Piston Pin Ring Set STD / +.25 / +.50 Bore Size Fit for Yamaha DT125 MX 1986-1991 DT 125 E/F/G/H 1978-1981 Generic Bore Size:STD(56mm) Fit for Yamaha MT125 MT-125

Fit for Yamaha MT125 MT-125 2015-2016

Manufacturer Part Number: GM1320354

Plug: US plug

Arctic Cat 0227-103

This upgrade kit save weight & never rust

Piston Pin Ring Set STD / +.25 / +.50 Bore Size Fit for Yamaha DT125 MX 1986-1991 DT 125 E/F/G/H 1978-1981 Generic Bore Size:STD(56mm) Fit for Yamaha MT125 MT-125Technical specifications of Main jets: 1. Size same as Keihin 99101 357 Main Jet 2. 16. 6mm in length with a 6mm Round Head 3. The length of thread: 5mm 4. package includes 1 each of following sizes #155, #158, #160, #162, #165, #168, #170, #172, #175, #178 5. Material: Metal copper Techinical specifications of Slow Jet: 1. Same size as Keihin N424 21 Slow Jet 2. 28mm in length with a 4. 5mm Round Head 3. The diameter of thread is 6mm. 4. package