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1. L AIR CLEANER KIT INSTALLATION STEP 6 Insert the rubber intake duct through the back plate in the same fashion it was installed ee in the main support bracket See PIC 4 The back plate should be between the two rubber flanges Kurvakyn on the intake duct and the 90 Degree Elbow and Line Fitting Plug will be between the back plate and the engine on the downward end of the plate You may need to use a PIC 4 screwdriver to help poke the flange of the Rubber Intake Boot into position inside the back plate STEP 7 Line up the three holes in the back plate and the three holes in the flange of the rubber intake duct with the three holes in the main support bracket Insert the three supplied 1 4 20 X 5 8 socket head cap screws through the back plate and secure on the back side of the main support bracket with the 1 4 20 thin Nylock nuts You will need to pull back the inner flange of the rubber intake duct to access the holes Hold the Nylock nuts with a 7 16 wrench as you tighten the socket head cap screws with a 3 16 hex key See PIC 4 i STEP 8 The opening in the adapter boot must be slipped over the flange N of the stock air box and secured with the stock clamp Install the mounting bracket as shown in PIC 5 Secure this assembly to the bike with the hardware shown in PIC 2 and outlined in STEP 2 The back plate was not installed for PIC 5 to add clarity of assembly STEP 9 See PIC 6 Plug the extension into the float bowl ven2. ceo e auaa INSTALLATION SKULL AIR CLEANER KIT FOR YAMAHA 9955 CUSTOMER SERVICE FITS 98 05 V STAR 650 PART INCLUDED INSTALLATION QUESTIONS 509944 Skull Air Cleaner Assembly Including Skull Head Cover Cage Assembly Black Powder Coated LIMITED WARRANTY Backing Plate Dual Velocity Ring Not Used Mounting Hardware Kit Including V4 20 x 1 BSCS 18 8 V4 20 x 3 4 SHCS 18 8 V4 Nylon Washer K amp N Air Filter Plug amp Elbow Kit Including 1 8 NPT Hex Threaded Plug 1 used 90 Degree Barbed Elbow 1 used Mounting Kit Including Rubber Manifold Mounting Bracket M6 Aluminum Spacer V4 20 x 5 8 SHCS Alloy with Patch V4 20 Nylock Nut M6 Aluminum Tapered Bolt Cap M6 x 1 0 mm x 30mm SHCS M6 x 1 0mm x 16mm SHCS 6mm Serrated Flange Nut M6 Flat Washer 18 5 32 Vacuum Line not used 90 Degree Elbow 5 Hose 5 16 I D Aluminum Pipe 3 8 x 1 1 4 Hose Splice 3 Way Barbed T Fitting not used Jet Kit Including Pilot Jet 117 5 Main Jet 420 0 Main Jet ABOUT OUR CATALOG 122 5 Main Jet Installation Instructions 909944 400545 609944 909422 609452 SBSMWNNND A Aa Aas Baw AAN WWW KR A NNa AWW Ww A A A A A 309955 Not all parts will be used for this installation THANK YOU FOR CHOOSING KURYAKYN DISCLAIMER PLEASE READ BEFORE PROCEEDING Any modifications to a carbureted motorcycle s exhaust or intake tract require carburetor re jetting to achieve maximum perfor
3. d additional tuning to achieve maximum performance If your exact combination is not listed choose the listing that most closely resembles the configuration of the motorcycle These recommendations are based on testing done at 700 feet above sea level COBRA STOCK EXHAUST V amp H STYLE OR OPEN PIPES Main Jet 120 Main Jet 122 5 Pilot Jet 35 Pilot Jet 35 PMS Screw 1 1 2 Turns Out From PMS Screw 1 1 2 Turns Out From Bottom Bottom NOTE Your optimal performance and drivability may require some fine tuning from these specifications For instance the general rule of thumb is one jet size smaller for every 3000 4000 feet of elevation STEP 3 Insert both flanges of the rubber adapter through the mounting bracket as shown in PIC 2 The hardware components used for installation are placed near their respective mounting points A Socket head cap screw 30mm long tapered bolt cap and two spacers The spacers are placed between the chrome and the stock mounting brackets B Socket head cap screw 15mm long tapered bolt cap C Socket head cap screw 30mm long tapered bolt cap two spacers place between chrome and stock brackets and flange nut D Mounting holes STEP 4 Install a Line Fitting Plug into the threaded hole in the back plate labeled as A in PIC 3 and tighten snugly STEP 5 Install a 90 Degree Elbow into the threaded hole on the back plate labeled as B in PIC 3 Tighten snugly cont PAGE SKUL
4. mance and maintain drivability If you are uncomfortable with the process of tuning your carburetor we recommend that you bring your motorcycle to a qualified motorcycle mechanic to have this kit installed cont 9955 11MC 1005 DISCLAIMER CONT ee N The jets included in this kit were selected based on test results with various combinations of components Kurvakyn that we felt would represent the majority of the customers purchasing this kit However no two motorcycles are exactly alike Depending on the individual case additional jets may need to be purchased from an outside source Kuryakyn warrants the parts included in this kit to be free of defects in materials and workmanship but makes no claim whatsoever in regard to costs associated with installation or tuning PIC 1 NOTE Please read each step of the instruction before proceeding with the installation PROCEDURE STEP 1 Remove the stock air cleaner and components to the point shown in PIC 1 The stock plastic air box adapter A and stock mounting brackets B will remain in place STEP 2 Remove the carburetor according to the section in your factory service manual that outlines procedures for carburetor removal disassembly reassembly and installation Now is a good time to proceed with re jetting the carburetor Consult your factory service manual for details of this procedure We have supplied jets to cover many common configurations Individual bikes may nee
5. t hose and add the 5 section of hose included Connect this hose to the 90 degree fitting on the backside of the back plate STEP 10 Set the air filter into position on the back plate Place the cage over lt panara the filter and secure with the V4 20 x 1 BSCS fasteners provided a STEP 11 Set the Skull cover in place lining up the mounting holes with the cage Secure with the 1 4 20 x 3 4 SHCS fasteners and clear nylon washers It would be a good idea to use blue lock tight not supplied on these fasteners Do not over tighten STEP 12 Check to make sure throttle is working free before starting engine fi n r cont i AOS Br T ail J oat Dow e N PAGE HI FIVE FOR V STAR INSTALLATION TE Kurvakyn V Star 650 The jet sizes listed are siock and for relerence use only ADDENDUM I The jets included in this kit were selected based on test results with various combinations of components that we felt would represent the majority of the customers purchasing this kit However no two motorcycles are exactly alike Depending on the individual case additional jets may need to be purchased from an outside source The following recommendations are intended as a starting point and should work well in the majority of cases Individual bikes may need additional tuning to achieve maximum performance If the exact combination is not listed choose the listing that most closely resembles the configuration of the motorc
6. ycle These baselines were established at 700 feet above sea level PAGE SKULL AIR CLEANER KIT INSTALLATION Ride On
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