Honda Z50A Manual page 31

29
Troubles
I
Probable Cause
I
Remedy
I
Procedure
Lubrication Pour or change oil Shortage of oil amount or inferior oil
cause engine scaz1ng and stick.
Supply proper grade oil or change if
necessary.
Fuel Check Premium quality gasoline is being
used.
High
oil
©
Wear of engine's Replace Worn piston. piston ring and cylinder
consumption
part should be replaced.
® Clearance between Replace
Replace both valve and valve guide
valve and valve
in case there are large clearance
guide between them.
.
---
--·-
@
Piston ring instal- Disassembling and
Each piston ring must be installed
lation inspect properly on the piston and piston ring
gaps must be staggered at
120°
apart.
@ Amount of oil
Check
When the oil was overfilled. drain the
oil to bring to the proper oil level.
®
Leakage Check Replace the gascket or oil seal and
retighten the screws.
(CLUTCH MULFUNCTION)
Troubles
I
Probable Cause
I
Remedy
I
Procedure
Clutch slippage Wear clutch plate and Check and repair Spring compressive force and free
clutch friction disk and length are beyond the serviciable
spring damage limit. they should be replaced.
Re-
place the parts in case the clutch
disks and plates are distorted or ex-
cessively worn.
Clutch stick
Oil
and defective Inspect and adjust Readjust the clutch or replace the
installation
clutch disks and plates if necessary.
--
Chattering noise Clutch spring Check and adjust
Adjust the same height of clutch
spring and replace if the springs are
distorted.
Gear shift operation
Not able to shift
Gear. shift fork. shift
Inspect and replace © Broken. wear and damage of these
the gear arm. spring parts should be replaced.
® Repair the gear shaft arm or drum
if they do not operate smoothly.
Gear change pedal
Gear shift return spring
Inspect
©
Repair or replace if they are de-
does not return to and
gear
shift arm fectively.
the normal position
spring
Transmission gear Gear shift fork
Repair ©
If the gear shift fork finger is de-
jumping
gear shift drum
formed or excessively worn.
it
stopper spring
should be replaced.
®
Replace if the spring compressive
force is inadequate.