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1979 GS 850 dies out

984 views 10 replies 2 participants last post by  Bweighmaster 
#1 ·
I'm guessing it's a common or known ploblem..bike starts and idles ..start to accelerate ..dies out ..taken apart carbs several times ..installed a dynatek ignition..2 new coils ..new wiring from dynatec to coils ..
What am I missing ..???
 
#3 ·
Air filter box on or off doesn't it ..
Fresh gas ..3-4 days ago ..premium..carbs are clean..been apart several times ..yes ..pulled float,jet,seat,screen at intake/input clean..
Between 130-150 on compression on all 4 ..nice hot blue/white spark..
 
#7 ·
Carbs been off several times ..5-6 cans of carb clean in the last 2 yrs ..new intake rubber necks using a temporary aux tank as gas tank..yes ..it's clean..inline gas filter ..fresh gas..8-9-10 days ago..premium....new ignition module ..dynatec..
2 new coils..eliminated factory wiring to coils..made a new temporary harness..fuses are good ..all holding 12.4 volts during cranking ..hot wired dynatec poss straight to battery ..no difference ..checked valve lash last year ..don't remember specs..was within spec..compression between 110-140..
 
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