KTM 50 SX PRO SENIOR LC - Manual (Page 33)

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Hexagon nuts front/rear axle M12x1 30 Nm
Hexagon nut swing arm bolt M12 40 Nm
Clamping screw upper/lower fork bridge M8 15 Nm
Screws handlebar clamp M8 20 Nm
Shock absorber top/bottom M10 45 Nm
Allan screw – Handlebar support M10 Loctite + 40 Nm
Front brake caliper M8 Loctite + 20 Nm
Front brake disk M6 Loctite + 10 Nm
Spoke nipple M4 2,5 - 3 Nm
Other chassis screws M5 6 Nm
M6 10 Nm
M8 25 Nm
M10 45 Nm
TIGHTENING TORQUES
TECHNICAL SPECIFICATIONS - CHASSIS 50 MINI LC 2003
Spring 2.0 N/mm
Preload 10 mm (0.4 in)
Fork oil SAE 7.5
Air chamber length 110 mm (4.3 in)
STANDARD-ADJUSTMENT – FORK
50 SX PRO JUNIOR LC 50 SX PRO SENIOR LC
Frame single downtube, split-cradle
Fork Marzocchi Ø = 32 mm (1.26 in)
Wheel travel front/rear 135/200 mm (5.3/8 in) 175/185 mm (6.9/7.4 in)
Rear suspension Central shock absorber WP
Front brake Disk brake Ø 160 mm (6.4 in)
Rear brake Drum brake Ø 90 mm (3.5 in)
Tires front/rear 2.50x10” Pirelli MT32A / 2.75x10” MT320 2.50x12” Vee Rubber V270 / 2.75x10” V271
Tire pressure front/rear: 1.0 bar
Fuel tank capacity 1.8 Liters
Final drive ratio 11 : 48
Chain 1/2x3/16“ 96 rolls 1/2x3/16“ 104 rolls
Steering angle 63° 64°
Wheel base 914 mm (36 in) 1030 mm (40 in)
Seat height, unloaded 590 mm/615 mm (23.2/24.2 in) 650/675 mm (25.6/26.6 in)
Ground clearance 220 mm (8.6 in) 255 mm (10 in)
Rider’s body height max. 130 cm (51 in)
Rider’s body weight max. 35 kg (78 lbs)
Recommended age of rider 6-10 years
Engine 50 LC
WP 0318X914 WP 0318X915
Rebound adjuster 5 5
Spring 85 N/mm 45 N/mm
Spring preload 7 mm (0.28 in) 7 mm (0.28 in)
STANDARD ADJUSTMENT - SHOCK ABSORBER