRX300FW Cylinder Piston Top End Gasket Kit 12000-HC4-000 12251-HA0-0041988 2000 Honda TRX300 Fourtrax FW 4x4 2x4 Cylinder Piston Top End Gasket Kit Features: Kit includes cylinder, spark plugs, oil filter, 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

1988-2000 Honda TRX300 Fourtrax FW 4x4 2x4 Cylinder Piston Top End Gasket Kit

Features:
Kit includes cylinder, spark plugs, oil filter, 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 - 74.00 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
Cylinder Material: High-Grade Cast Aluminum
Piston Material: Forged Aluminum
Bore Size: STD 74.00mm
Spark Plug Dimension:
Thread Diameter: 12mm
Thread Length: 19mm
Electrode Gap:0.9mm

Replacement Part Number:
Cylinder: 12000-HC4-000, 12100-HC4-000
Cylinder head gasket: 12251-HA0-004
Cylinder base gasket: 12191-HC4-900
Cylinder o-ring(78.3x2mm): 91304-HA0-003
Valve tappet cover o-rings(57x3mm): 12392-HC4-005
Cylinder o-ring(33.7x2.4mm): 91305-HA0-680 (Sits Between Cylinder and Intake Manifold)
Intake pipe gasket: 18291-MN4-920
Valve stem seals: 12209-KL4-005
Oil filter: 15412-HM5-A10

FITMENT:
Fit for Honda TRX 300 2x4 & 4x4 FW four-wheelers 1988-2000
(This is for the Utility Model ATVs with the rack on the front and the back, NOT the race model ATVs)

Fit for 1988 Honda ATV TRX300 FOURTRAX 300
Fit for 1988 Honda ATV TRX300FW FOURTRAX 4X4
Fit for 1989 Honda ATV TRX300 FOURTRAX
Fit for 1989 Honda ATV TRX300FW FOURTRAX 4X4
Fit for 1990 Honda ATV TRX300
Fit for 1991 Honda ATV TRX300
Fit for 1991 Honda ATV TRX300FW
Fit for 1992 Honda ATV TRX300
Fit for 1992 Honda ATV TRX300FW
Fit for 1993 Honda ATV TRX300
Fit for 1993 Honda ATV TRX300FW
Fit for 1994 Honda ATV TRX300
Fit for 1994 Honda ATV TRX300FW
Fit for 1995 Honda ATV TRX300
Fit for 1995 Honda ATV TRX300FW 4X4
Fit for 1996 Honda ATV TRX300 FOURTRAX
Fit for 1996 Honda ATV TRX300FW FOURTRAX 4X4
Fit for 1997 Honda ATV TRX300
Fit for 1997 Honda ATV TRX300FW 4X4
Fit for 1998 Honda ATV TRX300
Fit for 1998 Honda ATV TRX300FW 4X4
Fit for 1999 Honda ATV TRX300 FOURTRAX
Fit for 1999 Honda ATV TRX300FW FOURTRAX 4X4
Fit for 2000 Honda ATV TRX300
Fit for 2000 Honda ATV TRX300FW 4X4

Package includes:
1x Cylinder
1x Standard Size Piston
1x Piston Ring Set
1x Wristpin
2x Circlips
1x Oil Filter
1x Cylinder Head Gasket
1x Cylinder Base Gasket
1x Exhaust Gasket
2x Valve Stem Seals
1x Exhaust Gasket
1x Cylinder O-ring(78.3x2mm)
2x Valve Tappet Cover C-rings(57x3mm)
1x Sits Between Cylinder and Intake Manifold O-ring(33.7x2.4mm)
1x Exhaust Pipe Gasket
2x Spark Plug

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: 89168216804

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4.1 ★★★★★
Based on 27 reviews
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Product Reviews
W
Verified Purchase
William Belden
Lake Worth, US
★★★★★ 5
Great Toy
Size: One Size, Style: Stick
I breed German shepherds. This toy is a soft formed stick made of a memory foam/ rubber polymer. It’s light weight, very durable, floats and my German Shepherds love retrieving this toy. They are not indestructible but they are a great chewing toy for their price. I usually buy several at a time. This toy will help clean their teeth and is soft enough not to damage their teeth. It’s a favorite item for my dogs.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 9, 2024
N
Verified Purchase
Nurse Ratched
Whiting, US
★★★★★ 5
SPECTACULAR dog chew toy!
Size: One Size, Style: Ball
If you look at my profile, you will see that I have bought and reviewed a LOT of dog toys! My boxer is an "aggressive" chewer and we go through dog toys quickly in my house. This has been one of my very favorite chew toys that I have ever purchased. This company sells quite a few of these chew toys in different shapes. This ball is made from a very light foam rubber (I think) material. When I showed it to my husband, he said "that won't last 5 minutes" and I had my doubts too. However, this ball has proven to be EXTREMELY durable! Because it is made from the foam material, it has a lot of tooth sized holes in it after she chews it, but she has been unable to chew the toy apart. I bought another of these chew toys made from the same material in a different shape thinking surely there was some accident that the toy had held up for so long. Nope, the new toy has held up just as well! The toys float in water and are very light and easy to throw. Overall, I will be buying more of these toys and would recommend this product!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2015
R
Verified Purchase
R. Smith
Lexington, US
★★★★★ 1
Didn't last one day.
Size: Large, Style: Duck Slingshot, Size: Large, Style: Duck Slingshot
Didn't last even an hour. This damage wasn't from the dog either, it looks like it let loose from the stress of just trying to launch it! It doesn't fly near as far as the discontinued Pig Slingshot toy. Bring back the pig, please. I also ordered the other listed Hyper Pet flying fowl, and it flew the same distance as this one, and has lasted through the day (but needs to be heavier). But for this one, perhaps they needed to double stitch the area under the 'chin'? I'll try to return it. It looks like it should be more durable, but at least that part isn't. Second one: I chose the replacement, instead of a refund because my dog loves me shooting the toys into the yard. He saw the new duck, and was excited. Six shots in and the seam on the bottom of the head was already separating. By 10 or so times, it was getting concerning as the seams were opening enough I was concerned that it would lose its filling. I'm disappointed, and so is my dog. Just in case anyone is wondering, I never let him alone with this, and still feel, even more so, that the failure is the stitching on the bottom of the head, right at the point where the most stresses of launching it are focused. I'd strongly recommend that Hyper Pet use two layers of full canvas over that area, and also Bring Back The Slingshot Pig, PLEASE... The second picture is the second Duck, and my 7 month old. He wasn't ready to end the session. The problem, for us, is that the 'dog run' isn't very long, and all of the other toys I have are bazooka style launching devices that I can't use yet as they would fly far over the fence. Ironically one is from Hyper Pet, and is amazing. Works so well. Too well?
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 11, 2022
D
Verified Purchase
Deidra Flaherty
Lowell, US
★★★★★ 4
Not for labrador chewing.
Size: One Size, Style: Stick, Size: One Size, Style: Stick
Not recommended for a Labrador if they enjoy retrieving then chewing, because the stick will only last 20-30mins. The stick does float, and is hollow which is good when it’s been bitten down to ball size.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 24, 2026
B
Verified Purchase
Barret G.
Fort Morgan, US
★★★★★ 3
Great toy except the stitching
Size: Large, Style: Duck Slingshot, Size: Large, Style: Duck Slingshot
Excellent toy. My Lab immediately loved it and I used it to get her to swim for the first time! However, after just one use, the stitching started coming apart under the head. I wish it had been more durable, my dog loves it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 2, 2026

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