Husqvarna SM 610 2006 Workshop Manual page 95

E N G IN E O V E R H A U L IN G
C a rb u re to r a d ju s tm e n t
A d ju st th e ca rb u re to r w ith w a rm e n g in e a n d w ith th e th ro ttle in clo se d p o si-
tio n .
W o rk a s fo llo w s:
- T u rn slo w ru n n in g a d ju stin g scre w (1 ) o n th e le ft s id e o f th e b ike u n til th e
e n g in e is tu rn in g o ve r a t fa irly h ig h rp m (tu rn th e scre w clo ck w ise to in cre a se
th e rp m , a n d a n ticlo ckw ise to d e cre a se th e rp m ).
- T u rn a d ju stin g scre w (2 ) clo ckw ise u n til th e fu lly c lo se d p o sitio n is re a ch e d
th e n tu rn b a ck 1 ,5 tu rn s.
- p ro g re ssive ly lo o se n a d ju stin g scre w (1 ) to o b ta in th e slo w ru n n in g re -
q u ire d .
N O T E
A n in co rre ct id le je t size co u ld ca use tro u b le s o f sta rtin g o f th e e n g in e .
In th is ca se :
- if tu rn in g th e sc re w (2 ), n o e n g in e sp e e d ch a n g e is o b ta in e d , a sm a lle r id le
je t h a s to b e in sta lle d ;
- if th e e n g in e sto p s w h e n th e scre w (2 ) is n o t ye t c o m p le te ly tu rn e d , a la rg e r
id le je t h a s to b e in sta lle d .
A fte r th e id le je t re p la ce m e n t, re p e a t th e C a rb u re to r
a d ju stm e n t .
B e sid e s, if w ith a co m p le te ly th ro ttle g rip o p e n , p o o r a cce le ra tio n o r slo w
p icku p o f th e e n g in e o r so o ty sp a rk p lu g a re o b ta in e d , it is n e ce ssa ry to
ch e ck th e w e a r o f th e se ca rb u re to r p a rts: th ro ttle va lve , m e te rin g p in a n d
n e e d le je t (m ixtu re e n rich m e n t). S e e th e n e xt p a g e s.
Id le a d ju s tm e n t
A d ju st th e ca rb u re to r w ith w a rm e n g in e a n d w ith th e th ro ttle co n tro l in clo se d
p o sitio n .
P ro ce e d a s fo llo w s:
- T u rn slo w ru n n in g a d ju stin g scre w (1 ) o n th e le ft s id e o f th e b ike , n e a r th e
fu e l co ck (tu rn th e scre w clo ckw is e to in cre a se th e rp m , a n d a n ticlo ckw ise to
d e cre a se th e rp m ).
C a rb u re to r c h e c k in g
1 . In sp e ct:
- C a rb u re to r b o d y
C o n ta m in a tio n : C le a n
2 . In sp e ct:
- M a in je t (1 )
- P ilo t je t (2 )
- N e e d le je t (1 2 )
- P ilo t scre w (7 )
- S ta rte r je t (3 )
- M a in a ir je t (4 )
- P ilo t a ir je t (8 )
D a m a g e : R e p la ce
C o n ta m in a tio n : C le a n
N O T E :
- U se a p e tro le u m b a se d so lve n t fo r cle a n in g . B lo w o u t a ll p a ssa g e s a n d je ts
w ith co m p re sse d a ir.
- N e ve r u se a w ire .
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