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help w 80gs 1100

  • Thread starter Thread starter Anonymous
  • Start date Start date
A

Anonymous

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Hi new here have looked through the site many of times and think its great... I have a problem with my 1100 i cant seem to solve. the bike seems to run great fo about 20 mins then is hard starting and barly runs unless chocked any ideas????? :idea:
 
Could be the gas tank is not venting, prevent the petrol flowing. Does it go if you open the gas tank? Oterwise could be electrical. I recently had plug caps go after they warmed up a bit. Tested fine cold, but stopped working when hot. What is the behaviour before it stops?
 
well it starts to looose power like it is running on only 2 cyl after being stopped for say >5 min it goes back to normal i checked the stator from cold and tested at about 13.7 v and stayed there though the bike was ok then (not acting up).i have cleaned the carbs and put in new plugs,oil/filter, removed clean and insp clutch in great shape lots of compression on all 4 could you explain the gas tank thing in more detail i have a diaphram type of petcock??? not sure how it really works, would taping in a vale style petcock help this???
 
You sound like you may have a coil going out. What you describe is common on a coil. They heat up and fail then cool off ...then start working again until they reheat. Its a internal short.
 
yep the coil for cyl 1-4 is suspect can I use any 3 ohm coil here (just for testing)??? if so would you go stock coil or 3rd party?? last night i rode for about 5min with the mc acting up cyl 1&4 went cold so oly 2 things left the ignitor or coil I have a pair off a kawi 750 and some off a cb750 both late 70s could etheir of thes work for the short term?? thanks for the help guys I will let you know the final result shortly :D
 
hey Great the forums are back up!!! well guys I can pyt this problem to bed as the problem was my ignitor box which was component based not a intergrated circut so I found the faulty transistor and dioide replaced for under $5 cnd and problem solved I almost fell over at the cost of a new one $600 cnd thanks for the help
Rob :D
 
Dragon said:
hey Great the forums are back up!!! well guys I can pyt this problem to bed as the problem was my ignitor box which was component based not a intergrated circut so I found the faulty transistor and dioide replaced for under $5 cnd and problem solved I almost fell over at the cost of a new one $600 cnd thanks for the help
Rob :D
Click to expand...

It would be a great article if you could write on how you found the solution and what you did to correct it...(hint, hint) :D :wink:

Hap
 
well being a electronics guy I looked at the board and realized that it was just a couple of rectifying stages with a power transistor on the output 1 for coil 1 and one for coil 2 fliped transistors problem still exsisted so back to next stage on the board found a bad dioide replaced same problem turned out repair was a matter of a resolder of all the joints on the board and walla 1 week of trouble free riding yahoo!!!! my first 1100 what a difference from the 750 cant wait to get to the Nelson area to really see how she corners hope this helps 8)
 
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