User manual KTM 450 SX-F

[. . . ] OWNER'S MANUAL 2010 450 SXF EU 450 SXF USA Art. 3211482en DEAR KTM CUSTOMER DEAR KTM CUSTOMER 1 Congratulations on your decision to purchase a KTM motorcycle. You are now the owner of a state-of-the-art sports motorcycle that will give you enormous pleasure if you service and maintain it accordingly. We wish you great pleasure riding the vehicle! Enter the serial numbers of your vehicle below. [. . . ] » If the rear sprocket / engine sprocket are worn: ­ Replace the rear sprocket/engine sprocket. Info When fitting the split link, always make sure that the closed side of the locking clip faces forward (riding direction). The engine sprocket, rear sprocket and chain should always be replaced together. 400227-01 ­ Check the chain guide for tightness and wear. Checking chain wear 9. 45 ­ ­ ­ Jack up the motorcycle. Pull on the upper part of the chain with the specified weight . Guideline Weight of chain wear measurement 10. . . 33 lb. ) A 0 ­ Measure the distance of 18 chain links in the lower chain section. Info Chain wear is not always even, so you should repeat this measurement at different chain positions. Maximum distance at the longest chain section » ­ Replace the chain. 272 mm (10. 71 in) If the distance is greater than the specified measurement: B 0 123 16 17 18 400226-10 Info When you replace the chain, you should also replace rear sprocket and engine sprocket. New chains wear out faster on old, worn sprockets. ­ Remove the motorcycle from the work stand. 24) MAINTENANCE WORK ON CHASSIS AND ENGINE Adjusting chain tension 9. 46 40 Warning Danger of accidentsDanger caused by incorrect chain tension. ­ If the chain tension is too high, the components of the secondary power train (chain, engine sprocket, rear sprocket, bearings in transmission and rear wheel) are under additional load. Apart from premature wear, in extreme cases the chain can rupture or the countershaft of the transmission can break. On the other hand, if the chain is loose, it can fall off the engine sprocket or the rear sprocket and block the rear wheel or damage the engine. Check the chain tension and correct if necessary. 24) Push the chain up at the rear edge of the chain guide to measure the chain tension . Info The upper chain section must be taut. Chain wear is not always even, so you should repeat this measurement at different chain positions. 400213-10 ­ ­ ­ Loosen nut . Adjust the chain tension by turning the adjusting screws left and right. 0. 39 in) Turn adjusting screws on the left and right so that the markings on the left and right chain adjusters are in the same position relative to the reference marks . The rear wheel is then correctly aligned. ­ ­ ­ Tighten nuts . Make sure that chain adjusters are fitted correctly on adjusting screws . Guideline Nut, rear wheel spindle M20x1. 5 80 Nm (59 lbf ft) Info The wide adjustment range of the chain adjusters (32 mm) enables different secondary transmissions with the same chain length. Chain adjusters can be turned by 180°. [. . . ] 64 Compression damping fork, adjusting . 29 Compression damping, high-speed shock absorber, adjusting . 24 Compression damping, low-speed shock absorber, adjusting . B Basic suspension setting checking with rider's weight . [. . . ]