Size:69mm Valve Length

Fitment: 
Jonway 49cc 50cc 4 stroke scooters like warrior 50
50cc 4 stroke like Agility 50,People S50 4T,Suer 8 50 4T Pagsta mini 49cc
Baja 49cc 50cc 4stroke scooters like motorsports SC-50 sun city,primo,DR50,Dirt Runner 49
Baotian BT49QT-2,BT49QT-7,BT49QT-9,BT50QT-9,BT50QT-11 Dotera 50QT-11
Eton 49cc 50cc 4stroke like Sport 50
Fly 49cc 50cc 4-stroke scooters
Jalon JL50QT-15,JL50QT-16,JL50QT-18,JL50QT-21,JL50QT-21 Falcon.
Jinlun 49cc 50cc 4-stroke scooters
Roketa 49cc 50cc 4 stroke scooter such Baotian 50QT-9
Sinski XSJ50QT-6, XSJ50QT-B
SSR Lazer 5 Moped
Sunl SL50QT-16, SL50QT-18,SL50QT-2,SL50QT-3
Tank 49cc 50cc 4-stroke scooters
Taotao 49cc 50cc 4 stroke scooter such as GT5,Fastwind,AMT50-A1,CY50-A,CY50-B,CY50-T3,Funny50,Roman 50,Retro 50,Speedy50,Venus50
Verucci VC50TS-3M
VIP future champion 4 stroke
Zhong Hu 50cc,Zongshen Metro 50cc
Zongshen ZS50QT-4
Many more GY6 4-stroke 49cc 50cc 60cc 80cc from china. engine

 Specifications:
Bore: 47mm
Displacement:80cc
Valve Length: 69mm

Pacakage Included:
1 x GY6 80cc Cylinder Head with 69mm valve
1 x 47mm Bore Cylinder Block
1 x Set of 47mm Piston Assy, Piston, Rings and Wrist Pin
1 x Full Set of Engine Gasket
1 x 6pins CDI
1 x Ignition coil
1 x 4pin AC regulator
1 x relay
1 x A7TC Spark Plug
1 x Set of Intake Manifold and Muffler Bolts, and Exhaust locking hat
1 x Set of 8.5 Gram roller
1 x 69mm Rocker Arms
2 x Valve Seals
1 x Oil Pump Assy with Driving Gear
1 x Camshaft
1 x Camshaft chain 82
1 x 699*18*30
1 x Chain adjuster
1 x Oil screen, spring, cover and oil seal
1 x Starter clutch
1 x intake manifold
1 x Kick Starter Start Shaft Idle Gear Spring