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Fresh rejet, won't start.
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Originally posted by burp reynolds View Post1978 GS 1000 (since new)
1979 GS 1000 (The Fridge, superbike replica project)
1978 GS 1000 (parts)
1981 GS 850 (anyone want a project?)
1981 GPZ 550 (backroad screamer)
1970 450 Mk IIID (THUMP!)
2007 DRz 400S
1999 ATK 490ES
1994 DR 350SES
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burp reynolds
Originally posted by Big T View PostListen to Keith. There are few people who know more about VM 26 set up than he does. If your guy knew what he was doing, you'd be riding now.
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Forum GuruCharter Member
GSResource Superstar
Past Site Supporter- Oct 2002
- 8858
- Angeles Forest, So.Calif./Red rocks of Southern Utah.
Originally posted by burp reynolds View PostOk, I an swallow the rest of that, but 115 mains? That caught me off guard. I was going to try a 97.5 with the stock setup, because I heard these bikes were made to run lean to meet emission standards. I think the carb guy said it came with a 95. He has to deal with a lot of carbs, though. It might be a 90. I need to look again.
Doesn't matter as to my suggestion to use 115's. What really creates the guessing here is that pods of ANY kind and a stock exhaust are a poor flow match and can make jetting difficult to get right the first try.
And from what I remember, you said you have pods, not a stock set up as you state above.
As for main jet suggestion with pods/stock exhaust, For what it's worth, consider that Dynojet recommends 7 full sizes (35) increase for K&N pods and quality exhaust. DJ's 138 main jet (supplied in their kit) is about the same as a 130 Mikuni main.
So an increase of approx' half of that (4 full sizes in this case) isn't unusual at all. In fact, it's just about a middle of the range selection. It may work, it may not. I can only guess when it comes to internet jetting.
What's important to remember after reading your posts, simple start up, idling, and a little revving of the throttle has nothing to do with the main. Your main will only effect the performance at 3/4 to full throttle. I think you have more than a too small main to worry about. I doubt the carbs have been fully set up correctly, among other things.
You have to do the basics first, then re-jet. All of my previous posts apply.And on the seventh day,after resting from all that he had done,God went for a ride on his GS!
Upon seeing that it was good, he went out again on his ZX14! But just a little bit faster!
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burp reynolds
Originally posted by mighty13d View Post...apply vacuum to the mouth of the jug by sucking on it, and... Get totally HIGH!
Incidentally, the vaccuum sucked up kind of a lot of gas, and the air in the garage was so dank, I went upstairs and told my wife there was an Aztec god in the basement. That could have been anything, though.
BTW, I went to Messalonskee. Where'd you go?
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burp reynolds
Originally posted by KEITH KRAUSE View PostLet me correct a mistake I typed. I meant to say the stock mains are 95's. I read your past posts and you stated the stock 90's were replaced with 100's, etc.....and that somehow led to the brain fade.
Doesn't matter as to my suggestion to use 115's. What really creates the guessing here is that pods of ANY kind and a stock exhaust are a poor flow match and can make jetting difficult to get right the first try.
And from what I remember, you said you have pods, not a stock set up as you state above.
As for main jet suggestion with pods/stock exhaust, For what it's worth, consider that Dynojet recommends 7 full sizes (35) increase for K&N pods and quality exhaust. DJ's 138 main jet (supplied in their kit) is about the same as a 130 Mikuni main.
So an increase of approx' half of that (4 full sizes in this case) isn't unusual at all. In fact, it's just about a middle of the range selection. It may work, it may not. I can only guess when it comes to internet jetting.
What's important to remember after reading your posts, simple start up, idling, and a little revving of the throttle has nothing to do with the main. Your main will only effect the performance at 3/4 to full throttle. I think you have more than a too small main to worry about. I doubt the carbs have been fully set up correctly, among other things.
You have to do the basics first, then re-jet. All of my previous posts apply.
Sorry about the confusion. I've been trying this and that downstairs, cranking the starter at every conceivable fuel screw position, and at one point a different thread I was following convinced me to give up on the Emgo pods and go back to the stock airbox. Since the main jet was only 2 sizes bigger, I figured I could at least get her running and maybe fine tune it to work better than before (see comment about factory leanness) But no dice. The carb guy's sending back the original mains, along with some 97.5's, so I'll try it with the 97.5's, and if that doesn't work, back to the 95's, then when I can afford a 4-1, I'll start the fiasco over again. So just one more question and I'll leave you alone. How important are the breather hoses on the tops of the carbs? I've been trying to start it without them on. Could that be the problem? I figured they were nonessential since the PO had one of them capped off, and the other two open.
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mighty13d
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burp reynolds
Originally posted by mighty13d View PostI went to Dexter... it's just North of Newport. You didn't just sell some blinkers on ebay did you? lol I got a set off from a guy who came from Maine and lives in NM now!
Man, it still smells like gas in here. I'm going to shut the vacuum off.
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Originally posted by burp reynolds View Post
So just one more question and I'll leave you alone. How important are the breather hoses on the tops of the carbs? I've been trying to start it without them on. Could that be the problem? I figured they were nonessential since the PO had one of them capped off, and the other two open.
All of your starting problems may come from the "middle" one on carb #3 (from left, sitting on bike). That's the vacuum line for the fuel tap. It needs to be either connected by hose to the outlet on the vacuum diaphram on the fuel tap (recommended) or securely capped.
With that line open, your bike may never start. Try closing the vacuum line and starting your bike.
What fuel tap is on the tank? Stock?
All this talk about main jets is irrelevant to your bike not starting. Go back and read Keith's posts. Main jets have no effect until after half throttle.
I'd advise (again) putting the stock air box back on, so you can ride it. You seem to want to keep digging yourself a deeper hole. Stop digging! There's an old saying "It is the cheapest man who spends the most"
You be hundreds of dollars ahead if you hadn't put cheap pods on and let some hack overcharge you.
You haven't mentioned if you're an experienced rider. Keep your bike stock until you can drag the foot pegs whenever you want to. Then modify.1978 GS 1000 (since new)
1979 GS 1000 (The Fridge, superbike replica project)
1978 GS 1000 (parts)
1981 GS 850 (anyone want a project?)
1981 GPZ 550 (backroad screamer)
1970 450 Mk IIID (THUMP!)
2007 DRz 400S
1999 ATK 490ES
1994 DR 350SES
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burp reynolds
Originally posted by Big T View PostTwo of those breathers (the outside ones) should have hoses on them to vent. Put them back on
All of your starting problems may come from the "middle" one on carb #3 (from left, sitting on bike). That's the vacuum line for the fuel tap. It needs to be either connected by hose to the outlet on the vacuum diaphram on the fuel tap (recommended) or securely capped.
What fuel tap is on the tank? Stock?
All this talk about main jets is irrelevant to your bike not starting. Go back and read Keith's posts. Main jets have no effect until after half throttle.
I'd advise (again) putting the stock air box back on, so you can ride it. You seem to want to keep digging yourself a deeper hole. Stop digging! There's an old saying "It is the cheapest man who spends the most"
I put the stock box back on a couple of days ago. I'm pretty sure I mentioned that a couple of times.
Yes, stock tap on nonstock tank (that was the PO, I don't want to talk about how or why he swapped the tank) Yes, I'm aware that the jetting isn't why it's not starting.
Very first time I launched a bike was a perfectly controlled wheelie. That was at least ten years ago. I'm also a professional cyclist, so I ride better than I walk. I'm not saying you're out of line questioning a stranger's riding ability, but I personally wouldn't do it.
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mighty13d
Originally posted by burp reynolds View PostI'm not saying you're out of line questioning a stranger's riding ability, but I personally wouldn't do it.
I agree that I wouldn't do that either, but it just helps them understand your knowledge about bikes. I personally am going to do minor mods to the bike even though I have only had my license for a year. It's not because I want to go out and drive like a moron, it's just because I like to have my bike go the best that it can. If I wanted to drive a billion mph I would go get a GSXR or something!
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Originally posted by burp reynolds View PostVery first time I launched a bike was a perfectly controlled wheelie. That was at least ten years ago. I'm also a professional cyclist, so I ride better than I walk. I'm not saying you're out of line questioning a stranger's riding ability, but I personally wouldn't do it.
Also 52 years riding bicycles.
I was just wondering why you're in such a hurry to modify a bike with plenty of power.1978 GS 1000 (since new)
1979 GS 1000 (The Fridge, superbike replica project)
1978 GS 1000 (parts)
1981 GS 850 (anyone want a project?)
1981 GPZ 550 (backroad screamer)
1970 450 Mk IIID (THUMP!)
2007 DRz 400S
1999 ATK 490ES
1994 DR 350SES
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Forum GuruCharter Member
GSResource Superstar
Past Site Supporter- Oct 2002
- 8858
- Angeles Forest, So.Calif./Red rocks of Southern Utah.
If you're going back to stock then use 95 mains. Run the two floatbowl vent lines under the seat and be sure of no kinks. Securely cap the vacuum port at #3 if using a non-vacuum petcock.
If you decide later to invest in a DJ kit, remember that a stage 2 kit is for K&N pods and quality pipe combo. It's not designed for pods only or pipe only. With stage 2, you will also remove those two vent lines and leave the ports open to avoid fuel starvation.And on the seventh day,after resting from all that he had done,God went for a ride on his GS!
Upon seeing that it was good, he went out again on his ZX14! But just a little bit faster!
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burp reynolds
Originally posted by KEITH KRAUSE View PostIf you're going back to stock then use 95 mains. Run the two floatbowl vent lines under the seat and be sure of no kinks. Securely cap the vacuum port at #3 if using a non-vacuum petcock.
If you decide later to invest in a DJ kit, remember that a stage 2 kit is for K&N pods and quality pipe combo. It's not designed for pods only or pipe only. With stage 2, you will also remove those two vent lines and leave the ports open to avoid fuel starvation.
I guess the DJ kit is in my future, esp since I've been forced to mess with the carbs several times already, and I pretty much know what most of the constituent parts are and what they do now. Besides, now it comes down to an issue of finishing what I started.
Since I'm getting over my phobia of 4xcarbs, I might as well go back to Maine and see if my old CB550's still sitting where I left it.
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