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Top 10 Cn250 Big Bore Kit of 2020 – Consumer Guide & Reviews

Rank No. #1
hongyu 61mm Big Bore Cylinder Head Kit for GY6 150cc to 180cc Engine with 69mm Valves scooter taotao kazuma ATV Moped
  • 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
Rank No. #2
BBR Motorsports 150cc Big Bore Kit with Cam 411-YTR-1201
  • Bores into stock cylinder
  • Kit Includes: Aluminum BBR cylinder, piston, rings, piston pin, clips, performance camshaft and gasket kit
Rank No. #3
Athena (P400210100023) 69mm 164cc Big Bore Cylinder Kit
  • Package Dimensions :33.528 Cm L X21.336 Cm W X15.494 Cm H
  • Product Type :Powersports Vehicle Part
  • Athena'S Big Bore Kit Brings The Raw Power You Have Been Missing In An Easy To Install, Reliable Package That Bolts On With No Machining Needed In Most Cases
  • Built From Race Proven Designs To Honda Factory Specifications
  • Chosen By The Top Race Teams In All Forms Of Racing Including Super Cross, Motocross, Gncc, Superbike, And More
Rank No. #4
TOP NOTCH PARTS 434cc BIG BORE CYLINDER PISTON GASKET TOP END KIT FITS 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 SUZUKI LTZ 400 LTZ400
  • Replaces OEM Part # 12140-29F00, 12111-29F00-0F0, 11210-29F20-0F0
  • SUZUKI LTZ 400 434cc BIG BORE CYLINDER PISTON GASKET TOP END KIT 2003-2013
  • THIS BRAND NEW AFTERMARKET KIT HAS BEEN INSPECTED FOR THE HIGHEST QUALITY & THE HIGHEST GRADE MATERIALS HAVE BEEN USED IN THE MANUFACTURE OF THIS KIT.
  • PURCHASE INCLUDES: CYLINDER BLOCK. PISTON. RINGS. PISTON PIN. CIRCLIPS. WASHERS. O-RING. HEAD GASKET. BASE GASKET.SPARK PLUG.GASKET MAKER.THREAD LOCK.GASKET MAKER.THREAD LOCK AIR FILTER. OIL FILTER..
Rank No. #5
TOP NOTCH PARTS 440cc BIG BORE CYLINDER PISTON RINGS TOP END KIT FITS HONDA TRX400EX TRX 400EX 99 00 01 02 03 04 05 06 07 08
  • 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 EBAY! EQUAL TO OR BETTER THAN OEM
  • 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. 1X CHAIN TENSIONER GASKET. 1X GASKET MAKER. 1X THREAD LOCK. 1X FUEL FILTER. 1X OIL FILTER. 1X FREE NGK SPARK PLUG
  • PARTS FIT: 1999 - 2008 HONDA TRX 400EX.
Rank No. #6
85cc 50mm Big Bore Cylinder Kit For Honda CT70H TRX70 XR70R CRF70 CT70 TRX 70
  • Super wear-resistant precision Big Bore Cylinder kit.②Your vehicle will get more power with this item,easier to climb hill than ever before
  • ①Dimensions: Bore Size: 47mm Wrist pin: 13mm. ②Thickened heat sink effectively prevents sticky cylinders caused by high temperature.
  • ew Aftermarket Parts Big Bore Cylinder Kit (47mm) Upgrate 70cc To 85cc Includes: Cylinder, Piston, Rings, Pin and 2 circlips REPLACES OEM # 12101-GB0-910, 12101-087-000, 12101-087-010, 12101-HB2-000, 12101-098-670, 12101-098-671 FITS: ATC70 1973 - 1985 C70 Passport 1971 - 1972, 1980 - 1983 CRF70,CRF70F 2004 - 2008 CT70, CT70H, Trail 70 Mini Bike, 1969 - 1994 TRX70 1986 - 1987 XR70 XR70R 1997 - 2003
Rank No. #8
Athena (P400250100005) 57mm 130cc Big Bore Cylinder Kit
  • Athena's Big Bore kit brings the raw power you have been missing in an easy to install, reliable package that bolts on with no machining needed in most cases, and includes easy-to-follow step-by-step installation instructions
  • Constructed from aluminum, the cylinder is lined with a nickel-carbide coating for durable, reliable performance, and the water jackets have been widened for a higher flow rate, cooling the cylinder, resulting in less power lost due to heat
  • Features a forged piston that's been molybdenum coated for high performance use and extended wear life
  • Maximizes power and service life in Kawasaki Dirt Bikes and offroad vehicles
  • Fits the following rides Fits: Kawasaki KLX 110 2003-2009; Suzuki DRZ 110 2003-2005
Rank No. #9
Tuzliufi CDI Box for Scooters 50 90 49CC 50CC 70CC 90CC 110CC 125CC Rxl-50 Rxl-70 Axl-50 Txl-50 Txl-90 Dxl-90 Atv 2-Stroke New Z252
  • One customer wrote a one-star review said it did not be compatible with 90 4 wheel 2 cyl.
  • We never list this model in the description. It is possible that he bought a wrong part.
  • For Predator 90 2003 2004 2005 2006, some models use 5 wires cdi, some models use 7 wires cdi. Compare the number of wires before placing order with your original one. This part has 5 wires. If your original part has 7 wires, do not buy it.
  • We have another part with 7 wires and if you want it, you could search with “ Z191 ” in our store or ASIN: B07LC74QL1
  • 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 even your model is in the described list!
SaleRank No. #10
FLAMEER Clutch Variator Primary Drive Assembly Kit for Honda Helix CN250 CH250 CF250 Engine Moped ATV
  • 100% Brand new complete Variator / Front Clutch Assembly includes:
  • Drive boss
  • Movable drive face
  • Drive face o-ring seal
  • Drive face
Rank No. #11
Acouto Ignition CDI Box Motorcycle CDI Box Ignitor Unit Parts 3HN‑85540‑10‑00 Fit for Yamaha YFM 350 Big Bear Moto‑4 1990‑1994
  • Reference OEM----Replacing OEM numbers of this CDI for reference: 3HN‑85540‑10‑00. This CDI box module is designed to fit for Yamaha YFM 350 Big Bear Moto‑4 1990‑1994. Please double check the part number of your item
  • Faster Throttle Response----The PeakRPM technology provides a more aggressive timing curve for increased throttle response. Ride at full throttle with our application‑specific CDI box that raises the rev limiter by 1000 RPM
  • Easy to Install----The ignition CDI box is easy to install. Enjoy fast & easy installation with our plug & play design and included dielectric connector grease. Directly replace the old or broke CDI Box
  • Professional Manufacturing----Motorcycle CDI Box is engineered to meet or exceed OEM specifications, all items are tested for reliability, durability and high performance
  • TIP----High Performance CDI Box is for a way better idle and all; the normal reasons to change the carb. Now it accelerates faster and is comfortable
Rank No. #12
Cylinder Works 41001-K01 Big Bore Cylinder Kit
  • Spec: Description: Big Bore Cylinder Kit, Compression Ratio: 11.3:1, Cylinder Diameter: 94mm, Cylinder Kit Type: Big Bore, Displacement: 434cc, Kit Includes: Cylinder, Piston Kit, and Top-End Gasket Kit, Notes: Uses Vertex #23533
  • Replaces OEM Numbers: Western Powersports: 422-41001K, Lemans: 0931-0135, Tucker Rocky: 733708, Southern: HR41001K01, Advantage Performance: 77002-11, Automatic Distributor's: 880038
  • Fits: Arctic Cat 400 DVX 2004-2008, Kawasaki KFX 400 2003-2006, KLX 400 R 2003-2004, Suzuki DR-Z 400 2000-2004, DR-Z 400 E 2000-2007, DR-Z 400 S 2000-2019, DR-Z 400 SM 2005-2018, LT-Z 400 2003-2013
  • 1-year warranty protects you after your purchase. We're confident that our products will work flawlessly once installed in your vehicle. But in a rare case that it does not, we'll replace it anytime within one year of your order. If you have a problem, we will take every step to assist you, contact us for a replacement.
  • 100% New aftermarket Big Bore Cylinder Kit built to meet OEM specifications for Arctic Cat, Kawasaki, Suzuki
Rank No. #13
NICHE 94mm 434cc Big Bore Cylinder Piston Kit for 2000-2015 Arctic Cat Kawasaki Suzuki KFX400 KLX400R
  • Replaces OEM Part Numbers: Suzuki 11210-29F20-0F0, 11241-29F00, 12111-29F00-0F0, 12140-29F00, 12151-24F10, 09381-20004, 11141-29F01, 09160-10082, 11191-13E00; Kawasaki 11005-S007, 11061-S070
  • Compatible with the 2003-2006 Kawasaki KFX400, 2003-2004 Kawasaki KLX400R/SR, 2003-2014 Suzuki Quadsport LTZ400, 2004-2008 Arctic Cat 400 DVX
  • Includes 94mm Big Bore Cylinder (434cc), Piston, Piston Rings, Wristpin and Circlips
  • Also Includes Head Gasket, Base Gasket, Exhaust Gasket and Coolant Gasket
  • Nikasil Plated Cylinder Bore and Stroke 94.00mm x 62.60mm
SaleRank No. #14
Top Notch Parts Replacement Big Bore Cylinder Complete Head Polished Ports Performance Camshaft For 99 00 01 02 03 04 05 06 07 08 Honda Trx400ex TRX 400ex 440cc
  • Replaces OEM Part # 12100-KCY-670 12191-KCY-672 12200-KCY-670 12251-MBV-013 12310-KCY-672 12391-KCY-671 13011-KCY-670 13101-KCY-670 13111-KCY-670 90601-KA5-000 14000-KCY-670 15410-KF0-315
  • TOP NOTCH PARTS REPLACEMENT 440cc BIG BORE CYLINDER, COMPLETE HEAD AND PERFORMANCE CAMSHAFT HONDA TRX 400EX
  • COMPLETE HEAD AND PERFORMANCE CAMSHAFT HONDA TRX 400EX
  • THIS CAMSHAFT OFFERS 15% INCREASE IN POWER WORKS WELL WITH STANDARD AND BIG BORE KITS UP TO 440cc
  • 1X PISTON. 1X PISTON PIN. 2X CIRCLIPS. 1X COMPLETE SET OF RINGS. 1X HEAD GASKET. 1X BASE GASKET. 1X HEAD COVER GASKET. 1X CHAIN TENSIONER GASKET. 1X COMPLETE CYLINDER HEAD (POLISHED INTAKE AND EXHAUST PORT) 1X PERFORMANCE CAMSHAFT 1X GASKET MAKER. 1X THREAD LOCK. 1X FUEL FILTER. 1X AIR FILTER 1X OIL FILTER. 1X FREE NGK SPARK PLUG
Rank No. #15
Alibrelo 50cc Scooter Drive Belt for GY6 49cc 50cc 139QMB Moped ATV Go Kart Replace 729 17.7 30 Belt
  • Replacement for 4-stroke 49CC 50CC GY6 Moped Scooter Motorcycle ATV GO KART
  • Length: 729mm Width: 17.7mm Teeth Angel: 30 degree
  • Package include: 3 drive belt
Rank No. #16
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
Rank No. #18
250cc Engine Motor Carburetor For Honda Helix CN250 CF250 CH250 China Scooter Moped Atv
  • 100% Brand new and high quaility
  • Fits Honda CN250, CF250 CH250 Scooter, Mopeds
  • Fits Chinese 250cc Scooter, Moped, Go Karts
  • Compatible with: CH125 CH150 CH250 ELITE SCOOTER 250CC QUAD ATV SCOOTER 250 CA11
  • Professional auto parts seller! Please feel free to contact us if you are not sure which part to order!
SaleRank No. #19
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 and gasket kit

Last update on 2021-07-11 / Affiliate links / Images from Amazon Product Advertising API

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