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Message started by chuck650 on 08/29/11 at 13:11:45

Title: Help!!!
Post by chuck650 on 08/29/11 at 13:11:45

hey guys im kinda new to the suzuki world and i need a lil help.. i recently swapt a 4wheeler for a savage, its an 86, not in too bad a shape. im able to get it running but not very good at all. iv opened the exhaust up so she flows a lil better and i put bigger jets in it, but she ran the same way before i changed any thing. when i get her started up she has a hard time sitting at idle and when you rev her up she spits and back fires like shes getting way to much fuel. so i put factory jets back in her. no change. iv cleaned the carb 2 or 3 times now to make sure no dirt was in it and she is clean! im just hoping some one can point me in a direction.. i wanna ride this bike but i cant figure out whats wrong with her..

Title: Re: Help!!!
Post by Bubba on 08/29/11 at 13:27:20

chuck move this over to the rubber side down and you'll get more responses. Check the air/mix screw setting too.
Also, just for giggles put the petcock on Prime and try it. If it runs better I'd buy a raptor petcock to replace the stock vacuum one...

Title: Re: Help!!!
Post by verslagen1 on 08/29/11 at 13:31:27

Where are you located? or what altitude?
What jets did you try?
how many miles?
Opened up the exhaust... How?

Title: Re: Help!!!
Post by chuck650 on 08/29/11 at 14:44:48

im at sea level. and i tried a stage 1 jet kit. the bike has about 11k on her and basically i took the stock muffler off and replaced it with a glass pack.

Title: Re: Help!!!
Post by verslagen1 on 08/29/11 at 15:06:05

stage 1 jets for a '95 and on are probably smaller than a stock '86 jets.

Do you know the numbers are on the stage 1 jets?

Title: Re: Help!!!
Post by chuck650 on 08/29/11 at 15:49:25

the large jet was a 150 i believe and the smaller one was a 50. the kit i got was a cheap one off ebay and it had a sheet with instuctions with it and it also came with a paper that suggested a few other mods like tweeking with the idle screw by removing the plug that covers it and the white spacer mod.. have you heard of that one before??

Title: Re: Help!!!
Post by verslagen1 on 08/29/11 at 16:16:14

Well, if the guy actually knew what he was doing, he wouldn't have sold you that kit cause it's the wrong one. You got a stage 1 kit for a '95 on like I said before. The main jet in the '86 is a 155. You need a 160 or 165.

Buy the jets yourself. Get a range of 5 jets 160 thru 170. Read up on how to rejet.

Title: Re: Help!!!
Post by chuck650 on 08/29/11 at 18:26:17

you wouldnt happen to know where i could get an assortment of jets would you??

Title: Re: Help!!!
Post by Routy on 08/29/11 at 18:52:35

777C61777F222124140 wrote:

when i get her started up she has a hard time sitting at idle and when you rev her up she spits and back fires like shes getting way to much fuel. so i put factory jets back in her. no change. iv cleaned the carb 2 or 3 times

After all you've done to the carb, you think maybe the problem may have nothing to do w/ the carb ? Spittin back thru the carb ?? I think I'd be checkin the valve timing, before I did anymore hackin.

Title: Re: Help!!!
Post by chuck650 on 08/29/11 at 19:08:23

yeah she is spitting back thru the carb at times.. im still working on learing these small engines.. i appreciate all the help i can get!! ;)

Title: Re: Help!!!
Post by Boofer on 08/29/11 at 19:09:25

Take an original jet to any bike shop, not necessarily a dealer, and tell them you want one size bigger. Go to the tech section and read up on carbs before you go messing around. I agree it could be a timing problem, but it needs to be right to find out.

Title: Re: Help!!!
Post by chuck650 on 08/29/11 at 19:17:10

alright ill see if i can get to a bike shop some time this week i hope. theyre kinda few and far between in my area. when i get the new jet in and try it out ill let you know if theres any change in how she acts. thanks for all the help guys its much appreciated!!! ;)

Title: Re: Help!!!
Post by mmosel on 08/29/11 at 23:32:42

For jets, I highly recommend Nichecycle.

Check out Serowbots thread in the tech section for beginners carb tuning.

Good luck!

Title: Re: Help!!!
Post by ncron1103 on 08/29/11 at 23:38:59

where are you located at?

Title: Re: Help!!!
Post by chuck650 on 08/30/11 at 08:26:57

im on the eastern shore of Va at sea level.. theres bearly a hill here!

Title: Re: Help!!!
Post by Serowbot on 08/30/11 at 09:59:49

Chuck,.. your jetting seems lean for an 80's Savage....
... but your symptoms say rich...

So,.. before digging further into the carb,.. spend 5 minutes doing this simple test... ;)...
How to check your petcock,... (http://suzukisavage.com/cgi-bin/YaBB.pl?num=1251932429/1)