Thank you for purchasing this Dynojet kit. This kit has been developed for a motorcycle which is set to the parameters listed at the right in the Stage description. If your motorcycle does not meet any of these parameters please check with Dynojet before installation. For technical assistance contact your Dynojet distributor or call Dynojet U.S.A. (800)-992-Mendenhall Dr. Suite 105 North Las Vegas, NV 89081 TEL: 702-399-1423 FAX: 702-399-1431 8am-5pm Pacific Time Monday through Friday Website Address http://www.dynojet.com The manufacturer and seller make no warranties express or implied which extend beyond the description of the goods contained herein. Any description oF this product is for the purpose of identifying it and shall not be deemed to create an express warranty.

WARNING

4145.001

U.S Models Only

NO SMOKING! NO OPEN FLAME! WHILE INSTALLING YOUR DYNOJET KIT
1997-2007 Yamaha YZF600R Stage 1
For mildly tuned machines using the stock airbox, with stock filter. May also be used with a good aftermarket exhaust system

Parts List

1 Main Jets Main Jets Main Jets Fuel Needles E-clips Adjusting Washers Slide Spring Plug Drill Screw DJ140 DJ144 DJ150 DNO348 DE0001 DW0001 DSP026 DD 5/32 DS0001
This graph shows a typical gain with a Dynojet jet kit.

STAGE ONE INSTRUCTIONS

1. Remove the vacuum slides from the carbs. Remove the stock needles and spacers, noting the order of assembly(Fig.A). 2. Install the Dynojet needles on groove #4 from the top. Use all stock spacers (Fig. A). Install the small Dynojet washers above the E-clip (2 per needle). Install the Dynojet slide springs (DSP026) in place of the stock slide springs. After installing the slides in the carbs be sure to check slide movement manually. 3. Remove the stock main jets and replace with the Dynojet main jets provided. If you are running the stock exhaust install the DJ144 main jets. If you are running an aftermarket exhaust or slip-on with high flow baffle use the DJ150 main jets. Be sure that the jets you are changing are the main jets. NOTE: If running above 4000ft use the DJ140 main jets with the stock exhaust and the DJ144 main jets with an aftermarket exhaust. 4. Locate the fuel mixture plug (Fig. B). If you see a screw head at Fig. B then proceed to the adjusting procedure. With the DD #5/32 drill bit provided, carefully drill through the plug. NOTE: The mixture screw is directly underneath this plug, be ready to pull back on the drill the instant you break through. Use screw provided to secure and remove this plug. Carefully turn the mixture screws clockwise until lightly seated, then back out 2-1/2 turns.
Place E-clip in groove #4 from the top

Fig. A

Fig. B