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
...
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.
...
Other materials:
Troubleshooting
Although Yamaha motorcycles receive
a thorough inspection before shipment
from the factory, trouble may occur during
operation. Any problem in the fuel,
compression, or ignition systems, for
example, can cause poor starting and
loss of power.
The following troubleshooting charts
repre ...
Checking the front fork
1. Stand the vehicle on a level surface.
WARNINGSecurely support the vehicle so that there
is
no danger of it falling over.
2. Check:
Inner tube
Damage/scratches Replace.
Oil seal
Oil leakage Replace.
3. Hold the vehicle upright and apply the front
brake.
4. Che ...
Checking the camshaft sprocket and timing chain guide
1. Check:
Camshaft sprocket
More than 1/4 tooth wear "a" Replace
the
camshaft sprocket, timing chain and crankshaft
as a set.
a. 1/4 tooth
b. Correct
1. Timing chain roller
2. Camshaft sprocket
2. Check:
Timing chain guide (exhaust side)
Damage/wear Replace.
...