Celestron 250 Motorcycle User Manual


 
250/380SX
250/
300/380 MXC 250/300/380 EXC 250/300/380 EGS
Frame Central chrome-moly-steel frame
Fork WP Extreme Ø 50 mm
Wheel travel front/rear 280 / 320 mm (11.0 / 12.6 in)
Rear suspension WP Progressive Damping System shock absorber, aluminium swingarm
Front brake Disc brake with carbon-steel brake disc Ø 260 mm (10.2 in), brake caliper floated
Rear brake Disc brake with carbon-steel brake disc Ø 220 mm (8.7 in), brake caliper floated
Front tires 80/100 - 21“ 51M 80/100 - 21“ 51M 90/90 - 21“ 54R 90/90 - 21“ 54R
80/100 - 21“ 51M
Air pressure offroad
1.0 bar (14 psi) 1.0 bar (14 psi) 1.0 bar (14 psi) 1.0 bar (14 psi)
Air press. road driver only
1.5 bar (21 psi) 1.5 bar (21 psi)
Rear tires 110/90 - 19“ 62M 110/100 - 18“ 64M 140/80 - 18“ 70R 140/80 - 18“ 70R
110/100 - 18“ 64M
Air pressure offroad
1.0 bar (14 psi) 1.0 bar (14 psi) 1.0 bar (14 psi) 1.0 bar (14 psi)
Air press. road driver only
2.0 bar (28 psi) 2.0 bar (28 psi)
Fuel tank capacity 7.5 liter 12 liter 9.5 oder 12 liter 9.5 oder 12 liter
(2 US gallons) (3.2 US gallons) (2.5 or 3.2 US gallons) (2.5 or 3.2 US gallons)
Final drive ratio 14:50t 14:52t 14:50t / 14:52t 14:50t / 15:48t
Chain 5/8 x 1/4"
Available final sprockets 38t, 40t, 42t, 45t, 48t, 50t, 52t;
Steering head angle 63.5°
Wheel base 1481 ± 10 mm (58.3 ± 0.4 in)
Seat height, unloaded 925 mm (36.4 in)
Ground clearance, unloaded 385 mm (15 in)
Dead-weight without fuel
101 kg (223 lbs) 102.5 kg (226,3 lbs) 103.7 kg (229 lbs) 109 kg (240,6 Ibs)
TECHNICAL SPECIFICATIONS CHASSIS 250 / 300 / 380 SX / MXC / EXC / EGS ‘99
WP 918T768 WP 918T769
Compression adjuster 12 12
Rebound adjuster 12 12
Spring 4,2 N/mm 4,0 N/mm
Spring preload 5 mm (0,2 in) 5 mm (0,2 in)
Air chamber length 150 mm (5,9 in) 155 mm (6.1 in)
Capacity per fork leg appropx. 750 ccm appropx. 750 ccm
Fork oil SAE 5 SAE 5
Standard adjustment - fork
NOTE:
The damping units in the left and the right fork leg are of different
design. Make sure not to mix them up in case of repair or service jobs.
Collar screw front wheel spindle M 10 40 Nm (30 ft.lb)
Brake caliper front M 8 25 Nm (19 ft.lb)
+ Loctite 242
Clamping screws upper fork bridge M 8 15 Nm (11 ft.lb)
Clamping screws lower fork bridge M 8 20 Nm (15 ft.lb)
Clamping screws fork stubs M 8 15 Nm (11 ft.lb)
Collar nut rear wheel spindle M 20x1,5 80 Nm (59 ft.lb)
Hexagon nut swing arm bolt M 14x1,5 100 Nm (74 ft.lb)
Shock absorber top M 12 60 Nm (44 ft.lb)
Shock absorber bottom M 12 40 Nm (30 ft.lb)
Other screws on chassis M 6 10 Nm (7 ft.lb)
M 8 25 Nm (19 ft.lb)
M 10 45 Nm (33 ft.lb)
Torques
WP 1218T712 WP 1218T714
Compression adjuster 5 6
Rebound adjuster 14 12
Spring PDS3–250 PDS2–250
Spring preload 5 mm (0.2 in) 6 mm (0.23 in)
Standard-adjustment - shock absorber
35