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Engine warm-up

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Old Jul 23, 2011 | 11:33 AM
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Default Engine warm-up

This seems like it's getting worse...when starting the bike cold I'm having to hold the revs up for 6 -10 minutes before she'll idle without shutting off. Once warm she runs fine. This is getting to be a pain in the ****.
Thoughts? Thanks
 
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Old Jul 23, 2011 | 11:52 AM
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how about a little more info on Ur bike..
Yr, motor, FI or carbed, tuner or not, miles, U know stuff like that so we could at least know a little bit bout U issue...
 
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Old Jul 23, 2011 | 12:02 PM
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98 FLSTF Evo 1340 carb 12K

Sorry, thought it may be a generic problem that wasn't model/engine specific...my bad.
 
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Old Jul 23, 2011 | 01:27 PM
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How long have you had it, did you buy it used, was it from a dealer or a private party? Its a 98 with only 12 k on it that is good. i would say you need a tune up if you have not had one in a while. sounds like the bike did a lot of sitting.
 
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Old Jul 23, 2011 | 02:50 PM
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Originally Posted by lewintennessee
How long have you had it, did you buy it used, was it from a dealer or a private party? Its a 98 with only 12 k on it that is good. i would say you need a tune up if you have not had one in a while. sounds like the bike did a lot of sitting.
Yeah, admitedly it's been sitting more than it should. I got the bike in 2001 from a private sale and used to ride frerquently but the last few years I may take her out for a ride once every few months. I need to get this problem figured out and probably pass her on to someone has the time to enjoy her.

Someone told me today to look at the module.
 
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Old Jul 23, 2011 | 04:28 PM
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maybe your carburetor needs to be cleaned out.. or yeah, just needs a good once over on the internals..
 
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Old Jul 23, 2011 | 08:00 PM
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Originally Posted by Sgt_Jim
maybe your carburetor needs to be cleaned out.. or yeah, just needs a good once over on the internals..
+1 on what the Sargent said.
 
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Old Jul 23, 2011 | 08:52 PM
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U got to chitting us.. U got a bike that going 13yr old with 12k on her and U ride it 2-3 times a yr and its having Idle problems....

And Ur think it a pain in the A$$... Come on, she probably just needs some riding time...

Lots of us ride 10 or more a yr easy, Most of Us Northern's get 5-10k a yr and we can only ride about 5-6 months a yr.

Run some sea foam through her. tune her up, plugs, wires, to start with.
 

Last edited by oct1949; Jul 26, 2011 at 05:32 AM.
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Old Jul 24, 2011 | 02:48 PM
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Agree with the advice regarding carb cleaning. I had the same issue with a previous used bike that had been sitting a while before I bought it. The problem was that varnish had formed on the needle valves and ports from the 10% ethanol gas; the stuff starts to gunk up within two weeks if it sits. The only solution was to overhaul the carbs then run fuel stabilizer, like Stabil, in it all the time, especially if you don't ride at least once a week. This is apparently more prevalent on bikes, lawn mowers, outboards or any engine with carbs. Motors with fuel injection seem to avoid this problem because the nozzle pressure is somewhat self-cleaning. But just wait until they start forcing the 15% ethanol gas on us; then we may all have rough runners.
 
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Old Jul 25, 2011 | 11:12 PM
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Could be that the choke is malfunctioning or out of adjustment. Also, low speed jet clogged a likely candidate. Check the choke adjustment first, then get a can of carb cleaner, back out the jets and spray the chit out of it. That may do it without disassembly.
 
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