Yamaha YZF-R125 Service Manual: Installing the engine
1. Install:
- Engine "1"
- Engine mounting bolt (rear lower side) "2"
- Engine mounting nut (rear lower side) "3"
- Engine mounting bolt (rear upper side) "4"
- Engine mounting nut (rear upper side) "5"
- Engine mounting bolt (front side) "6"
- Engine mounting nut (front side) "7"
NOTE:
Do not fully tighten the bolts and nuts.
2. Tighten:
- Engine mounting nut (rear upper side)
- Engine mounting nut (rear lower side)
- Engine mounting nut (front side)
Engine removal
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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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Other materials:
Installing the water pump
1. Install:
Water pump assembly "1"
O-rings "2"
NOTE:
Align the projection "a" on the impeller shaft
with the slit "b" on the camshaft sprocket bolt.
Lubricate the O-rings with a thin coat of lithiumsoap-
based grease.
2. Fill:
Cooling system
(with the specified amou ...
Faulty lighting or signaling system
Headlight does not come on
- Wrong headlight bulb
- Too many electrical accessories
- Hard charging
- Incorrect connection
- Improperly grounded circuit
- Poor contacts (main or light switch)
- Burnt-out headlight bulb
Headlight bulb burnt out
- Wrong headlight bulb
- Faulty battery
- Fau ...
Installing the primary drive gear and balancer gears
1. Install:
Balancer driven gear "1"
Lock washer
Balancer drive gear "2"
Primary drive gear
Washer "3"
Balancer driven gear nut
Primary drive gear nut
NOTE:
Align the punch mark "a" in the balancer drive
gear "2" with the punch mark "b" in the balancer
driven gear "1".
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