This Exhaust Stud is used on most 49-300cc Scooters, ATVs, Go Karts with the GY6 engine. It is also used on the Honda type engine 49-125cc engine.It Fits many of the following: 
 E-Ton (Eton) Part# 813717 
 Baja Part# BA90-282 
 Tomos Nitro 150 # 90032-GYB2-A000 
 Tomos Nitro 50 # 90032-M9Q-3000
 Common applications include: 
 Alta 50cc Alta-49 (Jonway) (Vin: TCB) 
 Alta 50cc Alta-49 (Jonway) (Vin: TCB) 
 Alta Motors MACH9 (Linhai) (Vin: ATE) 
 American Sportworks 6150 Blue Lightning 
 American Sportworks 6152 Zircon 
 American Sportworks 7150 Quantam 
 American Sportworks 7151 Carbide 
 American Sportworks Carbide 150cc 
 Apollo 110cc Supra 
 Apollo 125cc Fusion 
 Apollo 50cc 
 Apollo 70cc Kiddy 
 Baja AT150SS 
 Baja BA150 
 Baja CANYON CN90-U 
 Baja DIRT RUNNER DR125 
 Baja DIRT RUNNER DR49 
 Baja DIRT RUNNER DR50 
 Baja DIRT RUNNER DR70 
 Baja DIRT RUNNER DR90 
 Baja Dune DN150 
 Baja Reaction BR150-1 BR150S 
 Baja STORM STR125 
 Baja WARRIOR 90 
 Baja WARRIOR WR49 
 Baja WD90 
 Baja WILDERNESS 250 WD250U 
 Baja WILDERNESS 250 WD250U-R 
 Baja WILDERNESS 90R WD90-UR 
 Baja WILDERNESS TRAIL 90 WD90-U 
 Coleman Powersports 125cc 
 Coleman Powersports 70cc 
 Coolster 110cc 3050A 
 Coolster 110cc 3050AX 
 Coolster 110cc 3050B 
 Coolster 110cc 3050C 
 Coolster 110cc 3050D 
 Coolster 110cc QG-213 & QG-213A 
 Coolster 125cc 3125A 
 Coolster 125cc 3125B 
 Coolster 125cc 3125C/C-2/CX 
 Coolster 125cc 3125D/D-2 
 Coolster 125cc 3125R 
 Coolster 125cc 3125XR8 & XR8-U 
 Coolster 125cc 3125XR8-S 
 Coolster 125cc QG-214 
 Coolster 125cc QG214FC & FC-3 
 Coolster 125cc QG-214S 
 Coolster 125cc QG-214X-M125 
 Coolster 125cc QG-214X-W125 
 Coolster 125cc QG-214X-X125 
 Coolster 125cc XR-125 
 Coolster 150cc 3150CXC 
 Coolster 150cc 3150DX 
 Coolster 150cc 3150DX-2 
 Coolster 70cc QG-210 
 Coolster 70cc QG-210X-70 
 Coolster GK-6110A 110cc  
 Coolster GK-6125 125cc  
 Coolster GK-6150 150cc  
 E-Ton 150cc Beamer R4 (PN2F) (Vin: FBF) 
 E-Ton 150cc Matrix (PN2I) (Vin: FVD) 
 E-Ton 150cc Sport (ESPORT150) (Vin: TCK) 
 E-Ton 150cc Yukon II 150, CXL-150, EXL-150 (Vin: FJB) 
 E-Ton 40cc Viper Jr. 40E, RXL-40E, (Vin: 4HC) 
 E-Ton 50cc Sport (ESport) (Vin: TCA) 
 E-Ton Rover 90, UK1-90R (Vin: 9UA) 
 E-Ton Rover GT UK2 (Vin: 9UB) 
 E-Ton Viper 150, RXL-150R09, 2009+ (Vin: FJD) 
 E-Ton Viper 150R, RXL-150R (Vin: FJD) 
 E-Ton Viper 70, RX4-70, 2007+ (Vin: 7KA) 
 E-Ton Viper 70, RXL-70, Silver Series 2007+ (Vin: 7KC) 
 E-Ton Viper 70M, RX4-70M, 2007+ (Vin: 7KB) 
 E-Ton Viper 90, RXL-9009 Silver Series 2009+ (Vin: 9KC) 
 E-Ton Viper 90, RXL-90R09, Silver Series 2009+ (Vin: 9KD) 
 E-Ton Viper 90R, RX4-90R, 2007+ (Vin: 9KA) 
 E-Ton Yukon 150, YXL-150, EXL-150 (Vin: FJA) 
 Ice Bear MADDOG PMZ50-19 50 
 Ice Bear MOJO PST150-9 150 
 Ice Bear MOJO PST50-8 50 
 Kazuma Falcon 90 ATV 
 Peace Sports 110cc TPATV501 
 Peace Sports 110cc TPATV512 
 Peace Sports 125cc TPGS-108 
 Peace Sports 125cc TPGS-134 
 Peace Sports 125cc XT125Y (TPGS-106) 
 Peace Sports 50 Fit 50 
 Peace Sports 50 Renegade 50 
 Peace Sports 50 Smarty 50 
 Peace Sports 50 TPGS-805 
 Peace Sports 70cc XB21B (TPGS-109) 
 Puch  
 Roketa Bahama 150 MC-07 
 Roketa GK-01 (150cc) 
 Roketa GK-11 (90cc) 
 Roketa GK-17 (110cc) 
 Roketa GK-17K (110cc) 
 Roketa GK-28 (150cc) 
 Roketa GK-37 (90cc) 
 TaoTao 150GK 
 TaoTao 4 Fun 
 TaoTao Arrow 150 
 TaoTao ATA-110B1 
 TaoTao ATA-110cc Boulder 
 TaoTao ATA-125A 
 TaoTao ATA-125D 
 TaoTao ATA-150 BULL 
 TaoTao ATA-150D 
 TaoTao ATA-150G 
 TaoTao ATD-125A, ATD-125C, ATD-125E 
 TaoTao ATD-90A 
 TaoTao ATK125-A 
 TaoTao ATK150-A 
 TaoTao ATK150-C 
 TaoTao ATM50A1 50 
 TaoTao DB10-110cc 
 TaoTao DB14-110cc 
 TaoTao DB17-125cc 
 TaoTao GK110 
 TaoTao GTK4150 
 TaoTao NEW SPEED 50 
 TaoTao Powermax 150, CY1SPORT 50y 
 TaoTao Racer 50 
 TaoTao Rhino 250cc 
 TaoTao Speed 50 
 TaoTao Targa 150 
 TaoTao THUNDER 50 
 TaoTao VIP Future Champion CY50-A 
 Tomos A3, A35 
 Tomos A3, A35 
 Tomos A3, A35, A55 
 Tomos A3, A35, A55 
 Tomos A55 
 Tomos A55 
 Tomos NITRO 150 
 Tomos NITRO 50 
 TrailMaster Blazer 150cc 
 TrailMaster Blazer 150X 
 TrailMaster Blazer4 150cc 
 TrailMaster Blazer4 150X 
 TrailMaster Challenger 150 UTV GY6-150 w/reverse UTV 
 TrailMaster Challenger 150X Deluxe UTV GY6-150 w/reverse UTV 
 TrailMaster XRS GTS (150cc) 
 TrailMaster XRX GTS (150cc) 
 Yamaha Raptor 90 2009-2013