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Noob Here- Power Issues

  • Thread starter Thread starter papageorgio
  • Start date Start date
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papageorgio

Guest
Ive adopted a 79 GS1000e from my father in law and am trying to sort some things out. The bike runs, but i really need to be gentle on the throttle in order for it to rev up. Its just not snappy and idle is a little rough. I pulled all the plugs and they all have spark, but it just seems weak. All carbs seem to get plenty of fuel but its almost like you need to let off the throttle for the bike to "catch up" The carbs have never been touched and the coils are original. (This bike has been owned since new by my father in law) My father in law put in electronic ignition a few years ago and it didnt make a difference. Any ideas on what the culprit might be? I suspect coils....thoughts? Thanks so much and I'm sure I'll be a regular here! Great load of info.
 
Well carbs will need cleaning and a rebuild for sure. Start there. we have a tutorial on the main page and the keeper of knowledge (BassCliff) will be along shortly to give you all kinds of other information on how we handle old GSs and bring em back to life.

Regarding electrical, Plug caps are often a culprit in lack of / weak spark so you might start by changing them out. It is also common for the connectors in circuits to get corroded causing resistance in the circuits especially the ignition circuit. Often, coils are getting less than the 12 v they need to give you healthy spark so that is another thing to consider. Coils can go bad but it is relatively rare but there are checks you can do to rule these out. there should be information about that in your manual but if you don't have one BassCliff will give you a reference to his site containing all the manuals and all the information you will ever need to figure things out.

Welcome aboard by the by.

Cheers,
spyug.
 
Before you jump into a world of trying silver bullet fixes, you need to disassemble (completely) clean, and rebuild the carbs. These aren't like an old car. Sitting for years is the slow death. Especially if the carbs weren't stored properly (removed of all gasoline). The jets are tiny, and varnish and gunk will cause exactly what you're describing. And please follow the rebuild tutorial in the links BassCliff (who should be along shortly with your official welcome package) to the letter. If you do that, then adjust your valve clearances and a few of the other necessary maintenance items he'll give you links for, you'll be the proud new owner of a great running fantastic GS. If ya don't, you'll be pulling your hair out until you do ;)
Welcome to the board. And By the way we like pics!
 
Greetings and Salutations!!

Greetings and Salutations!!

Hi Mr. papageorgio,

Go through the maintenance lists in your "mega-welcome". If you take NO shortcuts you and your bike will be insanely happy.

Now I'm going to dump a TON of information on you and share some GS lovin'. :D

I just stopped by to welcome you to the forum in my own, special way.
big_hi.gif


If there's anything you'd like to know about the Suzuki GS model bikes, and most others actually, you've come to the right place. There's a lot of knowledge and experience here in the community. Come on in and let me say "HOoooowwwDY!"....
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Here is your very own magical, mystical, mythical, mind-expanding "mega-welcome". Please take notice of the "Top 10 Common Issues", "Top 15 Tips For GS Happiness", the Carb Cleanup Series, and the Stator Papers. All of these tasks must be addressed in order to have a safe, reliable machine. This is what NOT to do: Top 10 Newbie Mistakes. Now let me roll out the welcome mat for you...

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Please click here for your mega-welcome, chock full of tips, suggestions, links to vendors, and other information. Then feel free to visit my little BikeCliff website where I've been collecting the wisdom of this generous community. Don't forget, we like pictures! Not you, your bike! :D

Thanks for joining us. Keep us informed.

Thank you for your indulgence,

BassCliff
 
Before changing the caps, unscrew them from the wires. Cut about 1/2" of the wire off. The internal copper wire tends to corrode over time and this should get you to clean, fresh copper. Then reinstall the caps and try again.
 
thanks guys! Looks like the carbs are gonna be the first thing to get ripped out! Ive actually done a mikuni before on snowmobiles, but really just a matter of keeping a clean workspace and following directions! I actually have a spare set also in case i mess something up. Let the journey begin! I'll get some pics up soon.
 
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