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/cgi-bin/YaBB.pl General Category >> Rubber Side Down! >> Raptor question... /cgi-bin/YaBB.pl?num=1320277887 Message started by arteacher on 11/02/11 at 16:51:27 |
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Title: Raptor question... Post by arteacher on 11/02/11 at 16:51:27 I ran out of gas on the way home from school today, for the first time after installing the raptor, so I switched it to reserve, started it back up and it ran like sh1t and stalled out twice. Only after letting it sit for a few minutes did it run OK. Does it take that long to fill up the float bowl? The stock petcock would allow you to switch on the fly, provided you had enough strength in your fingers to turn it. |
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Title: Re: Raptor question... Post by HJH on 11/02/11 at 17:35:49 My bike quits almost immediately when it hits empty, and usually I can't get it switched to reserve in time to prevent having to pull over, or at least coast and restart, but the bike usually starts immediately after I switch to reserve, too. The stock petcock, and those on every other bike I've owned, with or without vacuum, would sputter a couple of times but allow me to switch to reserve and keep the bike running. Not the Raptor. |
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Title: Re: Raptor question... Post by kuri77 on 11/02/11 at 18:21:05 Ditto that. Happened to me yesterday. Thought there was an electrical problem it quit so fast. Coasted to the side and went to reserve and started right up. Fastest run-dry petcock out there!! |
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Title: Re: Raptor question... Post by Serowbot on 11/02/11 at 18:52:41 Nothing inherent about a Raptor, or any petcock that will make too much difference... ... after all it's only a tube in a tank... It can make more difference if you're going uphill or downhill, or turning right or left.... As far as flow goes... it's got to be faster than a vacuum petcock if anything... no vacuum mechanism to obstruct... it's a straight shot.... I think circumstance will make more difference than type of petcock... |
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Title: Re: Raptor question... Post by built2last66 on 11/02/11 at 19:05:15 Did you try popping your gas cap seal? Maybe there was a bit of a suction in the gas tank not allowing it flow through the reserve tube or whatever... I'm just taking a wild shot in the dark, since I've had problems with my gas cap seal and petcock... |
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Title: Re: Raptor question... Post by Oldfeller on 11/02/11 at 19:14:03 I've caught it on the sputters most times it is signalling "reserve" when I was rolling at some goodly speed and had a few seconds of momentum to utilize. Still, it comes back FAST in 2-3 seconds once you flip it to prime and you can keep on going. If you are in stop and go traffic and have no momentum going, I can see it stopping you since you don't have the 2-3 seconds before stopping anyway. Down is normal, aimed horizontal to the front is off, up is reserve. Memory jogger -- when you need reserve, point the lever up at the tank .... ;) |
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Title: Re: Raptor question... Post by Fish on 11/02/11 at 20:57:41 The stock petcock would give me notice (some stumbling) and give me time to switch to reserve and continue about my way. The raptor gives me far less notice (very little stumbling before cutting out) and has died on me 2 out of 3 times I've hit the reserve point. Only once was I able to make the switch and keep it running. Unlike your situation, my bike ran just like normal while on reserve with my Raptor. Didn't run like crap, didn't stall out. It should run just fine in reserve. |
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Title: Re: Raptor question... Post by prechermike on 11/03/11 at 02:59:52 I have only run ot a cople of times with my raptor. Once, I did not need to switch to reserve, I was pulling into the gas station and just coasted to the pumps. I also have a big plastic fuel filter in line, something for a car that came from Wal-Mart for a couple of dollars. It stands to reason that would take some time to fill, but not long. I don't recall any delay in being able to get going again. Somewhere there was a discussion about the filter not having to be full or not looking full or something and that is what I found. If that was a hijack, sorry about it. I don't remember any delay or difference in that time and the few other times I had to go to reserve with the stock petcock. But I try to get gas every 100 miles and really don't use reserve much. (Yes, sometimes I switch, just to keep the thing broke loose, but notice no difference in the way the bike runs.) |
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Title: Re: Raptor question... Post by Routy on 11/03/11 at 05:34:59 I don't know why there would be any difference, but this if the first bike I've had (vac op) that gives plenty of warning that res is needed. |
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Title: Re: Raptor question... Post by weracerc on 11/03/11 at 06:36:34 here is my exp for what it is worth - had to hit reserve on the stock PC once learned my lesson shut off right at 2 gal used had roughly .2 gal left in the tank........this week i knew i was going to get close to my 100 mile fill point while out on a ride so i put the raptor on reserve before i left the house so I would not have to flip the switch in mid-ride-mode......well i made it to the 101st mile without a hiccup pulled in and filled the tank...it held 2.238 gal......not sure how that was possible without it having a hiccup or flat out cutting off...... |
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Title: Re: Raptor question... Post by Bubba on 11/03/11 at 08:19:04 Hum, I can always tell when I have to switch my raptor to reserve. The bike starts to stumble, I reach down and flip to RES and keep going...no hesitation or very little anyway. When I fixed up the savage I sold to my buddy (stock petcock) I was up on the highway just cruising along and it just shut right off...no warning at all. I thought something electrical blew as I coasted to the side of the freeway. Turns out it just needed to go to reserve but boy was I worried for a couple minutes. :-[ |
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Title: Re: Raptor question... Post by RC on 11/03/11 at 08:56:17 Likewise, my bike will stumble once or twice, I reach down turn the raptor petcock to RES and keep on going, I too have a fuel filter but don't know if that has anything to do with the float bowl level. |
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Title: Re: Raptor question... Post by babyhog on 11/03/11 at 13:40:53 I think speed, or maybe more specifically, how much throttle, is a factor. Only happened to me a handful of times, but the one time I was going faster, applying more throttle, it cut out quicker. Going slower and feeding less gas, I had a little bit of notice. Makes sense to me... (I'm still a stock petcock gal) |
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Title: Re: Raptor question... Post by prechermike on 11/03/11 at 19:25:10 Everyone should turn their petcock to reserve once in a while, to keep things limbered up. But don't forget to turn it back to on. Don't ask. :( |
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Title: Re: Raptor question... Post by lukeduck on 11/03/11 at 20:20:11 Yep, run on reserve regularly, tank full with Seafoam. 15-20 miles at highway speeds. Don't let the crap collect in the bottom of the tank. |
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Title: Re: Raptor question... Post by Boofer on 11/03/11 at 21:01:19 Remember the Raptor has less reserve than the stock unit, because the tube is shorter letting you go further in the "on" position. I have found that my bike can be wiggled side to side to keep running till I get it onto "reserve". |
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Title: Re: Raptor question... Post by MrBrownTX on 11/04/11 at 15:09:05 Ah ha, interesting and significant factoid there boofer, thanks! |
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Title: Re: Raptor question... Post by Routy on 11/04/11 at 15:49:48 2D342A242534222A410 wrote:
I have to be curious, where would you rather the crud end up rather than stay in the bottom of the tank ? |
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Title: Re: Raptor question... Post by lukeduck on 11/04/11 at 16:02:35 Well maby rather than keeping it cleaned out could let it collect for a couple of years and feed it to the carb all at once when you have to go on reserve. I don't know, have only had to go on reserve one time. I normally try to clear the bottom of the tank once a month. Who knows? The Shadow??? No, wait I got one of those. Ohhh weeeel. |
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Title: Re: Raptor question... Post by arteacher on 11/05/11 at 16:05:15 584F53564E08565B494E0C0C3A0 wrote:
That was it!! That was the problem! I took her out for a spin today and it kept acting like it was out of gas. I would let it sit for a bit and off we would go- for about a quarter mile and it would quit again. Got it home and shut it off and heard a hissing sound from the cap. Took the cap apart and found the "spacer" gasket I had put under the stock gasket to stop it from leaking had shifted, blocking the vent hole in the top of the cap. I cut a 1/2" slit in the spacer gasket and tried it at 2500 rpm for a minute or two and shut it off. No hissing. :D :D |
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Title: Re: Raptor question... Post by built2last66 on 11/06/11 at 05:25:25 7A717178747B7A6061150 wrote:
That was it!! That was the problem! I took her out for a spin today and it kept acting like it was out of gas. I would let it sit for a bit and off we would go- for about a quarter mile and it would quit again. Got it home and shut it off and heard a hissing sound from the cap. Took the cap apart and found the "spacer" gasket I had put under the stock gasket to stop it from leaking had shifted, blocking the vent hole in the top of the cap. I cut a 1/2" slit in the spacer gasket and tried it at 2500 rpm for a minute or two and shut it off. No hissing. :D :D[/quote] What I did to fix this problem on my sickle was loosened those 2 screws under the gas cap REALLY LOOSE (they have lock nut washers or whatever on them anyway) and that fixed all my suction problems plus I don't have gas spewing out when I fill up. |
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Title: Re: Raptor question... Post by arteacher on 11/06/11 at 05:35:54 What I would have done in your place is put a couple of thin washers under the plastic piece so you would have the extra clearance but be able to tighten the screws. |
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Title: Re: Raptor question... Post by built2last66 on 11/06/11 at 05:40:47 747F7F767A75746E6F1B0 wrote:
That was it!! That was the problem! I took her out for a spin today and it kept acting like it was out of gas. I would let it sit for a bit and off we would go- for about a quarter mile and it would quit again. Got it home and shut it off and heard a hissing sound from the cap. Took the cap apart and found the "spacer" gasket I had put under the stock gasket to stop it from leaking had shifted, blocking the vent hole in the top of the cap. I cut a 1/2" slit in the spacer gasket and tried it at 2500 rpm for a minute or two and shut it off. No hissing. :D :D[/quote] If you get a chance, throw up a pic of exactly where that breather hole is.. I can't find it to save to my life and I still have a bit of suction but haven't been out in awhile because my muffler is off at Voodoo Vintage being welded.. not sure if that tiny bit of suction will be enough to knock me "out of gas" at around 70mph or not but I still would like to take extra measure to not have it happen :D |
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Title: Re: Raptor question... Post by built2last66 on 11/06/11 at 05:42:54 0E05050C000F0E1415610 wrote:
I have the screw just barely snug, slightly over finger tight and they aren't going anywhere since the lock washers are there... and there's a noticeable difference in suction when I take off the gas cap now, but I haven't been able to fully test it yet.. |
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Title: Re: Raptor question... Post by arteacher on 11/07/11 at 15:32:41 74637F7A62247A7765622020160 wrote:
That was it!! That was the problem! I took her out for a spin today and it kept acting like it was out of gas. I would let it sit for a bit and off we would go- for about a quarter mile and it would quit again. Got it home and shut it off and heard a hissing sound from the cap. Took the cap apart and found the "spacer" gasket I had put under the stock gasket to stop it from leaking had shifted, blocking the vent hole in the top of the cap. I cut a 1/2" slit in the spacer gasket and tried it at 2500 rpm for a minute or two and shut it off. No hissing. :D :D[/quote] If you get a chance, throw up a pic of exactly where that breather hole is.. I can't find it to save to my life and I still have a bit of suction but haven't been out in awhile because my muffler is off at Voodoo Vintage being welded.. not sure if that tiny bit of suction will be enough to knock me "out of gas" at around 70mph or not but I still would like to take extra measure to not have it happen :D[/quote] I will next time I take the cap apart. |
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