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2102 RSS fuel delivery issue
was riding on my spyder the other day when the engine started to miss and i had to pull to the side of the road. when i stopped it died. right after that it stared a few times running very rough and then wouldnt start at all. after towing it home i got it to start and run normally for a about 20 seconds using starter fluid but it still wont start on its own. seems like a fuel delivery issue to me but i have no experience with these machines and dont know where to start. also, i can hear the fuel pump running when i turn the key on, and it has fresh gas. any help would be appreciated
edit: 2012 rss
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Very Active Member
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Very Active Member
I’d start with replacing the two MAPS vacuum hoses if it’s never been done. Classic symptoms. Rather than go too much into it here, do a forum or google search. Plenty of pictures and DIY instructions. It’s a job you can do.
Doug
2023 RT Limited, RT 622, BUDS/BUD2 Megatech/Megatronic
”Freedom is not a loophole”
F4 Customs SWCV, Ultimate, Lidlox, Adjustable Side Vents, Leather Like Grips, SS Grills, Centramatic, Garmin XT2, BajaRon Original Sway Bar w/ Lamonster links, P238
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Very Active Member
Bummer.....
start with those two vaccum hoses. Then depending on the ryding and conditions as well as time and fuel....change the fuel filter and check the air filter and the passages to the air box. You could also add some additives to the next fuel fill up. I use seafoam but there are many out there....
Gene and Ilana De Laney
Mt. Helix, California
2012 RS sm5
2012 RS sm5 , 998cc V-Twin 106hp DIY brake and park brake Classic Black
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Very Active Member
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checked map hoses they are fine. fuel and air filter seemed fine when i took them off. bike now starts on its own but runs rough and dies at idle after 30 seconds or so. bike sat for awhile recently, though i started it a couple times during that time and it ran fine. it was on the first real ride that it died after running perfectly. bike has 400 miles. thinking maybe clogged injectors? how hard are they to get to? thoughts?
edit: bike also was and has been been running on premium with a good amount of seafoam mixed in since before it sat.
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2102 RSS fuel delivery issue (continued)
changed fuel filter and spark plugs and bike will start and idle rough but will not rev and eventually dies at idle. with airbox cover off i can hear a coughing sound caused by air (feels like exhaust) being pushed out of a tube that goes into the airbox (egr?). every time the bike coughs, with the throttle cracked to see past the throttle plates, i can see fire in the throttle body, as if something is igniting in there. maybe a timing issue? is there a variable valve timing system that fails on these bikes? all help appreciated.
Last edited by Peter Aawen; 03-09-2019 at 05:32 PM.
Reason: Merged threads
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I think you need professional help.
Too much stabilizer can cause problems just by itself.
Any bike that has only 400 miles in 6 years likely needs some SERIOUS fuel system cleaning.
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Active Member
I would start by draining the fuel tank and putting in fresh fuel from a gas station that sells lots of gas
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