Yamaha YZF-R125 Service Manual: Checking the ignition coil
1. Check:
Primary coil resistance
Out of specification
Replace.
a. Disconnect the ignition coil connectors from the ignition coil terminals.
b. Connect the pocket tester (
× 1)
to the ignition
coil as shown.
Positive tester probe
red/white "1"
Negative tester probe
orange "2"
c. Measure the primary coil resistance.
2. Check:
Secondary coil resistance
Out of specification Replace.
a. Disconnect the spark plug cap from the ignition coil.
b. Connect the pocket tester ( ×
1k) to the ignition
coil as shown.
- Positive tester probe
orange "1" - Negative tester probe
spark plug lead "2"
c. Measure the secondary coil resistance.
Checking the spark plug cap
1. Check:
Spark plug cap resistance
Out of specification Replace.
a. Remove the spark plug cap from the spark
plug lead.
b. Connect the pocket tester ( × 1k)
to the
spark plug cap as ...
Checking the ignition spark gap
1. Check:
Ignition spark gap
Out of specification Perform the
ignition
system troubleshooting, starting with step 5.
Refer to "TROUBLESHOOTING" on page
8-3.
NOTE:
If the ignition spark gap ...
Other materials:
Installing the swingarm
1. Lubricate:
Bearings
Spacers
Dust covers
Pivot shaft
2. Install:
Bearings "1"
2. Swingarm
A. Left side
B. Right side
3. Install:
Swingarm adjusting collar "1"
Swingarm "2"
Pivot shaft
Pivot shaft nut "3"
a. Install, and then fully turn in the swingarm adju ...
Disassembling the front fork legs
The following procedure applies to both of the
front fork legs.
1. Remove:
Rubber cap
Clip "1"
Front fork cap "2"
(with O-ring)
Fork spring
NOTE:
Push the front fork cap in the direction of the arrow
shown in the illustration to remove the clip.
2. Drain:
Fork oil
NOTE ...
Removing the front wheel (disc)
1. Stand the vehicle on a level surface.
WARNINGSecurely support the vehicle so that there
is
no danger of it falling over.
2. Elevate:
Front wheel
NOTE:
Place the vehicle on a suitable stand so that the
front wheel is elevated.
3. Remove:
Front brake caliper
NO ...