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Difficulty starting when cold

  • Thread starter Thread starter doconabike
  • Start date Start date
D

doconabike

Guest
So recently I've noticed that the bike is getting REAL hard to start in the mornings. I did a search on the topic, and found out more often then not the problem is related to tight valves - I'm betting mine is the same but just want to run it by the local experts.

I've had the bike for about 8 months now, when I first got it cleaned the carbs, changeded oil, checked air filter, etc. It ran great, ran it all through winter and even when the weather was 35 it would still start (it gets cold in NY!). It never sat for more then a week without being started and run so I don't think things have gummed up again in the carbs.

Recently I noticed that its getting harder and harder to start in the mornings, which is surprising because its getting nice and warm outside. I start it full choke no throttle, and it would stutter for a bit, then it seemed like it would catch and fire up. Now, if I push the starter it coughs a few times but won't catch. It'll cough a few times, then nothing. I can push the starter all day and it won't cough or anything. Something else I've noticed is lets say I start the bike, its warming up and then if I close choke prematurely the engine dies (which is probably normal). But it will NOT start up again (this was even when the bike was running well). I push the starter it turns fine but no love in catching anything.

To start it now, I have to push start the bike, and now even that is getting kind of hard (ie I have to really be moving, otherwise it just locks up and doesn't start). If the bike is warm (ie ridden within the last hour) it starts up right away (although if I let it die it won't startup again).

I've put maybe 2100 miles on the bike since I bought it last Sept - I'm just confused why this would be getting worst and worst. I appreciate any advice you guys can give me. The bike is an 82 gs650g, with a total of 8500 miles on it.
 
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I don’t know if this is the problem or not but why people think valve adjustments are optional is beyond me.
 
Its definitely something I plan on doing - problem is a little swamped with work till June, I was hoping their would be a simpler fix. Regardless, I want this bike to last so it'll be done.

I skimmed through the guide that basscliff created (I have an 8 valve correct?). I'd like to order the parts I need (minus the shims obviously) before I start - other then a valve cover gasket is their anything I need?

Edit - actually I'd need a set of feeler gauges right? I can used the zip-tie method as opposed to the special tool.
 
There is no doubt that your valves do need adjusting as its unlikely (with the low mileage) that they were done before. In addition to this, however I would be suspect of the battery and wiring as I'll bet your coils are not getting enough juice. Old wires and corroded connections are the bane of old bikes causing resistance and lower voltage flow. In addition if the charging system is weak and the battery older or under serviced it will compound the issue.

I would definitely start by checking the charging, cleaning and or replacing all the connectors and getting a load test done on the battery ( local auto parts store should be able to do this). Once this is all done I'd also recommend the coil relay modification to ensure full volts get to your sparkers (coils).Check it out on Mr. BikeCliff's excellent repository of sage GS knowledge for the how too. Easy and very worthwhile modification.

There is no way you should be reduced to bump starting that bike. Attend to the maintenance and that will be a thing of the past my friend.

Let us know of what you find and good luck with it.

Cheers,
Spyug
 
Hi,

The maintenance lists in your "mega-welcome" will lead you down the path of GS nirvana. If you can't find a "mega-welcome", then just click the link to my website in my sig and visit the READ ME page. These are great bikes, but they're old. You must take care of them. There are no short cuts on the path to GS-topia. :D


Thank you for your indulgence,

BassCliff
 
Could also be a crappy petcock. Try starting on prime a few times to see if it makes any difference. Do the valve clearances anyway.
 
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