180cc 61mm GY6 Cylinder kit Big Bore High Performance 125cc 150cc Scooter ATV Go Karts Moped
The detail specification of it as following:
1) Cylinder
Middle Height:69mm
Total Height:90mm,
Inner Diameter:61mm
Outer Skirt dimater:65mm
2) Piston kit
Total height:38.7mm
Compress height:20.5mm
Pin:15mm
3) Up and down gasket
If keep the original crankshaft , it will change 150CC(57.4MM * 57.8MM) to 169ML(61MM * 57.8MM),but it usually named as 170CC or 180CC kit
Performance 61mm Cylinder Piston Ring kit (Big bore Kit) 170CC 180CC 169ML Jonway Sunny Yiying Keeway Scooter Parts These parts fit for Scooter For Scooter,fit for Jonway,Baotian,Jmstar,Sym,Sunny,Znen,Wangye,Qingqi,Qianjiang Keeway yiying scooter parts For Displacement,include Jog 50,90,100, GY6 50,60,70,80,100,125,150,CN/CF 250,YP VOG 250 260 300 |