Dynojet Stage 1/3 Jet Kit for Kawasaki KZ750 KZ 750 1980-1983: Automotive. Buy Dynojet Stage 1/3 Jet Kit for Kawasaki KZ750 KZ 750 1980-1983: Jets & Jet Kits - ✓ FREE DELIVERY possible on eligible purchases. 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 。 Designed for Motorcycles With a Stock Engine Using the Stock Airbox, Air Filter, and Stock or Aftermarket Pipe。Stage 1 Kits Are Fully Adjustable to Allow the Use of Well-Designed Aftermarket Pipes and K&N Stock Replacement Air Filters。Stage 1 Kits Are Designed to Improve Throttle Response and Driveability in Most Cases; Power Increases of Approximately 5% Throughout the Entire Power Range Can Be Achieved。Designed for Motorcycles With Stock or Mildly Modified Engines Using K&N Individual Air Filters and a Stock or Aftermarket Pipe。In Most Cases Power Increases of 10-15% Can Be Achieved。However, Driveability May Be Compromised Particularly With Short Stroke High RPM Motors。On Some Modern Engine and Airbox Designs, Individual Filters and Proper Jetting Offer No Performance Improvement, Yet Compromise Driveability。In Such Cases Stage 3 Kits Are Not Available。Fits the Following Kawasaki Models:。KZ750 1980-1983 (Models With Keihin Carb)。Please Note: The Image Displayed Is Representative of the Item, but May Vary Depending on Your Specific Model.。 。 。 。