SuzukiSavage.com - lurching problem

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lurching problem
07/11/08 at 21:13:01

hey guys i have an 07 s40 and it lurches real bad at low speeds when its cold for a long time and when you wind it out ir runs just fine, ive ridden bikes all my life and this isn't normal after sitting and idleing for 5 to 10 mins it still lurches and for about 15 -20 mins of open road riding after the warm up then it still does it but not as bad :'( what can i do. the dealer said it was nothing and its just a big single and thats what they do . any help would be great thanks in advance
p.s great forum and awesome tech info you guys rule Wink

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rpgpgmr

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Re: lurching problem
Reply #1 - 07/11/08 at 21:22:06

No the Stealership was wrong. That is NOT what these bikes do. Typical excuse for when they have no idea what's going on. Where are you located ... far North? They are generally unhappy in very cold climates and you'll find several posts on that subject.

I don't live in a very cold climate, but I had a problem with the lunging too. It was due to my spark plug. They are cold-natured bikes so they do require some time to warm up, but 10 minutes should be plenty! I would check the spark plug.

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2005 Suzuki Boulevard S40
2007 Yamaha V-Star Classic

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Dj12midnit Serious Thumper Alliance Member Offline If you'r here and I'm here isn't this our time? Posts: 1036 Lynden Wa. Gender:	Re: lurching problem Reply #2 - 07/11/08 at 21:23:53 Sounds like its real lean have you tried running it with the choke out?
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wifes bike YaBB Newbies Offline SuzukiSavage.com Rocks! Posts: 10	Re: lurching problem Reply #3 - 07/11/08 at 21:26:48 live in north carolina not cold changed the plug and it is lean nee
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skrapiron -FSO

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Re: lurching problem
Reply #4 - 07/11/08 at 21:27:15

Mine did the same thing until I did the white spacer mod and then adjusted the A/F settings on the carb. Everything you ever want to know about carb tuning is located in the Technical/Reference thread. Great info!

The stealershipd isn't wrong. Bone stock, the bike is REAL cold blooded. It's running just how it was intended to run when it left the factory.

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Everything I say is fully substantiated by my own opinion.

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wifes bike YaBB Newbies Offline SuzukiSavage.com Rocks! Posts: 10	Re: lurching problem Reply #5 - 07/11/08 at 21:30:34 you mean with it all the way out or half but its warm enough here that it don't need hardly any chocking to get it running if the choke is out after it fires you have to push the choke in or it wont start
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wifes bike YaBB Newbies Offline SuzukiSavage.com Rocks! Posts: 10	Re: lurching problem Reply #6 - 07/11/08 at 21:32:18 hmm i've checked the carbs no visible adjustment other than cable and idle
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wifes bike YaBB Newbies Offline SuzukiSavage.com Rocks! Posts: 10	Re: lurching problem Reply #7 - 07/11/08 at 21:33:53 is it inside the carb or something
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Dj12midnit Serious Thumper Alliance Member Offline If you'r here and I'm here isn't this our time? Posts: 1036 Lynden Wa. Gender:	Re: lurching problem Reply #8 - 07/11/08 at 21:34:51 You will have to pull the brass plug.
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wifes bike YaBB Newbies Offline SuzukiSavage.com Rocks! Posts: 10	Re: lurching problem Reply #9 - 07/11/08 at 21:39:20 is that the little brass thing on thr left side looks like an 1/8 in across what is that adjuster called anyways and how do you get it out
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skrapiron -FSO Serious Thumper Offline Instant Human.... Just add coffee.. Posts: 1456 Pittsburgh, Pa Gender:	Re: lurching problem Reply #10 - 07/11/08 at 21:43:40 Go to the tech/reference section. They have all the answers to all of your questions AND they even have pictures for you to reference! Great stuff!
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wifes bike YaBB Newbies Offline SuzukiSavage.com Rocks! Posts: 10	Re: lurching problem Reply #11 - 07/11/08 at 22:38:15 ok i got it had to do some looking but found it any ideas on how to remove the brass plug from the pilot screw
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Dj12midnit Serious Thumper Alliance Member Offline If you'r here and I'm here isn't this our time? Posts: 1036 Lynden Wa. Gender:	Re: lurching problem Reply #12 - 07/11/08 at 22:59:15 Drill bit screw and viceGrips I think there is a write up in the tech section.
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verslagen1 YaBB Moderator ModSquad Online Where there's a will, I want to be in it. Posts: 28884 L.A. California Gender:	Re: lurching problem Reply #13 - 07/11/08 at 23:34:53 white spacer mod will fix it
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rigidchop Serious Thumper Offline don't feed the drama llama Posts: 1105 ravenswood wv Gender:	Re: lurching problem Reply #14 - 07/12/08 at 04:58:29 could also check the vent hose from the petcock to the carb make sure it has a clamp on both ends, mine did the same thing.
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