GAS GAS EC 250 2021 Owner's Manual page 5

11 TUNING THE CHASSIS ................................................ 43
11.1 Checking the basic chassis setting with
the rider's weight ........................................ 43
11.2 Compression damping of the shock
absorber ...................................................... 43
11.3 Adjusting the low-speed compression
damping of the shock absorber .................. 43
11.4 Adjusting the high-speed compression
damping of the shock absorber .................. 44
11.5 Adjusting the rebound damping of the
shock absorber ............................................ 45
11.6 Measuring the dimension of the rear
wheel unloaded........................................... 45
11.7 Checking the static sag of the shock
absorber ...................................................... 46
11.8 Checking the riding sag of the shock
absorber ...................................................... 46
11.9 Adjusting the spring preload of the
shock absorber
11.10 Adjusting the riding sag ........................... 48
11.11 Checking the basic setting of the fork ........ 48
11.12 Adjusting the compression damping of
the fork ........................................................ 49
11.13 Adjusting the rebound damping of the
fork............................................................... 49
11.14 Handlebar position...................................... 50
11.15 Adjusting the handlebar position
12 SERVICE WORK ON THE CHASSIS .............................. 52
12.1 Raising the motorcycle with a lift stand ..... 52
12.2 Removing the motorcycle from the lift
stand ............................................................ 52
12.3 Bleeding the fork legs.................................. 52
12.4 Cleaning the dust boots of the fork legs..... 53
12.5 Removing the fork protector ...................... 53
12.6 Installing the fork protector ........................ 54
12.7 Removing the fork legs
12.8 Installing the fork legs
12.9 Removing the lower triple clamp ............ 55
12.10 Installing the lower triple clamp
12.11 Checking steering head bearing play.......... 58
12.12 Adjusting the steering head bearing
play .......................................................... 59
12.13 Lubricating the steering head bearing .... 60
12.14 Removing front fender................................ 60
12.15 Installing front fender ................................. 60
12.16 Removing the shock absorber
12.17 Installing the shock absorber
12.18 Removing the seat....................................... 64
12.19 Mounting the seat....................................... 65
12.20 Removing the air filter box cover................ 65
12.21 Installing the air filter box cover ................. 66
12.22 Removing the air filter
12.23 Installing the air filter
12.24 Cleaning the air filter and air filter
box ........................................................... 67
12.25 Preparing air filter box cover for
securing ................................................... 68
........................................ 47
........... 50
........................... 54
............................. 55
............. 56
................ 61
.................. 63
............................ 66
.............................. 67
12.26 Removing the main silencer........................ 68
12.27 Installing the main silencer ......................... 69
12.28 Changing the glass fiber yarn filling of
the main silencer
12.29 Removing the fuel tank
12.30 Installing the fuel tank ............................. 71
12.31 Checking the chain for dirt.......................... 73
12.32 Cleaning the chain....................................... 73
12.33 Checking the chain tension ......................... 74
12.34 Adjusting the chain tension ........................ 74
12.35 Checking the chain, rear sprocket,
engine sprocket, and chain guide ............... 75
12.36 Checking the frame
12.37 Checking the link fork .............................. 78
12.38 Checking the throttle cable routing............ 78
12.39 Checking the rubber grip ............................ 79
12.40 Adjusting the basic position of the clutch
lever ............................................................. 79
12.41 Checking/correcting the fluid level of the
hydraulic clutch ........................................... 79
12.42 Changing the hydraulic clutch fluid
13 BRAKE SYSTEM........................................................... 82
13.1 Checking the free travel of the hand
brake lever................................................... 82
13.2 Adjusting the basic position of the hand
brake lever (EC 300 US)............................... 82
13.3 Checking the brake discs............................. 82
13.4 Checking the front brake fluid level............ 83
13.5 Adding front brake fluid
13.6 Checking the front brake linings ................. 85
13.7 Changing the brake linings of the front
brake ........................................................ 85
13.8 Checking the free travel of foot brake
lever ............................................................. 87
13.9 Adjusting the basic position of the foot
brake lever ............................................... 88
13.10 Checking the rear brake fluid level ............. 88
13.11 Adding rear brake fluid
13.12 Checking the brake linings of the rear
brake............................................................ 90
13.13 Changing the rear brake linings
14 WHEELS, TIRES........................................................... 93
14.1 Removing the front wheel
14.2 Installing the front wheel
14.3 Removing the rear wheel
14.4 Installing the rear wheel
14.5 Checking the tire condition......................... 97
14.6 Checking tire pressure................................. 97
14.7 Checking spoke tension............................... 98
15 ELECTRICAL SYSTEM .................................................. 99
15.1 Removing the 12-V battery
15.2 Installing the 12-V battery
15.3 Charging the 12-V battery .................... 102
15.4 Changing main fuse .................................. 103
TABLE OF CONTENTS
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........ 80
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................... 100
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