Manual KTM 450 SX Racing (page 60 of 70) (English)

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ENGLISH

TECHNICAL DATA – CHASSIS »

CHASSIS 250 SX-F, 450/525 SX 250/400/450/525 XC/EXC 450/525 XC, EXC USA

Frame Central tube chrome-moly-steel frame

Fork WP 4860 MA/PA WP 4860 MA (450/525 XC USA: WP 4860 MA/PA)

Wheel travel front/rear 300/335 mm

Rear suspension WP Progressive Damping System shock absorber, aluminium swing arm

Front brake Disk brake with carbon-steel brake disc Ø 260 mm (10.2 in), brake caliper floated

Rear brake Disk brake with carbon-steel brake disc Ø 220 mm (8.7 in), brake caliper floated

Brake disc Wear limit max. 2,5 mm front and 3,5 mm rear

Front tires

Air pressure offroad

Air pressure road driver only

80/100 - 21“

1.0 bar (14 psi)

–

90/90 - 21“

1.0 bar (14 psi)

1,5 bar

80/100 - 21“

1.0 bar (14 psi)

1.5 bar (21 psi)

Rear tires

Air pressure offroad

Air pressure road driver only

110/90 - 19“

1.0 bar (14 psi)

–

140/80 - 18“ (250 EXC: 120/90-18“)

1.0 bar (14 psi)

2.0 bar (28 psi)

110/100 - 18“

1.0 bar (14 psi)

2.0 bar (28 psi)

Fuel tank capacity 7 liters (2 US gallons)

EXC 8 liters (2.1 US gall.), XC-USA 9 liters (2.4 gall.), XC 13 liters (3.5 gall.)

Final drive ratio

250-13:48 / 450-14:52 / 525-14:48

EU-15:45, USA-14:50

Chain X-Ring 5/8 x 1/4“

Available final sprockets 38, 40, 42, 45, 48, 49, 50, 51, 52

Bulbs

headlight 12V 35/35W (socket BA20D)

parking light 12V 5W (socket W2, 1x9,5d)

brake - rear light 12V 21/5W (socket BaY15d)

flasher light 12V 10W (socket Ba15s)

Battery maintenance-free battery 12V 8Ah

Steering head angle 63.5°

Wheel base 1481 ± 10 mm (58.3 ± 0.4 in)

Seat height, unloaded 925 mm (36.5 in)

Ground clearance, unloaded

380 mm (15.1 in)

Weight (without fuel)

approx. 106 kg (233.2 lbs) approx. 113 kg (248.6 lbs)

STANDARD ADJUSTMENT – FORK

250 SX-F 450/525 SX 250/400/450/525

XC/EXC

450/525 XC USA

525 EXC SIXDAYS

WP4860MA/PA

14187B03

WP4860MA/PA

14187B05

WP4860MA

14187B06

WP4860MA/PA

14187B29

Compression adjuster 20 20 20 20

Rebound adjuster 18 20 21 20

Spring 4.4 N/mm 4.6 N/mm 4.2 N/mm 4.4 N/mm

Spring preload 5 mm 5 mm 5 mm 3 mm

Air chamber length 100 mm 100 mm 110 mm 110 mm

Fork oil SAE 5 SAE 5 SAE 5 SAE 5

STANADARD ADJUSTMENT – SHOCK ABSORBER

250 SX-F 450/525 SX 250/400/450/525

XC/EXC

450/525 XC USA

525 EXC SIXDAYS

WP 5018 PDS

DCC

12187B03

WP 5018 PDS

DCC

12187B05

WP 5018 PDS

MCC

12187B06

WP 5018 PDS

DCC

12187B26

Compression adjuster

15 LS (low speed)

2.5 HS (high speed)

15 LS (low speed)

2.5 HS (high speed)

15 15 LS (low speed)

1.5 HS (high speed)

Rebound adjuster 22 22 22 22

Spring 76/250 80/250 80/250 80/250

Spring preload 5 mm 5 mm 6 mm 5 mm

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KTM 450 SX Racing Manual

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