User manual KTM 50 SX

[. . . ] OWNER'S MANUAL 2010 50 SX 50 SX Mini Art. 3211477en 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 and your child 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. [. . . ] Apart from premature wear, in extreme cases the chain may snap or the countershaft of the transmission can break. On the other hand, if the chain is loose, it may jump off the engine sprocket or the rear sprocket, causing the rear wheel to lock or damage the engine. Check for correct chain tension and adjust if necessary. 20) Push the chain at the end of the chain sliding component upward to measure the chain tension . Info The upper chain section must be taut. Because chain wear is not always even, repeat this measurement at different chain positions. 700483-01 ­ ­ Loosen nut . Adjust the chain tension by turning the adjusting screws left and right. 0. 31 in) Turn adjusting screws equally on the left and right. Check that the rear wheel is aligned with the front wheel. ­ 700484-11 Make sure that the chain adjuster supports are fitted correctly on the adjusting screws . Guideline Nut, rear wheel spindle M12x1 p. 20) 40 Nm (29. 5 lbf ft) ­ ­ Remove the motorcycle from the work stand. ( Adjusting chain tension - after checking 9. 36 ­ ­ Loosen nut . Adjust the chain tension by turning the adjusting screws left and right. 0. 31 in) Turn adjusting screws equally on the left and right. Check that the rear wheel is aligned with the front wheel. ­ 700484-10 Make sure that the chain adjuster supports are fitted correctly on the adjusting screws . Guideline Nut, rear wheel spindle M12x1 40 Nm (29. 5 lbf ft) ­ MAINTENANCE WORK ON CHASSIS AND ENGINE Adjusting chain tension - installing rear wheel 9. 37 36 ­ Adjust the chain tension by turning the adjusting screws left and right. 0. 31 in) Turn adjusting screws equally on the left and right. Check that the rear wheel is aligned with the front wheel. 700484-12 Adjusting the chain guide 9. 38 x ­ ­ ­ Loosen screw . Guideline Remaining screws, chassis M6 10 Nm (7. 4 lbf ft) Info The size of the chain wheel varies with the number of teeth. The chain guide can be adjusted on small sprockets. 700485-01 Checking brake discs 9. 39 Warning Danger of accidentsReduced braking efficiency due to worn brake disc(s). ­ Change the worn brake disc(s) without delay. (Your authorized KTM workshop will be glad to help. ) ­ Check the thickness of the front and rear brake discs at several places on the disc to see if it conforms to measurement . A Info Wear reduces the thickness of the brake disc around the area used by the brake linings. Brake discs - wear limits Front 2. 2 mm (0. 087 in) 2. 2 mm (0. 087 in) 400257-10 Rear » ­ ­ » Change the brake disc. If the brake disc thickness is less than the specified value: Check the front and rear brake discs for damage, cracking and deformation. [. . . ] Thanks to first rate synthetic esters and specially designed additives, superb combustion is achieved even under extreme operating conditions. SAE The SAE viscosity classes were defined by the Society of Automotive Engineers and are used for classifying oils according to their viscosity. The viscosity describes only one property of oil and says nothing about quality. INDEX INDEX 81 E Engine running in . 14 Engine - Work on individual parts assembling centrifugal clutch . 36 Brake fluid front brake fluid, adding . [. . . ]