09-28-2016, 12:04 PM | #1 |
Join Date: Jun 2015
Location: Weston, CO & Sangre de Cristos
Posts: 240
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TT250 petcock blockage
No issue that can't be resolved quickly.
Last two rides on the TT, I've gotten about a mile or so away from the house and the bike sputters and dies. Crank, Crank, Crank, no start. Flip on the choke, Crank, Crank, Crank, no start. Flip to reserve, Crank, Crank, Vroom! First time I was relatively low on fuel and proceeded to the nearest gas station. Got back to the regular position on the petcock with no problems, 12 miles or so. Second time was today on the way to work with a nearly full tank, in traffic with no place to pull off. Must be something blocking the screen on the main pick up tube. When I fueled up after the first time the tank filling must have temporarily removed whatever floaty I've got in the tank. Guess I have an evening project now. Rojo
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'15 RX3 (Rojo's) '15 RX3 (marzhere's) '16 TT250 |
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09-28-2016, 12:16 PM | #2 |
Join Date: Mar 2010
Location: Volcano, Ca
Posts: 7,112
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....and like an in-tank fuel pump, it only happens after it's full.
Keep us posted.
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"Light a fire for a man, and you heat him for a day. Light a man on fire, and you heat him for the rest of his life." 2007 Suzuki DRZ400S (SM convert) 2009 Q Link XP 200 1967 BSA B25 250cc Starfire 2022 Royal Enfield Interceptor 650 2023 Royal Enfield Scram 411 1948 Royal Enfield Model G 350 |
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09-28-2016, 12:23 PM | #3 |
Join Date: Dec 2015
Location: Coastal NC
Posts: 537
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could maybe be vacuum locking the gas tank if the vent line is blocked.
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09-28-2016, 03:49 PM | #4 | |
Join Date: Jun 2015
Location: Weston, CO & Sangre de Cristos
Posts: 240
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Quote:
Rojo
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'15 RX3 (Rojo's) '15 RX3 (marzhere's) '16 TT250 |
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09-28-2016, 05:00 PM | #5 |
Join Date: Jun 2016
Location: akwesasne, NY-13655
Posts: 2,220
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I agree, Rojo. Perhaps some gork floating around in the tank is plugging the petcock sleeve filter.
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09-29-2016, 08:25 PM | #6 |
Join Date: May 2016
Location: Long Island, New York
Posts: 19
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Its funny that you posted this because i'm having the exact opposite problem since my petcock isn't closing.... found this out when I was taking the tank off and got hit with a surprise gas shower
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2016 TT250 |
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09-30-2016, 10:27 AM | #7 |
Join Date: Mar 2010
Location: Volcano, Ca
Posts: 7,112
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I wouldn't doubt there may be a gunk problem. I've had to rinse out all of my CB tanks, with the exception of Q....but if that's the case, it would probably clog reserve first unless it's floating gunk. Rojo, have you shined a flashlight down in there yet looking for "flotsam and jetsam"????
So far, so good on Mrs. 2LZ TT250. I think I'll take a look though.
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"Light a fire for a man, and you heat him for a day. Light a man on fire, and you heat him for the rest of his life." 2007 Suzuki DRZ400S (SM convert) 2009 Q Link XP 200 1967 BSA B25 250cc Starfire 2022 Royal Enfield Interceptor 650 2023 Royal Enfield Scram 411 1948 Royal Enfield Model G 350 |
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09-30-2016, 12:16 PM | #8 | |
Join Date: Jun 2016
Location: akwesasne, NY-13655
Posts: 2,220
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Quote:
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09-30-2016, 12:43 PM | #9 | |
Join Date: Jun 2015
Location: Weston, CO & Sangre de Cristos
Posts: 240
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Quote:
Rode the TT to work again today on reserve with no issues. Will be out of pocket traveling (not by motorcycle) next week so it may be a while before I can investigate and correct. Rojo
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'15 RX3 (Rojo's) '15 RX3 (marzhere's) '16 TT250 |
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10-16-2016, 08:42 PM | #10 |
Join Date: Jun 2015
Location: Weston, CO & Sangre de Cristos
Posts: 240
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A bit of an update, sort of...
Was able to finally get some time to look at the petcock. Couldn't see anything with a flashlight. Couldn't find a match or lighter Pulled the tank off and drained via the petcock on the regular position. Hmmm. If I had a blockage, shouldn't the flow be restricted? Flipped to reserve. No change in flow. Flipped back to regular and drained the remaining fuel. About 2 gallons. Pulled the bowl off the bottom of the petcock. No debris. While I had the tank off, I checked and adjusted the valves (1,500 mile estimated between kilo-miles and real miles) and bled the front brake that was getting soft. Also installed some additional lighting on the TT. Got it all put back together. Refilled with gas from a different can. Cranked it up with the petcock in the regular position, did a few laps around the neighborhood, idled for a few minutes. No issues, chocking, gagging, or stalls. So, whatever was causing the issue has been dislodged, dissolved, or otherwise disappeared. We'll see if the hiccup returns. Installed some lighting on the RX-3 as well. Rojo
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10-17-2016, 10:07 AM | #11 |
Join Date: Mar 2010
Location: Volcano, Ca
Posts: 7,112
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Man....don't you hate problems that fix themselves? ;-)
Nice lighting! Look like the same ones I have on the Rhino. Super bright.
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"Light a fire for a man, and you heat him for a day. Light a man on fire, and you heat him for the rest of his life." 2007 Suzuki DRZ400S (SM convert) 2009 Q Link XP 200 1967 BSA B25 250cc Starfire 2022 Royal Enfield Interceptor 650 2023 Royal Enfield Scram 411 1948 Royal Enfield Model G 350 |
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10-17-2016, 10:55 AM | #12 |
Join Date: Apr 2016
Location: Northeast CT
Posts: 46
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Don't worry, the problem resolved itself ONLY AFTER you put effort and time into it. Couldn't possibly have just left on it's own prior.... If it's got t*ts or tires it's going to be a problem.
Dave aka Ghan
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__________________________________________________ __________________________ Motovlog: http://youtube.com/ghaniba -- CSC RX-3, CSC TT250, BMW R12GS, R850R, XS650 |
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