Yamaha YZF-R125 Service Manual: Installing the exhaust assembly
1. Install:
- Exhaust assembly "1"
- Exhaust pipe nuts "2"
- Exhaust assembly bolts "3" "4"
NOTE:
Do not fully tighten the nuts and bolts.
2. Tighten:
- Exhaust pipe nuts "2"
- Exhaust assembly bolt "4"
- Exhaust assembly bolt "3"
Installing the shift arm
1. Install:
Shift arm "1"
NOTE:
Make sure that the distance "a" between the
center of the left rider footrest "2" and the center
of the shift pedal "3" is within specification.
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Cylinder head
* Yamaha bond No. 1215 (Three Bond No. 1215) ...
Other materials:
Setting the diagnostic mode
1. Set the main switch to "OFF" and the engine stop switch to "
".
2. Disconnect the self-diagnosis signal connector "1", and then connect the FI
diagnostic tool "2" as
shown.
3. Disconnect the fuel pump coupler.
4. While pressing the "MODE" button, set the main switch to "ON".
NOTE:
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Installing the valves
The following procedure applies to all of the
valves and related components.
1. Deburr:
Valve stem end
(with an oil stone)
2. Lubricate:
Valve stem "1"
Valve stem seal "2"
(with the recommended lubricant)
3. Install:
Lower spring seat "1"
Valve stem seal "2"
V ...
Measuring the compression pressure
NOTE:
Insufficient compression pressure will result in a
loss of performance.
1. Measure:
Valve clearance
Out of specification →Adjust.
Refer to "ADJUSTING THE VALVE CLEARANCE"
on page 3-3.
2. Start the engine, warm it up for several minutes,
and then turn it off.
3. Remove:
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