Radne Raket 85 User Manual
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Radne Raket 85 User Manual

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Radne Motor AB
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Summary of Contents for Radne Raket 85

  • Page 1 English Radne Motor AB Users Manual...
  • Page 2 Users Manual Introduction We at Radne Motor congratulate you to your choice of the Raket 85 go-kart engine. With this manual we will try to give you hints regarding the run- ning and the maintenance of your new engine. It is our sincere hope that your new engine will give you lots of fun and very few problems.
  • Page 3 It can be equipped with catalytic emission control and a rev. limiter. Raket 85 is the most popular and most produced Raket engine. It is used in many countries for the youngest drivers. Often the same...
  • Page 4 We congratulate you to your new Raket 85 engine. We hope you will have a lot of fun with it. This engine is especially developed for the two junior classes Micro and Mini, for drivers 10-12 and 12-15 years of age.
  • Page 5 This is very important! The Raket 85 kart engine is homologated with the muffler 3012 in the Mini class, and with the muffler 3140 in the Micro class. Between the muffler 3012 and the exhaust pipe 3132, you must use a flexible hose (our number 3010).
  • Page 6 Users Manual Carburettor setting If you mounted the engine on the kart according to the description, you are now ready for your first test run. Select a “normal” gear- ing. We suggest 11 teeth on the engine sprocket (this is standard) and 80 teeth on the rear axle sprocket, this we call 11:80 gearing.
  • Page 7 5 or 20 liters of fuel. Ready-to-use oil in such small packages is available for the Raket engine from Radne Motor. Driving under rainy conditions When driving under rainy conditions it is absolutely necessary to protect the carburettor from water splashes and water mist.
  • Page 8 So here are some hints on how to check and adjust the carburet- tor and the ignition system. The carburettor used on the Raket 85 engine is a membrane car- burettor with a built-in fuel pump. It is made by Tillotson in Ireland, and has the designation HS.
  • Page 9 Users Manual very hard to see, so if it has been used for some time – change it. When you change the pump membrane, always change the gasket too. The membrane shall always be placed nearest to the carburettor housing, otherwise the valves will not work. Then take a last check of the channel between the crankcase and the carbu- rettor.
  • Page 10 Users Manual How to check the correct opening pressure for the needle valve. Connect a small air pump with a manometer to the fuel nipple of the carburettor. Drop some fuel on the needle valve and pump up some pressure. At 1.0 kp/cm2 the needle valve shall open – and you can see that it bubbles around the needle valve.
  • Page 11 Users Manual The ignition system The Raket 85 is equipped with a transistor ignition system, which is specially made for Raket kart engines. It is very reliable. Nor- mally it does not give any problems. Adjustment of the Raket 85 ignition system starts by adjusting the distance between the flywheel and ignition unit.

  • Page 12: Product Description

    This product description is only a supplement to the homologa- tion form for the Raket 85 engine. In case of doubt, you must first consult the homologation form, and then, if you don’t find what you are looking for, you read this product description.
  • Page 13 It is only the original piston that you are allowed to use, with- out any kind of machining or modification. The piston is always marked with the name of the manufacturer (Radne), but other markings on the crown of the piston may vary.
  • Page 14 Deburring is regarded as machining. 9. The fan cover The fan cover is standard for Raket 85. It must not be machined. The circular air inlet opening must have a diameter of 80 mm (+-1).
  • Page 15 Users Manual be mounted to the cylinder with two bolts in the two original holes on the exhaust side of the cylinder. The flange of the pipe must not have a hole with larger dimen- sions than the exhaust channel of the cylinder, measured closest to the flange.
  • Page 16 Users Manual Service Date: Description:...
  • Page 17 Users Manual 3013 Plate 3022 3014 Screw 3016 3015 Choke axle 3016 3017 Main diaphragm 3017 3018 Gasket 3019 Screw 3018 3014 3020 Expansion cap 3013 3022 Screw 3023 3023 Axle 3024 3027 3019 3024 Lever 3020 3025 Valve 3025 3026 Spring 3026...
  • Page 18 Users Manual 3140 Silencer box model 3007 Spring 40 mm 3140-1 Silencer box, catalytic converter 3010 Flex 3150 Crankcase 3012 Silencer 3151 Crankcase gasket 3012-1 Silencer with catalytic converter 3158 Rubber bushing 3048 Carburettor HS-175 3161 Carburettor flange aluminium 3048-1 Carburettor HS-205 4060 Pin screw 3053...
  • Page 19 Users Manual...
  • Page 20 Radne Motor AB, Box 3035, 136 03 Haninge, Sweden Tel: +46-8-556 506 90, Fax: +46-8-556 506 91 info@radne.se http://www.radne.se...

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