Yamaha YZ125X 2023 Owner's Manual page 130

Part name
Jet needle Rich
*(STD)
(STD)
Lean
*For AUS/NZL
Size Part number
NYFD B4X-14916-FD
NYCD B4X-14916-CD
NYDD B4X-14916-DD
NYED B4X-14916-ED
NYFE B4X-14916-FE
NYCE B4X-14916-CE
NYDE B4X-14916-DE
NYEE B4X-14916-EE
NYFF B4X-14916-FF
NYCF B4X-14916-CF
NYDF B4X-14916-DF
NYEF B4X-14916-EF
NYFG B4X-14916-FG
NYCG B4X-14916-CG
NYDG B4X-14916-DG
NYEG B4X-14916-EG
NYFH B4X-14916-FH
NYCH B4X-14916-CH
NYDH B4X-14916-DH
NYEH B4X-14916-EH
8-5
ENGINE