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Showing results for tags 'yics'.
Found 14 results
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I removed my Yics system months ago and capped the ports with rubber vaccuum caps that i got at an automotive store. I capped the inner Yics hoses (bolt and clamp) since i couldnt reach them and used a cap on the outer ports. Recently, i started getting the popping back and then the strong gas sme...
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I have had my 84 for just over a year now, and it's always had a slight sound that I've found annoying. I only noticed it at idle, but then I probably wouldn't notice it at an RPM or a speed much above that. I would guess it's what other members have been calling the Jetson car sound...sure seemed l... -
I've got 2 Ventures, an '83 with YICS and an '88 without YICS. Twisting the throttle wide open, the '83 accelerates briskly and without delay from a starting slow rolling speed, but the '88 seems to pause a moment before full on response, with no popping back through the intake or other indications....
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What spark plugs are the best to use in an 83. If it matters the YICS has been disabled.
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What all is involved in disabling the yics system
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I am new to these venture bikes. I used to be big into the xs bikes. Plain and simple. But these venture bikes caught my eye and decided to buy one. I keep hearing about CLASS and YICS. What is it exactly. I am trying to get the bike running tip top. So far I have taken it up the road and man does i...
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I noticed that the rubber hoses that connects the YICS to the engine are quite soft! They really flexes a lot on idle. Is it a good idea to replace then with stiffer new hoses? -
So there I was geting rid of the YICS on my 83 and then I started to think, could the lines be hooked back up together in the same way as the Jason mode or along with the jason mode to help the low end power in any way ?
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Let's see, I replaced the carb boots and o-rings, plugged the holes for the YICS, cleaned the K&N twice and oiled (one swipe accross with the spray), pulled the diaphrams (they still look new), soaked all the holes and blew them out, and synced the carbs (not that far off) and it runs like poo. Hav... -
I came across this information while looking for other stuff and I have never heard this procedure or tool mentioned in regards to carb sync. Can anyone comment on this? The later models of Yamaha (1982 & newer) use a YICS ( Yamaha Induction Control System) which is basically a vacuum balancing s...
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I've been meaning to remove the YICS chamber on my 83 before it becomes a problem. I bought some caps to plug the ports with, but got reined-in very quickly when I tried to get a good look at the inner YICS cylinder ports : the outer hoses are no issue, but I can't even see the inner ones. So my... -
Do I have to worry about the YICS when synching the carbs? I looked at the tech tip and it didn't say anything about it. On the XJ11 there is a special plug that seals it off.
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Cleaning out the garage today, took off the YICS and the plastic covers that go over the valve covers last year, just sittin' on the shelf-GOTTA GO! If anybody wants them for postage, PM me. May throw some other stuff on here if I find any. First come, first served, I'll check messages later on....
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As part of trying to get rid of the off idle skip on my 83, I removed the hoses and plugged the ports on the YICS system. The bike runs so much smoother and I can not tell any significant difference in power, so what did the YICS system actually do? I noticed on the 86 engine that the ports are not...
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