Summary of Contents for j3 competition kosmic
- Page 1 2008 V.0108 KNOWLEDGE PACKET 8233 Oliver Road – Erie, PA 16509 P – 814.864.1846 F – 814.866.2697 E – Info@J3Competition.com W – J3Competition.com...
- Page 2 Rear-Track Adjustments Caster/Camber Adjustments Front-Ride Height Adjustments Ackerman and Steering Adjustment Rear-Ride Height Adjustments Tire Pressure Axle Chart/Stiffness Tuning Bars Rear Hubs Braking System Basic Wet Weather Conclusion J3 Competition Inc. – Kosmic Owner’s Knowledge Packet P a g e...
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Page 3: Product Description
J3 Competition. Check with the organization(s) you are competing with to insure all rules are met. For general balance of the chassis depending upon how much if any weight you need to mount, it should be placed opposite of the engine and below the seat on the front edge that contours the driver’s legs. - Page 4 1B. Rear Seat Struts Each Kosmic Kart is supplied with two (2) supplemental seat struts, one (1) for each side. The extra seat struts are designed to be fixed atop the rear axle cassette and then fastened to the seat with the provided hardware. A good place to start is using one (1) on each side.
- Page 5 2. Front Track Adjustment Nearly all Post-2005 Kosmic Racing Karts are sold with HST front stub axle, which has a 25mm stub in order increase the chassis front-end grip or effectiveness. The recommended front width is to use 3-5mm spacers on the inside of the hub (Standard 90mm HST Hub).
- Page 6 COMPLETE EXCENTRIC BUSH D.22 5. Front-End Ride Height Adjustments The Kosmic Racing Kart has three (3) washers that are placed between the stub axles and the ‘C’ on the Front-end of the chassis. Two (2) of the washers are special 4mm thick washers (PN 0215.00) and one (1) standard 1.5mm thick washer (PN RP 10x16x1.5).
- Page 7 Kosmic 6. Ackerman and Steering Adjustments Kosmic Racing Kart’s have two (2) different types of steering columns both are 47cm. The standard steering columns part number is (PN 0005.BA). The pitman arm or mounting plate on the column has two (2) locations for fixing the tie rod tubes.
- Page 8 7. Rear Ride Height Adjustments Kosmic Karts that have been produced from 2006 and beyond are equipped with a three (3) position rear carriage adjustment. This is a nice feature with gives the owner ample room to adjust the rear axle of their chassis. Each chassis comes standard with the axle placed in the center position of holes.
- Page 9 Remember that the axle doesn’t simply work outside the chassis, it also creates balance between the frame rails, and therefore, increased stiffness on your axle selection will give the chassis more balance as well. *Axle Chart provided on the following page J3 Competition Inc. – Kosmic Owner’s Knowledge Packet P a g e...
- Page 10 Many J3 Team Drivers prefer the 1.0mm bar Part Numbers Provided in the Picture J3 Competition Inc. – Kosmic Owner’s Knowledge Packet 10 | P a g e...
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Page 11: Material Type
10A. Tuning Bars (Rear Torsion Bar) Kosmic Racing Karts are provided with only one (1) style rear torsion bar. The bar is made of steel and measures 470mm (PN 0235.GA). The bar is round on each end at 30mm with the center being flattened to resemble a ‘Blade’. Since the rear torsion bar is manufactured in a ‘Blade’... -
Page 12: System Type
12. Braking Systems (Rear) Depending on the year of production, your Kosmic Racing Kart may have several different baking systems. All braking systems are equipped with highest of quality standards as well has CIK/FIA Homologated. Typically any chassis purchased later than 2006 will come fully equipped with the BS6 rear caliper and for gearbox applications the BS6 with its counterpart the BS5 system. - Page 13 12b. Braking Systems (Front) Depending on the year of production, your Kosmic Racing Kart may have several different baking systems. All braking systems are equipped with highest of quality standards as well has CIK/FIA Homologated. Typically any chassis purchased later than 2006 will come fully equipped with the BS6 rear caliper and for gearbox applications the BS6 with its counterpart the BS5 system.
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Page 14: Product Description
FRONT BRAKE PAD BS 1-2 0082.D4 REAR/FRONT BRAKE PAD BS 3/4/5/6 REAR/FRONT BRAKE PAD 0082.D4A SINTERED BS 3/4/5/6 Sintered Pad BS 3/4/5/6 BS 1-2 (REAR) BS 1-2 (FRONT) J3 Competition Inc. – Kosmic Owner’s Knowledge Packet 14 | P a g e... - Page 15 8. When finished make sure that you have securely tightened the discharge plugs. *Highlighted are the Bleeding Screws on the various caliper models 8mm Wrench 8mm Wrench 3mm Allen Pump’s Discharge Plug (5 mm Allen) J3 Competition Inc. – Kosmic Owner’s Knowledge Packet 15 | P a g e...
- Page 16 -Try to also raise the seat in an attempt to bring the driver’s center of gravity higher *This will be a very good starting point ! Notice the Longer Front Hub for added Grip! J3 Competition Inc. – Kosmic Owner’s Knowledge Packet 16 | P a g e...
- Page 17 Keep in mind that trial and error is still a great means of understanding the Kosmic material. Our aim is lessen the learning curve and instill our knowledge and assets to help our customers reach their desired results at a greater rate! The J3 Competition’s technical department will be releasing monthly updates on certain...
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Page 18: Chapter 1: Weight Distribution
Tonykart Chassis Setup Manual Sprint Setup Chapter 1: Weight Distribution 1.1 Introduction • 1.2 Seat Placement/Adjustment • 1.3 Factors to check during weight distribution analysis • 1.4 Adjusting Kart Weight • Chapter 2: Front End 2.1 Introduction to the Front End •... - Page 19 43% Front Weight 57% Rear Weight 50%:50% Left/Right Weight These are just recommended starting points. Weight can be moved around at the track to change the handling characteristics of the chassis. Moving weight to the front of the kart will provide more front end grip while moving weight to the rear of the kart will provide more rear grip.
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Page 20: Chapter 2: Front End
may have a chassis problem. Once final weight placement is determined, secure all weight properly. Preference is Grade 5 or better with 5/16 bolts of appropriate length. Be sure to cross drill and safety wire or safety clip each one. Most sanctioning bodies require double nutting of ballast as well. -
Page 21: Chapter 4: Miscellaneous Adjustments
3.1: Introduction to the Rear End The rear end of a kart begins from the back of the seat with adjustments including wheel hub length, track, rear ride height, axle stiffness, and seat struts. Changes to these settings are usually made when handling problems occur on the exit of the corner. -
Page 22: Chapter 5: Troubleshooting
the faster the tires will come up to race performance and the more grip you will have. However, if you put too much air pressure in the tires, the kart will become very loose. The reason for this is because the high pressures will cause the tire contact patch to form a curve in which there becomes a high point on the center of the contact patch. - Page 23 already done. 6. Change the axle to Type C. The kart is tight at the exit of the corner or the 1. Put shorter wheel hubs on the axle. front end is understeering at the exit of the 2. Move in the rear track by 1/2 inch. corner.