Scooter Parts Catalog Pistons and Piston Rings sets for your 50cc, 110cc, 125cc, 150cc, and 250cc scooter engine. Included in the cylinder parts group are scooter pistons, intake valves, exhaust valves, rocker arms, chain tensioning parts, valve springs complete cylinders and more.
Rebuild or upgrade your 4 stroke gas scooter engine with new piston & ring kit parts. If you want to upgrade your scooter's performance check out our High Performance Cylinder Kits. We ship a wide range of piston & ring kits for Chinese-built 50cc GY6 QMB139, 125cc GY6 QMI152/157 and 150cc GY6 QMJ152/157 engines.
 
VOG 260 Piston Kit  (122-7)
VOG 260 Piston Kit (122-7)
Regular Price: $55.00
Season Special: $38.99
Koso 61mm Forged Piston Kit - Honda Grom (128-8)
Koso 61mm Forged Piston Kit - Honda Grom (128-8)
Regular Price: $130.00
Season Special: $99.99
125cc piston/ring set, 4-stroke general (141-14)
125cc piston/ring set, 4-stroke general (141-14)
Regular Price: $52.00
Season Special: $36.99
 
49cc 2-stroke Piston Kit (141-24)
49cc 2-stroke Piston Kit (141-24)
Regular Price: $28.99
Season Special: $19.99
47cc 2-stroke 40mm Piston Kit (141-27)
47cc 2-stroke 40mm Piston Kit (141-27)
Regular Price: $28.00
Season Special: $19.99
100cc, 4-stroke Piston Ring Set  (141-28)
100cc, 4-stroke Piston Ring Set (141-28)
Regular Price: $19.00
Season Special: $13.49
 
Qingqi B2 Piston Kit (148-41)
Qingqi B2 Piston Kit (148-41)
Regular Price: $52.00
Season Special: $34.99
47mm QMB139 Piston Kit (151-243)
47mm QMB139 Piston Kit (151-243)
Regular Price: $28.00
Season Special: $19.99
90cc, 2-stroke Piston Kit (161-210)
90cc, 2-stroke Piston Kit (161-210)
Regular Price: $42.99
Season Special: $29.99
 
Hoca GY6 Piston Kit for 4-Valve Head (169-169)
Hoca GY6 Piston Kit for 4-Valve Head (169-169)
Regular Price: $49.00
Season Special: $39.99
Hoca 70cc 2-stroke Piston & Ring Set (169-188)
Hoca 70cc 2-stroke Piston & Ring Set (169-188)
Regular Price: $42.99
Season Special: $29.99
Hoca 53mm Piston Kit (169-195)
Hoca 53mm Piston Kit (169-195)
Regular Price: $42.99
Season Special: $29.99
 
Hoca 54mm Piston Kit (169-196)
Hoca 54mm Piston Kit (169-196)
Regular Price: $35.99
Season Special: $24.99
Hoca 50mm Piston Kit (169-203)
Hoca 50mm Piston Kit (169-203)
Regular Price: $42.99
Season Special: $29.99
Hoca High Compression 4032 Forged GY6 Piston Kit  (169-341)
Hoca High Compression 4032 Forged GY6 Piston Kit (169-341)
Regular Price: $120.00
Season Special: $88.99
 
Hoca QMB139 52mm Piston Kit (169-380)
Hoca QMB139 52mm Piston Kit (169-380)
Regular Price: $50.00
Season Special: $35.99
Hoca Minarelli 47.6mm Piston Kit (169-384)
Hoca Minarelli 47.6mm Piston Kit (169-384)
Regular Price: $49.00
Season Special: $34.99
Hoca 50mm Dio SR Piston Kit  (169-433)
Hoca 50mm Dio SR Piston Kit (169-433)
Regular Price: $42.00
Season Special: $29.99
 
Hoca 47mm Kymco 2-Stroke Big Bore Piston Kit  (169-434)
Hoca 47mm Kymco 2-Stroke Big Bore Piston Kit (169-434)
Regular Price: $42.00
Season Special: $29.99
Hoca 63mm Honda Grom Replacement Piston Kit  (169-436)
Hoca 63mm Honda Grom Replacement Piston Kit (169-436)
Regular Price: $76.00
Season Special: $53.99
Hoca 39mm Kymco 2-Stroke Piston Kit (169-450)
Hoca 39mm Kymco 2-Stroke Piston Kit (169-450)
Regular Price: $35.00
Season Special: $24.99
 
GY6 61mm Piston and Ring Set (169-61)
GY6 61mm Piston and Ring Set (169-61)
Regular Price: $49.00
Season Special: $34.99
CN250 72mm Piston Kit (180-148)
CN250 72mm Piston Kit (180-148)
Regular Price: $56.00
Season Special: $39.99
Morini 41mm Piston Kit  (185-11)
Morini 41mm Piston Kit (185-11)
Regular Price: $28.00
Season Special: $19.99
 
Morini 47mm Piston Kit  (185-12)
Morini 47mm Piston Kit (185-12)
Regular Price: $28.00
Season Special: $19.99
Hoca 47mm Morini Piston Kit (185-14)
Hoca 47mm Morini Piston Kit (185-14)
Regular Price: $42.00
Season Special: $29.99