Piston Kit Airsal Sport 81.3cc 50mm For 139QMB, GY6 50cc, Kymco 50 4-stroke

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Scooter brand	Scooter model
AGM	GMX 450 QM50QT tot '6A
AGM	GMX 500 QM50QT tot '6A(A)
ATU Explorer	City Star (YY50QT)
	Formula 2000 (YY50QT tot '6A)
	Formula One (YY50QT tot '6)
	Level 100 (ZS50QT)
	Retro Star (YY50QT tot '15)
	Wild Eagle (ZS50QT)
Baja	BE500 50 4T
	Suncity SC50 4T VIN LAW / LXKS
	Suncity SC50 4T VIN LWGT
Baotian	BT49QT tot '11 Retro
	BT49QT tot '12A1 Rebel
	BT49QT tot '12C1
	BT49QT tot '12D Hero
	BT49QT tot '12E Rocky
	BT49QT tot '12F Tanco
	BT49QT tot '12G
	BT49QT tot '12P1 Tiger
	BT49QT tot '20A2
	BT49QT tot '2A Big Panther
	BT49QT tot '2C Falcon
	BT49QT tot '3
	BT49QT tot '6A1
	BT49QT tot '6A4
	BT49QT tot '6B1
	BT49QT tot '6B4
	BT49QT tot '7 Smart Rider
	BT49QT tot '9 Sprint
	BT49QT tot '9F1 Eagle
	BT49QT tot '9F3 Eagle
	BT49QT tot '9R1
	BT49QT tot '9R3
	BT49QT tot '9S1
	BT49QT tot '9S3
	BT50QT tot '11 Retro
	BT50QT tot '9 Ecobike
Beeline	Veloce 50 4T
	Veloce 50 4T Dynamic
	Veloce 50 4T GT
	Veloce 50 4T Racing
Benero	City Cruiser 50 4T
	New Retro 50 4T
	QT tot '12P 50 4T
	QT tot '9 F3 50 4T
	Retro 50 4T
	Retro Style 50 4T
	Speedy 50 4T
	Sunny 50 4T
	Warrior 50 4T
Benzhou	City Star (YY50QT)
	Formula 2000 (YY50QT tot '6A)
	Formula One (YY50QT tot '6)
	Retro Star (YY50QT tot '15)
	YY50QT tot '14
	YY50QT tot '26
Buffalo	Wind 50
Dazon	Diamondback 50 4T
Eppella	GMX 50 van '4 tot hedenTakt
Ering	Smart Rider 50
Explorer	City Star (YY50QT)
	Formula 2000 (YY50QT tot '6A)
	Formula One (YY50QT tot '6)
	Level 100 (ZS50QT)
	Retro Star (YY50QT tot '15)
	Wild Eagle (ZS50QT)
Flex Tech	Cavallino 50 4T
	Cityleader 50 4T
	Cityliner 50 4T
	Dolphin 50 4T
	Firenze 50 4T
	Fun 50 4T
	Hurrican X1 4T (JL50QT tot '4)
	Hurrican X2 (YY50QT tot '26)
	Luna 50 4T
	Napoli 50 4T
	Piacenza 50 4T
	Retro Firenze 50 4T
	Riva 50 4T
	Speedy 50 4T
	Speedy RC 50 4T
	Sprint tot '10 50 (SK50QT-A)
	Sprint tot '12 50 (SK50QT-B)
	Thunder 50 4T
	Topdrive 50 (YY50QT tot '14)
	Topspeed 50 4T
	TVZ 50 4T
	Venus 50
	Venus II 50 4T
	X1 50 4T
	X2 50 4T
Fly Scooters	IL Bello 50 4T
Generic	Cracker 50 4S 4T
	Onyx 50 4T
	Pandora 50 4T
	Race 2 GT 50 4T
	Sirion 50 4T
	Vertigo 50 4T
Gorilla Motor Works	Black Jack 50 4T
GT Union	Strada 50 4T
Huatian	HT50QT tot '10
	HT50QT tot '16
	HT50QT tot '22
	HT50QT tot '25
	HT50QT tot '26
	HT50QT tot '36
	HT50QT tot '6
	HT50QT tot '7
	HT50QT tot '9
Hyosung	NewTee Up 50 HN50QT tot '7
IVA	Firenzo 50 4T
	Ibiza 50 4T
	Jet New 50 4T
	Lux 50 4T
	Retro Roma 50 4T
	Retro Venice 50 4T
	Roma 50 4T
	Venti 50 4T
Jackfox	City Star (YY50QT)
	Formula 2000 (YY50QT tot '6A)
	Formula One (YY50QT tot '6)
	Retro Star (YY50QT tot '15)
	YY50QT tot '26
Jinlun	Fighter 50 (JL50QT tot '5)
Jinlun	JL50QT tot '4
Jmstar	Accipiter 50 4T JSD50QT tot '21C
	Breeze 50 4T JSD50QT tot '13
	Eagle 50 4T JSD50QT tot '21
	Falcon 50 4T JSD50QT tot '21A
	Sunfire Racing 50 4T JSD50QT tot '27
	Sunny 50 4T JSD50QT tot '27
	Z-Bike 50 4T JSD50QT tot '15
	Zeus 50 4T JSD50QT tot '5
Jonway	Beta 50 4T
	Lambda YY50QT tot '21 50 4T
	YY50QT tot '6 4T
Karcher	KM 50 van '4 tot hedenTakt
Kreidler	Flory 50 van '4 tot hedenTakt Motorroller modern
Kreidler	RMC E50 van '4 tot hedenTakt
Kymco	Agility 50 4T KG10SA
	Agility 50 Basic 4T KD10SH
	Agility 50 Carry 4T KG10DA
	Agility 50 City 4T KL10BA
	Agility 50 MMC 4T KG10CA / KG10CB
	Agility 50 One 4T KG10SD
	Agility 50 RS 4T KG10SR / KG10SU
	DJ 50 S KG10BA / KG10BB
	Filly 50 4T SD10AC
	KYMCOSento 50 SD10RA
	Like 50 4T KG10AA
	People S 50 BB10AA
	People S 50 Elegance BB10AJ
	Super 8 50 4T / Big Tire KL10SA / KL10SE
	Vitality 50 4T SG10AA
	Yager GT 50 SM10AA
Longbo	LB50QT tot '22 50 4T
Longbo	LB50QT tot '6 50 4T
Longjia	LJ50QT-E 4T
Massimo	SL50QT tot '2 50 4T
Mawi	City Spider 50 4T
	Speed Racer 50 4T
	Street Race 50 4T
	Super Power 50 4T
MKS	BT50QT tot '9 Ecobike
MKS	YY50QT tot '26
Moto Zeta	Rally 50
Motofino	MF50QT 50 4T
	MF50QT tot '2 50 4T
	MF50QT tot '7 50 4T
Motorro	Clea 50 (4T)
	Cobi 50 (4T)
	Desire 50 (BT49QT tot '12)
	Hawk 50 (4T)
Motortek (ATU)	Raccoon
Motowell	Magnet 4T
Motowell	Yoyo
Motoworx	Scholli 50 4T
Motoworx	Titano 50 4T
Nova Motors	City Star 50 4T
	Eco Fox 50 4T
	F3000 50 4T
	Grace 50 4T
	GT 4 50 4T
	Milano 50 4T
	Retro Cruiser 50 4T
	Retro Star 50 4T
	Venezia II 50 4T
Peugeot	V-Clic 50 4T LAEAGZ40
Peugeot	V-Clic 50 4T Silver Sport LAEAGZ40
Pulse	BT49QT tot '9 Scout
Pulse	SB50QT tot '16 Rhythm
Puma	Juliet 50 4T
	La Vida 50 4T
	Romeo 50 4T
Qingqi (Jinan Qingqi)	V-Clic
REX (Jinan Qingqi, Shenke)	Capriolo 50 [QM50QT tot '6A]
	RS 400
	RS 450 [QM50QT tot '6A]
	RS 460
	RS 500 [QM50QT tot '6A(A)]
	RS 900 [QM50T tot '10A(A)]
Rieju	Paseo 50 4T AC
Rieju	Toreo 50 4T AC
Roketa	Bahama MC tot '07 50 4T
Roketa	Maui MC tot '08 50 4T
RS Ultima	Techno Classic Edition 50 4T
Sachs	49er (FY50QT tot '5)
Sachs	Bee 50 (FY50QT tot '13)
Schwinn	Hope 50 4T
	Laguna 50 4T
	Newport 50 4T
Sukida	Dolphin 50
	Roma 50 (SK50QT tot '9)
	Sprint tot '10 50 (SK50QT-A)
	Sprint tot '12 50 (SK50QT-B)
	Venus 50
SunL	SL50QT tot '2 50 4T
SunL	SL50QT tot '7 50 4T
SYM (Sanyang)	Fiddle II 50 4T AC van '07 tot '08 E2 (alter Motor) [AW05W]
	Orbit I 50 4T AC van '06 tot '09 E2 [AV05W tot '6]
	Symply 50 4T AC van '10 tot '17 E2 [AV05W]
Tank	Sporty 50 4T
Tank	Urban 50 4T
Tec Runner	Arvini 50 4T
Tec Runner	Pointer 50 4T
TNG	Low Boy 50 4T
Xinling	XL50QT-B
Xintian (Kinroad)	XT50QT
Zhongyu	ZY50QT tot '7
Znen (Zhongneng)	A9 50 BN139QMB
	B08 50 ZN50QT tot '15A
	Elegance 50 ZN50QT-D
	F22 50 ZN50QT tot '3
	F35 50 ZN50QT tot '32A
	F9 I 50 ZN50QT tot '36
	Falcon 3 50 ZN50QT tot '8B
	Goldfish 50 ZN50QT tot '11A
	Grace 50 ZN50QT tot '51
	Grand Retro 50 ZN50QT-E
	Grand Retro 50 ZN50QT-H
	Honey 50 ZN50QT tot '51
	Pizza 50 ZN50QT tot '12
	R8 50 ZN50QT tot '22
	Revival 50 ZN50QT-D
	Snail 50 ZN50QT-A
	Sun 3 ZN50QT tot '11B
	Sun 50 ZN50QT tot '11
	Sun IV 50 ZN50QT tot '11G
	Ves 50 ZN50QT tot '27
	Vpa 50 ZN50QT tot '30A
	X6 50 ZN50QT tot '41
	Znen Q 50 ZN50QT tot '11D
Zongshen	ZS50QT tot '4 (Cab 50)