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Search results

  1. I

    GS850GL plea for help - bike won't pull past 5000 rpm

    Actually what I wrote above must be wrong. If it runs better with no air filter then it can’t be because the main jets are too small. If they were too small it would get worse with no air filter. Still sounds like a main jet problem due to the problem being at higher revs under load.
  2. I

    Gs550 cv carb help please

    bit of delay in updating as I got fed up and left the bike for a few weeks. latest update: I'm not asking for advice now as bike running very well, but just updating this in case anyone stumbles across my post when faced with the same problem. The main jets were original 92.5. I had previously...
  3. I

    GS850GL plea for help - bike won't pull past 5000 rpm

    based on my experience with 2 GS550 (about 1982) bikes which had similar problems, i believe it needs larger main jets than the original old ones. petrol (gasoline) is not as potent as it was decades ago. keep the original airbox in place. Put larger main jets in. I can't be exact on what size...
  4. I

    Is there a pilot screw tool?

    I saw the Allen millyard video on making that tool and made one myself a while back. On mine I used a round piece of wood as the knob and glued it on. It is a useful tool to reach airscrews under petrol tank, BUT - if your airscrews are a bit tight then when using this tool in one direction it...
  5. I

    Gs550 cv carb help please

    Forgot to mention- I have installed new rubbers between carbs and head with new o rings. The old rubbers came detached from their metal mounting plates due to corrosion etc.
  6. I

    Gs550 cv carb help please

    First of all I am in UK so I apologise if some of my terminology is different to USA. I live roughly at sea level, not thousands of feet up in mountains. I do not have pod filters A couple of years ago I was getting my 1982 GS550EX (8 valve) with standard airbox and Motad 4 into 1 exhaust and...
  7. I

    1982 gs550ex red paint colour?

    I just found some pics of a GS650 in same colour as my GS550 (the pics of the red bike here): https://www.cyclechaos.com/wiki/Suzuki_GS650E
  8. I

    1982 gs550ex red paint colour?

    Hi, I am in UK. I have a 1982 GS550EX in Metallic Red. This is eight valve model. It is similar to the older GS550E bikes except the EX had a bit of an update with rectangular instead of circular indicators and painted metal front mudguard instead of chrome (mudguard matches tank). My front...
  9. I

    Flat spot 1982 GS550EX CV rubber diaphragm carbs

    Hi, 3.5 turns out does sound a lot compared to other bikes I have had but the haynes manual says 3.5 turns out. I read 3.5 turns out somewhere else also, but of course that could have originated back to the haynes manual. I checked the mixture screw o rings and they seem fine. Screwing them in...
  10. I

    Flat spot 1982 GS550EX CV rubber diaphragm carbs

    To add some more info - I have read this http://www.factorypro.com/tech_tuning_procedures/tuning_carbtune,CV,high_rpm_engines.html from the sticky post. I have recently put in new rubber plugs where they go over the pilot jet holes. I have checked float heights which were fine. The rubber...
  11. I

    Flat spot 1982 GS550EX CV rubber diaphragm carbs

    Hi. Bike is 1982 GS550EX with the CV rubber diaphragm carbs. I am in the United Kingdom. It is original UK supplied bike with standard jets and airbox/filter. Motad 4 into 1 exhaust which was on it when I got the bike. About 40k miles. Bought the bike in 1987. Used it for 10 years during which...
  12. I

    1982 GS550 stator problem

    An update on my stator. I decided to take a chance on a 2nd hand one on ebay which did not look black. 15 GBP (21 US Dollars) including delivery. Arrived today, fitted it, and it works. It seems to be original suzuki part from the wiring colours. Comparing this to my dead one (which is not...
  13. I

    1982 GS550 stator problem

    Re SH775 regulator. Thanks for the offer. International shipping is expensive and when stuff arrives in uk the post office send a card saying how much import duty I have to pay AND they add an additional service fee for handling the import duty. I then have to pay those before they deliver the...
  14. I

    1982 GS550 stator problem

    Thanks for the advice. I will first get a stator and check I am getting the correct ac volts from the three stator wires, once that bits sorted I can move forward with the bypass wiring and regulator/rectifier
  15. I

    1982 GS550 stator problem

    Hi Nessism, thanks for reply - so the bit about the hand control. I am aware that one of the three stator wires only connects to the regulator when the headlamp is switched on. I know some USA bikes have the headlamp fixed to on, but United Kingdom bikes had a headlamp switch on right hand...
  16. I

    1982 GS550 stator problem

    Thanks for the links. I have now realised there is a separate section for electrical, so I have moved it there. Newbie mistake by me in how the forum works.
  17. I

    1982 GS550 stator problem

    First of all. Apologies, I put this in the general discussion area but have now realised there is a section for electrical so I have re-posted it here. a) Alternator not charging. Ohms between the wires reads fine and matches the readings from my other gs550 which charges fine. Also no...
  18. I

    1982 GS550 stator problem

    Thanks, actually that was another query in my mind. Can the rectifier/regulator combined unit affect the lifespan of the stator? So in addition to the questions in my first post I welcome any comments on that.
  19. I

    1982 GS550 stator problem

    Alternator not charging. Ohms between the wires reads fine and matches the readings from my other gs550 which charges fine. Also no continuity to the stator base. Measuring the ac voltage between each two wires only gets to 6 volts at 3000rpm but on my other working bike it gets to 50 volts at...
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