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1983 GS750E Progress:

This is a discussion on 1983 GS750E Progress: within the Project Builds forums, part of the Caferacer.net Forums category; Originally Posted by cale32 that thing is junk said the guy who painted a cb750 and forgot all the details that make it...you know...actually perform. ...

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Thread: 1983 GS750E Progress:

  1. #31
    Senior Member Geeto67's Avatar
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    Quote Originally Posted by cale32 View Post
    that thing is junk
    said the guy who painted a cb750 and forgot all the details that make it...you know...actually perform.

    I do agree the bike is visually an eyesore, but some of the improvements like the adjustable rearsets and GS1100 swingarm are really nice.
    Ever tried. Ever failed. No matter. Try Again. Fail again. Fail better.
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  2. #32
    Senior Member Harvey's Avatar
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    Quote Originally Posted by MK3Brent View Post
    Yes, I have many years of turbo tuning and WB datalogging experience.
    The meter is pegged at cruising speeds.

    At WOT, I'm actually right where I want to be mid 12s-13.

    I just need to either play with the jet, or possibly adjust the air screws... but that will lean out my WOT range too.

    Best to start with the jet.
    Won't a rich idle do a better job of cooling the cylinders at idle which would be beneficial on an air cooled engine; especially something that may get raced a bit. I don't know much about advanced engine tuning or anything I am just thinking out loud here.

  3. #33
    Senior Member Geeto67's Avatar
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    Quote Originally Posted by Harvey View Post
    Won't a rich idle do a better job of cooling the cylinders at idle which would be beneficial on an air cooled engine
    all the way till it fouls a plug. plus transition from idle to off idle will be...ahem...less than smooth. Actually being that rich it's probably hurting more than helping - for idle I personally would like to see 14:1 but that is me and I know squat about 16 valve gs750s.
    Ever tried. Ever failed. No matter. Try Again. Fail again. Fail better.
    - Samuel Beckett
    A tool is just an opportunity with a handle
    - Kevin Kelly

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  5. #34
    Senior Member Zedx's Avatar
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    Quote Originally Posted by Geeto67 View Post
    said the guy who painted a cb750 and forgot all the details that make it...you know...actually perform.

    I do agree the bike is visually an eyesore, but some of the improvements like the adjustable rearsets and GS1100 swingarm are really nice.
    Visually an eyesore? I personally think its pretty fucking sweet!

  6. #35
    Senior Member 8ball's Avatar
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    Brent,

    the air screws should only meter the pilot circuit. Shouldn't affect the main or needle circuits.

    Geeto, a 14:1 ratio at idle might be too lean. Could result in surging during on/off throttle operation. Slightly rich at idle is better.
    I always find a soap box useful to get on my high horse.

    Quote Originally Posted by roccitycafe View Post
    .... same thing with furniture, it doesn't have to be straight or not wobble, or keep thing from rolling off it, or not collapse when sat upon, it's personal taste man... if I want a dining room set that endangers the life of my dinner party guests, then it doesn't need second hand approval

    My GS550 Build Thread

  7. #36
    Senior Member TrialsRider's Avatar
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    I'm slightly concerned about this part:



    The front wheel tends to share that same space when you hit a bump

  8. #37
    Senior Member MK3Brent's Avatar
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    Quote Originally Posted by 8ball View Post
    Brent,

    the air screws should only meter the pilot circuit. Shouldn't affect the main or needle circuits.

    Geeto, a 14:1 ratio at idle might be too lean. Could result in surging during on/off throttle operation. Slightly rich at idle is better.
    Thanks for the input! I appreciate it.

    '82 GS750E, '99 ZRX-1100
    "Tossing a few cherries on the manure wagon doesn't make it the dessert cart."

  9. #38
    Senior Member MK3Brent's Avatar
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    Quote Originally Posted by TrialsRider View Post
    I'm slightly concerned about this part:



    The front wheel tends to share that same space when you hit a bump
    Well Suzuki shouldn't have done that!

    '82 GS750E, '99 ZRX-1100
    "Tossing a few cherries on the manure wagon doesn't make it the dessert cart."

  10. #39
    Senior Member hillsy's Avatar
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    Yeah - that's gonna hit. You seem to have a spacer which is moving the line splitter closer to the fender, as well as angling the lines straight down (they should angle back).

    I'm assuming you did these mods because your lower lines are too short?

  11. #40
    Senior Member MK3Brent's Avatar
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    Quote Originally Posted by hillsy View Post
    Yeah - that's gonna hit. You seem to have a spacer which is moving the line splitter closer to the fender, as well as angling the lines straight down (they should angle back).

    I'm assuming you did these mods because your lower lines are too short?
    Yeah, just slightly.
    The pre-load on the forks make the front end pretty tight.
    I've hit some hard bumps, and haven't had an issue yet. I should replace the lines for a couple longer ones.

    '82 GS750E, '99 ZRX-1100
    "Tossing a few cherries on the manure wagon doesn't make it the dessert cart."

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