Seller notes

This STAGE 4 Jet Kit Fits Yamaha FZ1 2001 to 2005 PILOT #20 and (#140 for cylinders 2&3 / #142.5 for cylinder 1&4) and two shims for each carburetor needle. You only get Whats In First Photo. This is not a complete jet kit. it is only the main and pilot as seen in last photo circled in red. This kits includes 4 two sizes over N224.103 type Pilot Jets #20, and 4 four sizes over N102.221 type Main Jets ( two #140 & two #142.5 ) This is only jetting suggestions for your application. These are recom...

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