20 Best 2004 Yfz 450 Big Bore Kit [2024]

Are you looking for the best 2004 Yfz 450 Big Bore Kit? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling 2004 Yfz 450 Big Bore Kit.

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1 Yamaha YFZ450 Cylinder Piston Gasket Kit Bore 95mm ATV Direct Replacement 2004-2009,2012-2013 Yamaha YFZ450 Cylinder Piston Gasket Kit Bore 95mm ATV Direct Replacement 2004-2009,2012-2013
2 Tuzliufi Top End Big Bore Head Rebuild Gasket Set Kit Compatible with Yamaha YFZ450 YFZ 450 Carb... Tuzliufi Top End Big Bore Head Rebuild Gasket Set Kit Compatible with Yamaha YFZ450 YFZ 450 Carb...
3 maXpeedingrods 95mm Cylinder Piston Gasket Top End Rebuild Kit for Yamaha YFZ450 2004 2005 2006... maXpeedingrods 95mm Cylinder Piston Gasket Top End Rebuild Kit for Yamaha YFZ450 2004 2005 2006...
4 Topteng Motorcycle Cylinder Piston Kit, Cylinder Piston Rings Top End Kit Set fits for Yamaha TTR... Topteng Motorcycle Cylinder Piston Kit, Cylinder Piston Rings Top End Kit Set fits for Yamaha TTR...
5 Athena P400485100015 Cylinder Kit for Yamaha Stock Bore Engine Athena P400485100015 Cylinder Kit for Yamaha Stock Bore Engine
6 Athena P400485100016 Cylinder Kit for Yamaha Big Bore Engine Athena P400485100016 Cylinder Kit for Yamaha Big Bore Engine
7 LAIMAI Accessories Kit for Roborock S6 Pure E4 S6 S5 S4 E25 E20 E35 C10 S50 S51 Xiaomi Mi Mijia... LAIMAI Accessories Kit for Roborock S6 Pure E4 S6 S5 S4 E25 E20 E35 C10 S50 S51 Xiaomi Mi Mijia...
8 QUALITY Carburetor Rebuild Kit for the 2004-2009 Yamaha YFZ 450 ATV QUALITY Carburetor Rebuild Kit for the 2004-2009 Yamaha YFZ 450 ATV
9 BBR Motorsports 120cc Big Bore Kit with Cam 411-HXR-1001 BBR Motorsports 120cc Big Bore Kit with Cam 411-HXR-1001
10 Specbolt Fasteners 250pc Maintenance Restoration OE Spec Motorcycle Bolt Kit for Yamaha YZF 250 400... Specbolt Fasteners 250pc Maintenance Restoration OE Spec Motorcycle Bolt Kit for Yamaha YZF 250...
11 Direct Replacement Relay for Yamaha Part # 5DM-81950-00-00 - Sealed OEM Quality Direct Replacement Relay for Yamaha Part # 5DM-81950-00-00 - Sealed OEM Quality
12 NIBBI Racing Parts Original Replacement High Performance Speed Modified Carburetor Kit PE26MM GY6... NIBBI Racing Parts Original Replacement High Performance Speed Modified Carburetor Kit PE26MM GY6...
13 NIBBI Replacement Orginal High Performance Speed Modified Carburetor PE30MM Main jet Slow jet Fit... NIBBI Replacement Orginal High Performance Speed Modified Carburetor PE30MM Main jet Slow jet Fit...
14 102mm 686cc Big Bore Cylinder Piston Gasket Kit Fit Yamaha Grizzly Raptor 660R YFM660R 102mm 686cc Big Bore Cylinder Piston Gasket Kit Fit Yamaha Grizzly Raptor 660R YFM660R
15 GOOFIT 62.5mm Engine Parts Cylinder Liners Heads Piston Gasket Block Kit Replacement for GY6 180cc... GOOFIT 62.5mm Engine Parts Cylinder Liners Heads Piston Gasket Block Kit Replacement for GY6...
16 TOP NOTCH PARTS 440cc BIG BORE CYLINDER PISTON RINGS TOP END KIT FITS HONDA TRX400EX TRX 400EX 99 00... TOP NOTCH PARTS 440cc BIG BORE CYLINDER PISTON RINGS TOP END KIT FITS HONDA TRX400EX TRX 400EX 99...
17 69mm Valve Big Bore Kit 100cc replacement for GY6 49CC 50CC 139QMB Moped Scooter Engine 50mm Bore... 69mm Valve Big Bore Kit 100cc replacement for GY6 49CC 50CC 139QMB Moped Scooter Engine 50mm Bore...
18 Trail Tech 752-118 Black Vapor Digital Speedometer Tachometer Gauge Kit, 1987-2019 Yamaha Kawasaki... Trail Tech 752-118 Black Vapor Digital Speedometer Tachometer Gauge Kit, 1987-2019 Yamaha...
19 Complete Gasket Kit Compatible with YFZ450 YFZ 450 2004 2005 2006 2007 2008 2009 Top and Bottom End... Complete Gasket Kit Compatible with YFZ450 YFZ 450 2004 2005 2006 2007 2008 2009 Top and Bottom...
20 NICHE 450cc Cylinder Piston Gasket Top End Kit for Yamaha YFZ450 5TA-11311-12-00 5TG-11633-10-00 NICHE 450cc Cylinder Piston Gasket Top End Kit for Yamaha YFZ450 5TA-11311-12-00 5TG-11633-10-00
Bestseller No. 1
Yamaha YFZ450 Cylinder Piston Gasket Kit Bore 95mm ATV Direct Replacement 2004-2009,2012-2013
  • Package Include Cylinder, Piston, Piston Rings, Wristpin, Circlips (2) Head Gasket, Base Gasket, Chain Tensioner Gasket
  • 95 mm x 63.4 mm bore and stroke
  • 449cc displacement
  • 11.4:1 compression
  • Weight:1.77kg
Bestseller No. 2
Tuzliufi Top End Big Bore Head Rebuild Gasket Set Kit Compatible with Yamaha YFZ450 YFZ 450 Carb...
  • You will get what you see in main picture.
  • 2 items included.
  • Compatible with YFZ450 Carb Models 2004 2005 2006 2007 2008 2009 2010 2012 2013
  • Compatible with YZ450F Dirt Bikes 2003 2004 2005
  • Note: This item is a replacement part. Not OEM part. Please make sure the images are the same with what you want. If not, please do not purchase it...
Bestseller No. 3
maXpeedingrods 95mm Cylinder Piston Gasket Top End Rebuild Kit for Yamaha YFZ450 2004 2005 2006...
  • Fit for Yamaha YFZ450 2004-2009 2012-2013
  • Part Numbers:5TA-11311-12-00,5TG-11633-10-00,5TG-11603-00-00,99999-03528-00,99009-20500-00,5TA-11181-00-00
  • Part...
  • Size:Cylinder Bore and Stroke 95mm x 63.40mm
  • Package Contents:Cylinder, Piston, Piston Rings, Wristpin, Circlips, Head Gasket, Base Gasket, Chain Tensioner Gasket.You will get the same as the...
Bestseller No. 4
Topteng Motorcycle Cylinder Piston Kit, Cylinder Piston Rings Top End Kit Set fits for Yamaha TTR...
  • Please confirm the part number before ordering. A complete top end kit is offered.
  • Engineered and Tested to Meet or Exceed Original Equipment Standards and Performance.
  • This kit is designed specifically for the DIY (Do It Yourself) mechanic. Cylinder is a Cast Aluminum 54.00mm Standard Bore Replacement with Steel...
  • Forged Piston With 11:1 Compression Ratio. Our Gaskets are all top quality and will keep a perfect seal between all of the components.
  • The cylinder is cleaned, bored and honed to the specific clearances for the piston you receive in the kit. This kit includes a cylinder, piston,...
Bestseller No. 5
Athena P400485100015 Cylinder Kit for Yamaha Stock Bore Engine
  • Package Dimensions :33.528 Cm L X21.336 Cm W X15.748 Cm H
  • Product Type :Powersports Vehicle Part
  • Chosen By The Top Race Teams In All Forms Of Racing Including Super Cross, Motocross, Gncc, Superbike, And More
  • Built From Race Proven Designs To Yamaha Factory Specifications
  • Projects Use 3D Solid Modelling Software Creating Virtual Simulation And Verification Of Mechanical Stresses
Bestseller No. 6
Athena P400485100016 Cylinder Kit for Yamaha Big Bore Engine
  • Projects use 3D solid modelling software creating virtual simulation and verification of mechanical stresses
  • Built from race proven designs to Yamaha factory specifications
  • Chosen by the top race teams in all forms of racing including super cross, motocross, GNCC, superbike, and more
  • Maximizes HP and service life in Yamaha Dirt Bikes and offroad vehicles
  • Fits the following rides Yamaha YFZ 450 S 2004-2011
Bestseller No. 7
LAIMAI Accessories Kit for Roborock S6 Pure E4 S6 S5 S4 E25 E20 E35 C10 S50 S51 Xiaomi Mi Mijia...
  • Compatible model:
    The accessories kits compatible with Roborock S6 Pure E4 S6 S5 S4 E25 E20 E35 C10 S50 S51 Xiaomi Mi Mijia Robotic...
  • Package List:
    2 Pcs Main Brushes;
    4 Pcs Hepa Filters;
    4 Pcs Mop Cloths;
    8 Pcs Side brushes;
    1 Pc Main Brush Cover;...
  • Materials and Installation:
    It's make of advanced environmental friendly materials, so that it can resist a stronger impact force to...
  • Usage tips:
    If you could clean and replace the replacement parts regularly, the vaccum would keep at peak performance all the time and...
  • Guarantee:
    It's our target to offer great customer service and high quality product to you. If you have any problems, please do not...
Bestseller No. 9
BBR Motorsports 120cc Big Bore Kit with Cam 411-HXR-1001
  • Kit Includes: BBR aluminum cylinder, piston, rings, piston pin, clips, performance camshaft, heavy-duty valve springs, rockers with tappet adjusters...
Bestseller No. 10
Specbolt Fasteners 250pc Maintenance Restoration OE Spec Motorcycle Bolt Kit for Yamaha YZF 250 400...
  • 250 pieces of original factory fit flange bolts, nuts, special Yamaha fasteners, and fender washers
  • Yamaha OEM type; Strong heat treated 8.8 & 10.9 grade bolts that meet and exceed original specs
  • Big assortment of OEM style fasteners, sprocket bolt set, square fender nuts, and fork guard bolts
  • Used for maintenance, repair, upkeep, and or partial restoration of YZF250 YZF 400 YZF426 YZF450
  • Complete and organized in a tough 18 compartment heavy duty poly storage box
Bestseller No. 11
Direct Replacement Relay for Yamaha Part # 5DM-81950-00-00 - Sealed OEM Quality
  • This is a Direct Replacement for the Yamaha 5DM-81950-00-00 Relay
  • Save yourself over $12 with this Quality Relay
  • Easy Do-It-Yourself PLUG and PLAY Installation
Bestseller No. 12
NIBBI Racing Parts Original Replacement High Performance Speed Modified Carburetor Kit PE26MM GY6...
  • 1.NIBBI PE Carburetor is refined to perfection and has set the standard among scooter and motocross racing carburetors.
  • 2.Chromed round-flat throttle valve for excellent response and more flow at high RPM.
  • 3.Available in four popular sizes to cover all your horsepower requirements.
  • 4.Easy tuning with jetting parts.
  • 5.Fit for 2T and 4T engine.
Bestseller No. 13
NIBBI Replacement Orginal High Performance Speed Modified Carburetor PE30MM Main jet Slow jet Fit...
  • 1.NIBBI PE Carburetor is refined to perfection and has set the standard among scooter and motocross racing carburetors.
  • 2.Chromed round-flat throttle valve for excellent response and more flow at high RPM.
  • 3.Available in four popular sizes to cover all your horsepower requirements.
  • 4.Easy tuning with jetting parts.
  • 5.Fit for 2T and 4T engine.
Bestseller No. 14
102mm 686cc Big Bore Cylinder Piston Gasket Kit Fit Yamaha Grizzly Raptor 660R YFM660R
  • The Bore cylinder and Stroke is 102.00mm x 84.00mm
  • OEM Replacement: 3YF-11181-00-00, 5KM-11310-00-00, 3YF-11351-00-00, 2C6-11603-00-00, 93450-24028-00, 3YF-11631-00-X0, 3YF-11633-01-00, 90201-102G9-00,...
  • The cylinder Displacement is 686cc / Piston Compression 10.0:1
  • This product includes Piston Kit, Gasket Kit, OE Type Cylinder
  • Fits: Grizzly 660 02-08, Raptor 660 01-05, Rhino 660 04-07
Bestseller No. 15
GOOFIT 62.5mm Engine Parts Cylinder Liners Heads Piston Gasket Block Kit Replacement for GY6 180cc...
  • Cylinder diameter:62.5mm/2.46".Distributor diameter:28mm/1.1".Piston diameter:62.5mm/2.46".Piston pin diameter:15mm/0.59"
  • Replacement for 62.5mm 4-Stroke GY6 180cc 200cc ATV UTV Scooter Go Kart 152QMI 157QMJ GY6 150 Engine
  • Replacement for GY6 152QMI 157QMJ Engine scooter
  • 100% new and high-quality engine set.Before buying,please check whether the size fits the bike model
  • Warranty:We are always available to help our customers.Please message us for replacement or refund if you are not satisfied with the order
Bestseller No. 16
TOP NOTCH PARTS 440cc BIG BORE CYLINDER PISTON RINGS TOP END KIT FITS HONDA TRX400EX TRX 400EX 99 00...
  • REPLACES OEM NUMBER 12100-KCY-670 12191-KCY-672 13011-KCY-670 13101-KCY-670 90601-KA5-000 13111-KCY-670 12251-HN1-003 12391-KCY-671 14560-KCW-851
  • HONDA TRX 400EX 440cc BIG BORE CYLINDER PISTON TOP END KIT
  • PISTON TOP HAS A CERAMIC COATING PROVIDING SUPERIOR HEAT RESISTANCE WHICH WILL EXTEND THE LIFE SPAN OF THE PISTON. * THIS IS THE BEST QUALITY KIT ON...
  • PURCHASE INCLUDES: 1X CYLINDER 1X PISTON. 1X PISTON PIN. 2X CIRCLIPS. 1X COMPLETE SET OF RINGS. 1X HEAD GASKET. 1X BASE GASKET. 1X HEAD COVER GASKET....
  • PARTS FIT: 1999 - 2008 HONDA TRX 400EX.
Bestseller No. 17
69mm Valve Big Bore Kit 100cc replacement for GY6 49CC 50CC 139QMB Moped Scooter Engine 50mm Bore...
  • This big bore kit will upgrade your gy6 50cc 60cc 80cc to 100cc, without EGR, to get more RPM,more power, faster maximum speed.
  • We have 2 versions, 64mm and 69mm valve length version. Please confirm before ordering.
  • Easy installation With racing AC CDI, ignition coil and racing spark plug included
  • This is one of the best upgrades you can do to your 50cc Scooter
Bestseller No. 18
Trail Tech 752-118 Black Vapor Digital Speedometer Tachometer Gauge Kit, 1987-2019 Yamaha Kawasaki...
  • Features include a large RPM graph and speed readout, programmable LED lights that blink when it’s time to shift gears or during an over-temp event
  • Vapor displays speed, tach, engine temperature, ambient temperature, resettable distance, clock, ride time, and odometer
  • Customize and fine tune Vapor for tire size, tach sensitivity, and trigger temps for the temp and tach warning lights
  • Vapor can operate on regulated AC or 12V DC electrical systems, meaning it works on almost everything
  • Use the built-in stop watch for race training, or resettable trip distance for enduro courses
Bestseller No. 19
Complete Gasket Kit Compatible with YFZ450 YFZ 450 2004 2005 2006 2007 2008 2009 Top and Bottom End...
  • Complete Gasket Kit Compatible with YFZ450 YFZ 450 2004-2009 Top and Bottom End Set
Bestseller No. 20
NICHE 450cc Cylinder Piston Gasket Top End Kit for Yamaha YFZ450 5TA-11311-12-00 5TG-11633-10-00
  • Replaces OEM Part Numbers: Yamaha 5TA-11311-12-00, 5TG-11633-10-00,5TG-11603-00-00, 99999-03528-00, 99009-20500-00, 5TA-11181-00-00,5TA-11351-00-00,...
  • Compatible with the 2004-2006, 2012-2013 Yamaha YFZ450
  • Includes Cylinder, Piston, Wristpin, Circlips, Piston Rings and Chain Tensioner Gasket
  • Also includes Head and Base Gaskets
  • Cylinder Bore and Stroke 95.00mm x 63.40mm

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  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your 2004 Yfz 450 Big Bore Kit.
  5. Customer Ratings: Number ratings grade 2004 Yfz 450 Big Bore Kit objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 2004 Yfz 450 Big Bore Kit.
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