Dynojet Jet Kit Stage 1 and 3 - 4129 | Yamaha FZR600R 1989-1999

Features:

• Average horsepower increases of 15%-25%
• Each DynoJet kit is precisely engineered to provide a simple and cost effective solution for all your riding needs
• Kit includes jets, needle, spring, shim and instructions
• Stage 1: stock engine/filters, stock/modified pipes; about a 5% power increase
• Stage 3: stock/mild modified engine, stock/modified pipes, individual air filters; drivability may be compromised, N/A for some motors; about a 10-15% power increase

Installation Instructions