Used strato new troubles - Star Motorcycle Forums: Star Raider, V-Max, V-Star, Road-Star Forum
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post #1 of 14 (permalink) Old 06-26-2018, 04:24 PM Thread Starter
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Used strato new troubles

I have a 2006 stratoliner s with 33000 miles now new development intermittent idle surge not bad just a couple hundred rpm. Also feels like it's bogging down sometimes too but only if you hold constant steady throttle . Any thoughts would be appreciated thank you
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post #2 of 14 (permalink) Old 06-26-2018, 07:03 PM
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I'd start with the easy stuff like air filter, fuel filter, spark plugs. They probably need to be changed anyway. Maybe run some Seafoam through it.
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post #3 of 14 (permalink) Old 06-26-2018, 07:17 PM
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Seafoam!!!
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post #4 of 14 (permalink) Old 06-26-2018, 07:21 PM
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All the above, plus. Surging is hard to diagnose at times. I would start with the free stuff. A vacuum leak can cause an intake vacuum leak. The way I check, spray Carb cleaner around intake, does the RPM increase, if so you found your leak. Be careful if you use this testing method, if you were to spray on exhaust it could ignite and things will get ugly. A failing TPS sensor can also be a cause. TPS can be tested with ohm meter. Here is testing procedure.
[url=https://ibb.co/i2Vnjo]
Another simple issue could be clogged injectors, a good injector cleaner might fix that. Once you start testing things let us know the outcome. If you need the service manual here is a free link.

https://www.google.com/url?sa=t&source=web&rct=j&url=http://mazko.net/docs/bikers/XV1900-RoadlinerStratoliner06-09REPAIR-MANUAL.pdf&ved=2ahUKEwiw-oKa2PLbAhVBXawKHenyAhQQFjAAegQIAxAB&usg=AOvVaw2tBh 7CzBXoO3PnwkVxyArv
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2001 Vstar 1100 Classic (sold), Cobra Slash Cut full exhaust, Dropped 1 inch with lowering links, ORK, 4.5 inch handlebar risers, Ultimate passenger seat, Passenger pegs moved forward 4 inches, Handlebar clock, KN air filter, Viking saddlebags, Additional rear lighting
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2006 Harley Electra Glide Ultra Classic

https://sites.google.com/site/vstar1100kb/home

Last edited by lesblank; 06-26-2018 at 08:29 PM.
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post #5 of 14 (permalink) Old 06-26-2018, 08:11 PM Thread Starter
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Thanks for all the tips I will be working on it some tomorrow. I will let you know what I find. I did forget to mention that after about an hour of riding two days ago when I shut it down I noticed a gurgling sound coming from what sounded like the gas tank. It was really hot outside and bike was parked in the sun thought it could be venting but have never heard it from another FI bike. Any thoughts there?
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post #6 of 14 (permalink) Old 06-26-2018, 09:09 PM
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is it possible the fuel tank vent is plugged, and the fuel pump creates a vacuum in the tank when I is running?

I heard that can happen on some newer Ford cars. The 16 gallon tank is made of plastic, the vent closes off, and the fuel pump sucks the gas tank down to about 2 gallons of capacity (crushed). When the tank is empty you try to fill it, and it will only take 2 gallons.

If your fuel tank is not venting correctly the fuel pressure will be low on an injected engine, and it will not run right.
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post #7 of 14 (permalink) Old 06-26-2018, 09:11 PM Thread Starter
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That's a thought on the vent tube will have to check that too
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post #8 of 14 (permalink) Old 06-26-2018, 09:14 PM
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if you pull the gas cap loose, and it makes a sucking noise, or that makes the bike start to run correctly... thats it.
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post #9 of 14 (permalink) Old 06-30-2018, 06:10 PM Thread Starter
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Thought I would give y'all an update. After air filter change spark plugs and oil change bike is running much smoother and stronger. I didn't find any horrible wear to any of the plugs and the air filter wasn't bad although I did not verify plug gap on the old plugs. I did however find a boot that appeared to be misaligned between the airbox and the throttle body.repaired that and it seems to have leveled the idle out. That's what I've found so far will keep y'all updated if problem returns
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post #10 of 14 (permalink) Old 06-30-2018, 07:32 PM
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Quote:
Originally Posted by Roadwarrior12 View Post
Thought I would give y'all an update. After air filter change spark plugs and oil change bike is running much smoother and stronger. I didn't find any horrible wear to any of the plugs and the air filter wasn't bad although I did not verify plug gap on the old plugs. I did however find a boot that appeared to be misaligned between the airbox and the throttle body.repaired that and it seems to have leveled the idle out. That's what I've found so far will keep y'all updated if problem returns
Glad you figured it out. It's always nice when the easy things fix it.

2001 Vstar 1100 Classic (sold), Cobra Slash Cut full exhaust, Dropped 1 inch with lowering links, ORK, 4.5 inch handlebar risers, Ultimate passenger seat, Passenger pegs moved forward 4 inches, Handlebar clock, KN air filter, Viking saddlebags, Additional rear lighting
Loose nut "me" behind the bars
2006 Harley Electra Glide Ultra Classic

https://sites.google.com/site/vstar1100kb/home
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