Yamaha YZF-R125 Service Manual: Adjusting the exhaust gas volume
NOTE:
Be sure to set the CO density level to standard, and then adjust the exhaust gas volume.
1. Remove:
- Rider seat Refer to "GENERAL CHASSIS" on page 4-1.
2. Set the main switch to "OFF".
3. Disconnect:
- Self-diagnosis signal connector "1"
4. Connect:
- FI diagnostic tool "2"
5. While pressing the "MODE" button "1", turn the main switch to "ON".
NOTE:
- "DIAG" appears on the LCD "2" of the FI diagnostic tool.
- "POWER" LED (Green) "3" comes on.
6. Press the "UP" button "4" to select the CO adjustment mode "CO" or the diagnostic mode "DIAG".
7. After selecting "CO", press the "MODE" button.
8. Check that "C1" appears on the LCD of the FI diagnostic tool, and then press the "MODE" button.
9. Start the engine.
| CAUTION: Perform the adjustment after the battery has been sufficiently charged. |
10.Change the CO adjustment volume by pressing the "UP" and "DOWN" buttons.
NOTE:
The CO adjustment volume and engine idling speed appears on the LCD of the FI diagnostic tool.
- To decrease the CO adjustment volume, press the "DOWN" button.
- To increase the CO adjustment volume, press the "UP" button.
11.Release the "DOWN" and "UP" buttons to execute the selection.
12.Set the main switch to "OFF" to cancel the mode.
13.Disconnect:
- FI diagnostic tool
14.Connect:
- Self-diagnosis signal connector
15.Install:
- Rider seat Refer to "GENERAL CHASSIS" on page 4-1.
Adjusting the valve clearance
The following procedure applies to all of the
valves.
NOTE:
Valve clearance adjustment should be made
on a cold engine, at room temperature.
When the valve clearance is to be measured or
a ...
Adjusting the engine idling speed
NOTE:
Prior to adjusting the engine idling speed, the air
filter element should be clean, and the engine
should have adequate compression.
1. Start the engine and let it warm up for several
minut ...
Other materials:
General tightening torque specifications
This chart specifies tightening torques for standard
fasteners with a standard ISO thread pitch.
Tightening torque specifications for special components
or assemblies are provided for each
chapter of this manual. To avoid warpage, tighten
multi-fastener assemblies in a crisscross pattern
and ...
Removing the swingarm
1. Stand the vehicle on a level surface.
WARNINGSecurely support the vehicle
so that there is
no danger of it falling over.
NOTE:
Place the vehicle on a suitable stand so that the
rear wheel is elevated.
2. Measure:
Swingarm side play
Swingarm vertical movement
a. Me ...
Installing the front brake caliper
1. Install:
Brake caliper "1"
(temporarily)
Copper washers "2"
Brake hose "3"
Brake hose union bolt "4"
WARNINGProper brake hose routing is essential to
insure
safe vehicle operation. Refer to "CABLE
ROUTING" on page 2-33.
CAUTION:
Install the brake ...