Dnepr MT9 - Page 18

cc
Tro uble
When depre ss ing the kick
sta rt er l eve r of gear box,
the l
ever goes do wn , bu t en -
gin e c rank sha ft fails to turn
Kick l ever fails to return
to upp er pos ition
Free trav el of starting
lever is too gre at
One of the gears will not
engage
Gears disengage by them-
selves during riding
Gear box operates with
nois e
Main drive gear s noisy
Cause
a) r atche t gear teeth bro-
ken;
b)
quad r ant t eeth brok en;
c) cl
utch slipping
Starting me chanism spring
broken or front bushing wa-
sher came out of mesh with
the end fac e lugs of the bush-
in g
Wedge became l oose and
lever turns free wi th respect
to starting shaft
One of the pins in gearshift
disk is broken
Splines of gearshift sleeves
or gear splines worn out
I. Little oil in the gear box
casi ng
2. Gear teeth worn
3. Bearings of the primary
or seco nd ary shaft worn
I. Little oil in th e main dri-
ve casing
2. Gearing maladjusted
(backlash must be with in 0.1
and 0.3 mm) .
Symptoms and fault tra cing
a) wh en depressing the kick
sta rter l ever, with speed gear
enga ged, motorcycle r emains
at re st ;
b)
same;
c) starting mechanism ope-
rates (mo torcy cle moves) bu t
e
ngin e cra nkshaft fails to t urn
Kick l ever ca n be easi ly
raised to upp er position by
hand
I. Check oil level
I. Check the presence of o il
Continued
Remedy
a) repair the gea r box. Re-
plac e the gea rs on int e rm e-
diate shaf t;
b) r
eplace the quad ra nt;
c) check th e clutch control
drive for pr oper ad ju stment;
if necessary, ad ju st
Repair the gear box. Repla-
ce the spring. Check whet her
quadrant is cor r ect ly pr essed
on (refer io Fig. 28), bring
the washer in mes h wit h th e
l
ugs of bu shing 1
Drive the wedge in and L,..-
tig ht en th e nut
Repair the gear box
Repair the gear box. Repla-
ce the s l eeves or gears
I. Add oil
2. Repair the gear box. Re-
place worn gears
3. Repair the g-e ar box. Re-
place worn bear ing s
I. Add oi l
2. Adju st th e backlash