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Valve materials:Exhaust valve use 53Cr21Mn9N94N high-strength steel,Intake valve use 40Cr10Si2Mo alloy steel.
This Cylinder Rebuild Kit is fitment for GY6 49CC, 50CC, 139QMB engines in motorcycles, scooters, ATVs, and karts. It upgrades 50CC/60CC/80CC engines to 100CC, significantly enhancing RPM, power, and top speed. No EGR system required.
Core Components Includes:50mm cylinder body kit,69mm valve cylinder head assembly,Camshaft and camshaft seat kit,Full gasket set,Oil pump and gears,Spring set, pure copper roller assembly,6-pin racing AC CDI, ignition coil, and 3-electrode spark plug etc.
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Quality GY6 ignition coil: Replacement of a new ignition coil can improve combustion efficiency and enhance electrical performance
Quality 6-pin AC CDI box: This 6-pin AC CDI box is made of stable quality material shell, not easy to damage, long service life
Compatibility of GY6 ignition coil kit: GY6 150cc ignition coil kit fits for GY6 50cc 125cc 150cc 4-stroke Engines Scooter ATVs Go Karts Mopeds Quad Pit Dirt Bikes, The GY6 ignition coil kit also fits for most of Chinese Made Scooters and ATV Such as Kymco JONWAY JMSTAR ROKETA SUNL TANK PEACE TAOTAO Dongfang Kazuma JCL BMS.
【Fitment】This GY6 complete electrics wiring harness wire assembly fits of almost all 49cc 50cc 70cc 80cc 90cc 100cc 110cc 125cc engines. The Electrics Stator Coil kit compatible with ATV, Coolster, Quad Bike, Dirt Bike, Pit Bike, Go Kart, Kawasaki KLX, 4 Wheelers, Scooter, Buggy, Motowork, Dune, Taotao ect.
【Easy To Install】Professional installation is highly recommended and false assembly may cause gy6 50cc moped wiring harness fire on the harness. Please check the wiring diagram pictures on website first before installation, please consult or hire a mechanic to install this wiring harness if you are not sure.
SPECIFICATION:Diameter of Stator Back Plate: Approx. 120mm/4.72in; Diameter of Centre Hole (Outside Diameter of Oil Seal): Approx.37mm/1.46in; Diameter of Flywheel Rotor: Approx. 109mm/4.29in; Distance Between Mounting Holes (centre to Centre): Approx. 95mm/3.74in; Comes with 2 coil and 6 wires:red,yellow,white,blue/white,red/green,white/green,including 1 removable free wire.Aftermarket magneto stator built to meet OEM specifications.Easy to install,easy to use.
HIGH QUALITY REAL COPPER WIRE:Real copper wire winding for increasing power, reducing heat generation, and brighter light output.The copper contacts on the connectors fit tightly and won't easily loosen.Anti-rust,anti-corrosion.Durable and long lasting.
FITMENT:The 2 pole magneto stator with flywheel rotor kit is direct replacement for 90cc 110cc 125cc 140cc Kick Start Engine PIT PRO PIT Bike Trail Dirt Bike Quad ATV Go Kart.High Performance Magneto Stator Replacement.