Backfiring after high speeds?
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From: Razor Buzz on 27 Oct 2009 23:54 2005 HD Sporster, Carb'd not fuel injection. I can ride around town all day with absolutely no problems. I can get on the highway, and she runs fine... until I get off. After going over 55mph and returning to low speeds, I begin to get a lot of backfires. As soon as I stop at a redlight/stopsign, the backfires continue and I can't get any acceleration over ~5mph. After turning the bike off and letting it cool down, I can start back up and ride all over again - unless I bring it back up to highway speeds. I've replaced the sparkplugs, completely changed gas, cleaned the carb (there was no debris in the bowl underneath), cleared all lines. Anybody have ideas on what could be the cause, and hopefully a solution? Thanks, Greg
From: Billy Roach on 28 Oct 2009 00:13 On Oct 27, 11:54 pm, Razor Buzz <n...(a)razorbuzz.net> wrote: > 2005 HD Sporster, Carb'd not fuel injection. > > I can ride around town all day with absolutely no problems. I can get on > the highway, and she runs fine... until I get off. After going over 55mph > and returning to low speeds, I begin to get a lot of backfires. As soon > as I stop at a redlight/stopsign, the backfires continue and I can't get > any acceleration over ~5mph. After turning the bike off and letting it > cool down, I can start back up and ride all over again - unless I bring it > back up to highway speeds. > > I've replaced the sparkplugs, completely changed gas, cleaned the carb > (there was no debris in the bowl underneath), cleared all lines. > > Anybody have ideas on what could be the cause, and hopefully a solution? > > Thanks, > Greg Do 2005s still have a VOES? Just grasping here, but I'd check that if you have one. The test procedure is in the manual. roach
From: Nasty on 28 Oct 2009 01:39 Razor Buzz wrote: > 2005 HD Sporster, Carb'd not fuel injection. > > I can ride around town all day with absolutely no problems. I can get on > the highway, and she runs fine... until I get off. After going over 55mph > and returning to low speeds, I begin to get a lot of backfires. As soon > as I stop at a redlight/stopsign, the backfires continue and I can't get > any acceleration over ~5mph. After turning the bike off and letting it > cool down, I can start back up and ride all over again - unless I bring it > back up to highway speeds. > > I've replaced the sparkplugs, completely changed gas, cleaned the carb > (there was no debris in the bowl underneath), cleared all lines. > > Anybody have ideas on what could be the cause, and hopefully a solution? > > Thanks, > Greg I had that same problem till I gave up the PBR.
From: Steve Paul on 28 Oct 2009 06:10 intake leak when hot ? google first, then buy a round and ask http://rmhfaq.com/ -- Steve Paul EKIII, BS#284 '93 FXRS-C "Mule"
From: What me worry? on 28 Oct 2009 11:05
On Wed, 28 Oct 2009 01:39:44 -0400, Nasty <nasty(a)tampabay.rr.com> backed into a tree whilst ridin inna park then wrote: >Razor Buzz wrote: >> 2005 HD Sporster, Carb'd not fuel injection. >> >> I can ride around town all day with absolutely no problems. I can get on >> the highway, and she runs fine... until I get off. After going over 55mph >> and returning to low speeds, I begin to get a lot of backfires. As soon >> as I stop at a redlight/stopsign, the backfires continue and I can't get >> any acceleration over ~5mph. After turning the bike off and letting it >> cool down, I can start back up and ride all over again - unless I bring it >> back up to highway speeds. >> >> I've replaced the sparkplugs, completely changed gas, cleaned the carb >> (there was no debris in the bowl underneath), cleared all lines. >> >> Anybody have ideas on what could be the cause, and hopefully a solution? >> >> Thanks, >> Greg Dat stuff will kill ya! danl |