Husqvarna SM 610 2006 Workshop Manual page 189

E L E C T R IC S Y S T E M
Ig n itio n c o il res is tan c e ch e c k
T o ga in a ccess to th e e lectronic coil (1 ) re m o ve th e sa d d le a n d th e fu el tan k (see
pa ge E .16 -E .2 3). D e ta ch the ig nitio n coil from m ain w irin g h a rn e ss. R em o ve th e
fa sten in g scre w s , the ignition coil th en m easu re th e re sista n ce in th e prim a ry a nd
secon d ary w ind in gs u sin g a tester.
- P rim ary w in d in g resistan ce: che ck for th e co ntinu ity.
- S eco nd a ry w in din g resistan ce: 5,0÷7,5 K O hm a 20 °C (w ith o u t sp a rk plu g cap
cab le ); 1 0,0÷12 ,5 K O h m a 2 0°C (w ith spa rk plug ca p ca b le )
If the re sista nce is no t b etw een th e sp ecifie d valu es, re p la ce th e e le ctro nic co il.
A lso , ch eck th e resistan ce of the te rm ina l cap contact w ith th e sp a rk p lu g.
- T e rm in al ca p re sista nce: 4,5 ÷5,5 K O hm a 20 °C .
If the re sista nce is no t b etw een th e sp ecifie d valu es, re p la ce th e e le ctro nic co il.
N O T E : T h e ig n ition co il is fa ste ned unde r th e fue l ta n k. O n a n a re a to tally e xe m pt
from o xidizatio n o r p ain t; if the ea rth co nta ct is not p e rfe ct th is co u ld cau se da m ag e
to th e coil an d ign ition fa ults as w e ll.
17