20 Best Grizzly 450 Big Bore Kit [2024]

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

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1 Orion Motor Tech ATV 4x110 Wheel Spacers 2 Inches with 10x1.25 Studs, Compatible with Polaris... Orion Motor Tech ATV 4x110 Wheel Spacers 2 Inches with 10x1.25 Studs, Compatible with Polaris...
2 MOTOKU Carburetor Carb for Bruin Big Bear Wolverine Kodiak Grizzly 250 350 400 450 YFM 4x4 ATV MOTOKU Carburetor Carb for Bruin Big Bear Wolverine Kodiak Grizzly 250 350 400 450 YFM 4x4 ATV
3 YFM400 Carburetor Carb Kit Compatible with Yamaha Big Bear wolverine Kodiak Grizzly 400 YFM 400... YFM400 Carburetor Carb Kit Compatible with Yamaha Big Bear wolverine Kodiak Grizzly 400 YFM 400...
4 Camco Black Boar ATV Rear Storage Box and Lounger (66010) Camco Black Boar ATV Rear Storage Box and Lounger (66010)
5 GOOFIT 57.4mm Bore Cylinder Kit with Piston for 4 Stroke GY6 150cc ATV 157QMJ Engine GOOFIT 57.4mm Bore Cylinder Kit with Piston for 4 Stroke GY6 150cc ATV 157QMJ Engine
6 Yamalube Oil Change Kit 10W-40 for Yamaha GRIZZLY 450 4x4 2007-2010 Yamalube Oil Change Kit 10W-40 for Yamaha GRIZZLY 450 4x4 2007-2010
7 WOOSTAR 62.5mm Big Bore Complete Cylinder Head with Piston Kit Replacement for 4 Stroke GY6 170cc... WOOSTAR 62.5mm Big Bore Complete Cylinder Head with Piston Kit Replacement for 4 Stroke GY6 170cc...
8 BLACKHORSE-RACING Cylinder Gasket Piston Ring Kit Set Top End Bike Compatible with Yamaha PW 80 PW80... BLACKHORSE-RACING Cylinder Gasket Piston Ring Kit Set Top End Bike Compatible with Yamaha PW 80...
9 GY6 Cylinder Rebuild Kits Trkimal 100cc Big Bore Kit for 64mm Valve 49CC 50CC 139QMB Moped Scooter... GY6 Cylinder Rebuild Kits Trkimal 100cc Big Bore Kit for 64mm Valve 49CC 50CC 139QMB Moped...
10 BBR Motorsports 120cc Big Bore Kit with Cam 411-HXR-1001 BBR Motorsports 120cc Big Bore Kit with Cam 411-HXR-1001
11 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
12 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...
13 hongyu 61mm Big Bore Cylinder Head Kit for GY6 125cc to 180cc Engine with 69mm Valves scooter taotao... hongyu 61mm Big Bore Cylinder Head Kit for GY6 125cc to 180cc Engine with 69mm Valves scooter...
14 Haynes 2567 Yamaha Kodiak ATV Manual Haynes 2567 Yamaha Kodiak ATV Manual
15 CLEO GY6 180cc Cylinder Head Kit Assy 61mm Big Bore with 69mm Valves for 152QMI 157QMJ Scooter Moped... CLEO GY6 180cc Cylinder Head Kit Assy 61mm Big Bore with 69mm Valves for 152QMI 157QMJ Scooter...
16 Athena P400485100016 Cylinder Kit for Yamaha Big Bore Engine Athena P400485100016 Cylinder Kit for Yamaha Big Bore Engine
17 NAVARME 139QMB 100cc Scooter Engine Big Bore Kit GY6 50mm Cylinder GY6 4 Stroke Motor NAVARME 139QMB 100cc Scooter Engine Big Bore Kit GY6 50mm Cylinder GY6 4 Stroke Motor
18 YFM350 Carburetor w/Intake Manifold for Yamaha Big Bear Warrior Wolverine Moto-4 YFM 350 Yfm350 ATV... YFM350 Carburetor w/Intake Manifold for Yamaha Big Bear Warrior Wolverine Moto-4 YFM 350 Yfm350...
19 GOOFIT Performance Big Bore Cylinder Kit GY6 80cc 47mm for 139QMB ATV Scooter Moped Go Kart GOOFIT Performance Big Bore Cylinder Kit GY6 80cc 47mm for 139QMB ATV Scooter Moped Go Kart
20 Complete GY6 Cylinder Head Rebuild Kits with valves, Trkimal 57.4mm 150cc Big Bore Upgrade Kits for... Complete GY6 Cylinder Head Rebuild Kits with valves, Trkimal 57.4mm 150cc Big Bore Upgrade Kits...
Bestseller No. 1
Orion Motor Tech ATV 4x110 Wheel Spacers 2 Inches with 10x1.25 Studs, Compatible with Polaris...
  • SPECIFICATIONS: Bolt Pattern: 4x4.33"(vehicle) to 4x4.33"(wheel). Center Bore: 74.1 mm/2.91". Thickness: 2.0". Quantity: 4 pieces. Thread Size:...
  • COMPATIBILITY: Fitment for Honda, Polaris, Kawasaki, Yamaha, Rhino, Grizzly, and Suzuki ATVs - see product description below for full make/model...
  • 4x110 ATV WHEEL SPACERS: Our front and rear wheel spacers provide your all-terrain vehicle with an aggressive stance and appearance while improving...
  • TRUSTED QUALITY: Precision-machined 6061-T6 aircraft-grade aluminum billet with heat-treated and hardened 10.9-grade bolts pre-installed. Anodized...
  • 2-YEAR WARRANTY: We offer a 2-year warranty for this full set (spacers, bolts, and nuts). Contact our helpful service representatives if you have any...
Bestseller No. 2
MOTOKU Carburetor Carb for Bruin Big Bear Wolverine Kodiak Grizzly 250 350 400 450 YFM 4x4 ATV
  • Fits Yamaha Big Bear 250 2007-2009; Big Bear 400 2000-2012
  • Fits Bruin 250 2005-2006; Bruin 350 2004-2006
  • Fits Grizzly 350 2007-2014 ; Grizzly 400 2007-2008; Grizzly 450 2007-2012
  • Fits Kodiak 400 2000-2006; Kodiak 450 2003-2006
  • Fits Wolverine 350 2006-2009; Wolverine 450 2007-2010
Bestseller No. 3
YFM400 Carburetor Carb Kit Compatible with Yamaha Big Bear wolverine Kodiak Grizzly 400 YFM 400...
  • ★ Carburetor Compatible with Yamaha Kodiak 400 YFM 400 YFM400 2000 2001 2002 2003 2004 2005 2006 ATV.
  • ★Compatible withyamaha Big Bear 400 250 2wd 4wd yfm400 2000-2003 new carb.Fits for 2005 yamaha big bear 400 4x4 parts,Fits for yamaha 2005 kodiak...
  • ★ Compatible with 2000 - 2006 KODIAK 400. 2x4 & 4x4 models. Fit for Yamaha KODIAK 400 2WD 4WD YFM400 2000-2003,Fit for Yamaha KODIAK 400 2x4 4x4...
  • ★ 100% Brand New and High Quality,Compatible with Yamaha ATVs Models: Fits for YAMAHA BIG BEAR 400 YFM 400 YFM400F 2000-2007.Fits for 2001 yamaha...
  • ★Compatible with 2000 yamaha kodiak 400 carb,Fit for 2004 kodiak 400 carburetor,Fit for 2005 yamaha kodiak 400 carburetor,Fit for big bear 400...
Bestseller No. 4
Camco Black Boar ATV Rear Storage Box and Lounger (66010)
  • Offers a Cushioned Seat: Seat measures 20-inches (W) x 12-inches (D) x 16-inches (H) with back support that is 13 ½-inches (H); Provides Storage:...
  • Compatibility: Compatible with most tubular racks
  • Durable Construction: Constructed of durable, impact-resistant polyethylene material
  • Mounting Hardware Included: All mounting hardware is included inside the storage box. Note: This product is shipped with the storage compartment...
  • Quality Products: Camco makes quality products for RVing, boating, camping, towing, tailgating, and grilling that help take your passion for the...
Bestseller No. 5
GOOFIT 57.4mm Bore Cylinder Kit with Piston for 4 Stroke GY6 150cc ATV 157QMJ Engine
  • Inner diameter of cylinder:57.4mm/22.6",hole spacing:54mm/2.12",outer diameter of piston pin:15mm/5.9"(as the picture shows)
  • Replacement for 4 stroke GY6 150cc 152QMI 157QMJ engine
  • Fits the 157QMJ engines with the EGR head,76mm bolt pattern 2 1/2" tall head
  • Package including cylinder head,gaskets,piston,piston rings,clips,wrist pin
  • Warranty:We are always available to help our customers.If you are not satisfied with the order,please leave us a message.Wish you to have a happy...
SaleBestseller No. 6
Yamalube Oil Change Kit 10W-40 for Yamaha GRIZZLY 450 4x4 2007-2010
  • Contains OEM oil filters, any necessary seals, and enough oil to fill your machine.
  • Complete oil kits for one oil change.
Bestseller No. 7
WOOSTAR 62.5mm Big Bore Complete Cylinder Head with Piston Kit Replacement for 4 Stroke GY6 170cc...
  • ★【REPLACEMENT FOR】4 Stroke GY6 170cc 180cc 200cc 1P63QML Engine Chinese ATV Quad 4 Wheeler Go Kart Scooter;【NOT REPLACEMENT FOR】GY6 A...
  • ★【SIZE】Piston diameter:62.5mm/2.5",Piston pin diameter:15mm/0.59";Mounting hole distance:60mm/2.4";(As the picture shows)
  • ★【EASY TO INSTALL】High quality cylinder replacement part.High toughness,corrosion resistance,rustproof and durable.Has a good heat dissipation...
  • ★【NOTE】Please verify model number and size prior to ordering to ensure this is the correct part;
  • ★【WOOSTAR CUSTOMER SERVICE】Always available to help our customers.Please message us for replacement or refund if you are not satisfied with the...
Bestseller No. 8
BLACKHORSE-RACING Cylinder Gasket Piston Ring Kit Set Top End Bike Compatible with Yamaha PW 80 PW80...
  • √Complete Standard Sized Replacement Cylinder Kit
  • √Cylinder Displacement 79cc / Compression 6.6:1
  • √Cylinder Bore and Stroke 47.00mm x 45.60mm
  • √Fitment: Compatible with 1983-2006 YAMAHA PW80
  • √OEM Part Number: 21W-11111-00-00, 1W7-11181-00-00, 4AW-11351-00-00, 3E5-11631-00-97, 14N-11603-00-00, 93450-13022-00, 93310-11268-00,...
Bestseller No. 9
GY6 Cylinder Rebuild Kits Trkimal 100cc Big Bore Kit for 64mm Valve 49CC 50CC 139QMB Moped Scooter...
  • This big cylinder kit will upgrade your gy6 50cc 60cc 80cc to 100cc, without EGR, to get more RPM,more power, faster maximum speed.
  • 64mm valve length version
  • Easy Installation
  • Upgrade engine parts included cylinder body kits, cylinder head kits, camshaft, camshaft seat kits, gaskets kits, oil pump and gear, clutch spring...
  • Upgrades parts kits for most of 50cc scooter
Bestseller No. 10
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. 11
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. 12
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. 13
hongyu 61mm Big Bore Cylinder Head Kit for GY6 125cc to 180cc Engine with 69mm Valves scooter taotao...
  • Fit GY6 150cc to 180cc 152QMI 157QMJ Engine
  • Head Valve length 69mm,Not 64mm
  • Cylinder Bore Diameter : 61mm
  • For your quick use of new accessories, please consult the picture information and product description before purchasing
Bestseller No. 14
Haynes 2567 Yamaha Kodiak ATV Manual
  • Step-by-step procedures Linked to over 700 easy-to-follow photos and illustrations
  • Complete troubleshooting section helps identify specific problems
  • Written from hand-on experience based on a vehicle teardown and rebuild using commonly available tools
  • Tips give valuable short cuts to make the job easier and eliminate the need for special tools
  • Hundreds of photos and illustrations to Guy you through every job
Bestseller No. 15
CLEO GY6 180cc Cylinder Head Kit Assy 61mm Big Bore with 69mm Valves for 152QMI 157QMJ Scooter Moped...
  • Fit GY6 150cc 180cc 61mm 4 Strokes 152QMI 157QMJ Engine Scooter Moped
  • Cylinder Head:Intake Valve OD 26mm;Exhaust Valve OD 23mm;Combustion Chamber Diameter-61mm
  • Cylinder Body:Bore 61mm;Piston Diameter 61mm; Piston Pin Diameter 15mm ;
Bestseller No. 16
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. 17
NAVARME 139QMB 100cc Scooter Engine Big Bore Kit GY6 50mm Cylinder GY6 4 Stroke Motor
  • Please note this kit is only used for GY6 139QMB 4-Stroke Engine.
  • Package Include:1 x 50mm Cylinder 1 x 13mm Piston 1 x Pin 2 x Circlips 2 x Gaskets 5 x Rings
  • Fitments: GY6 100cc Chinese Scooter Engine Conversion
  • Replacement for original part.Please check part comparibility to see if it fits your model.
  • Arrival within 6-15 business days
Bestseller No. 18
YFM350 Carburetor w/Intake Manifold for Yamaha Big Bear Warrior Wolverine Moto-4 YFM 350 Yfm350 ATV...
  • BRAND NEW INTAKE MANIFOLD
  • Carburetor w/ Intake Manifold Fit for Yamaha Warrior 350 YFM350 BW350 1987-2004
  • Carburetor w/ Intake Manifold fits Yamaha Big Bear 350 (1987-1998)
  • Motorcycle ATV Parts; Part type: Carburetor w/ Intake Manifold Intake & Fuel System
  • 100% MONEY-BACK GUARANTEE - When you order FanzKo, you're protected by a 30 day, no question asked money back guarantee. If you are not completely...
Bestseller No. 19
GOOFIT Performance Big Bore Cylinder Kit GY6 80cc 47mm for 139QMB ATV Scooter Moped Go Kart
  • Inner Diameter of Cylinder: 47mm,Outer Diameter of Piston Pin: 13mm
  • Include Cylinder,Piston,Piston Ring,Piston Pin,Piston Pin Clip,Valve Oil Seal,Gaskets,Tensioner Gasket,Exhaust Gasket,Intake&Exhaust Studs,Exhaust Nut
  • One week money back guarantee if not satisfied
  • Easy installation with video instruction,you can visit the video on our Facebook homepage and Youtube.
  • High Performance Upgrade 47mm Cylinder Rebuild Kit for GY6 49cc 50cc 60cc 80cc engine
Bestseller No. 20
Complete GY6 Cylinder Head Rebuild Kits with valves, Trkimal 57.4mm 150cc Big Bore Upgrade Kits for...
  • 【Cylinder Bore】: 57.4mm / Non-EGR Cylinder body
  • 【Full sets of parts】: Complete parts is suitable for motorcycle maintenance shop, motorcycle parts supermarket and personal use with nice price.
  • 【Apply to】: GY6 4 stroke 125cc/150cc engine for most of chinese scooter, atv and go karts
  • 【Parts included】:GY6 150cc Cylinder Head Comp, 57.4mm Bore Cylinder Block, Set of 57.4mm Piston Assy, Piston, Rings and Wrist Pin, Full Set of...

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Do you get stressed out thinking about shopping for a great Grizzly 450 Big Bore Kit? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching Grizzly 450 Big Bore Kit, which is why we have assembled a comprehensive list of the greatest Grizzly 450 Big Bore Kit available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Grizzly 450 Big Bore Kit that you consider buying. Your questions might include the following:

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  • Where can you find information like this about Grizzly 450 Big Bore Kit?

We’re convinced that you likely have far more questions than just these regarding Grizzly 450 Big Bore Kit, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Grizzly 450 Big Bore Kit, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Grizzly 450 Big Bore Kit. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an Grizzly 450 Big Bore Kit buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Grizzly 450 Big Bore Kit currently available on the market.

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  1. Brand Value: Every brand of Grizzly 450 Big Bore Kit has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an Grizzly 450 Big Bore Kit?
  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 Grizzly 450 Big Bore Kit.
  5. Customer Ratings: Number ratings grade Grizzly 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 Grizzly 450 Big Bore Kit.
  7. Product Quality: You don’t always get what you pay for with an Grizzly 450 Big Bore Kit, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an Grizzly 450 Big Bore Kit is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining Grizzly 450 Big Bore Kit information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding Grizzly 450 Big Bore Kit is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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