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General Category >> Rubber Side Down! >> Rich, lean or just right? Plug pics
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Message started by jwenrich on 10/02/15 at 20:54:44

Title: Rich, lean or just right? Plug pics
Post by jwenrich on 10/02/15 at 20:54:44

I have a nagging suspicion I might be rich. Pulled the plug tonight. Any thoughts?

Title: Re: Rich, lean or just right? Plug pics
Post by jwenrich on 10/02/15 at 20:55:51

The other side

Title: Re: Rich, lean or just right? Plug pics
Post by Kris01 on 10/02/15 at 21:01:42

574A58534F545E553D0 wrote:

I have a nagging suspicion I might be rich.

Wish I had that problem! Must be nice! ;D

Title: Re: Rich, lean or just right? Plug pics
Post by verslagen1 on 10/02/15 at 21:10:36

the ceramic is the important part.
it's white with a tinge of tan.
maybe perfect to a little lean.

gas mileage?

Title: Re: Rich, lean or just right? Plug pics
Post by Kris01 on 10/02/15 at 21:14:55

Versy, does it look a little sooty to you?

Title: Re: Rich, lean or just right? Plug pics
Post by verslagen1 on 10/02/15 at 21:37:21

526B706A2928190 wrote:

Versy, does it look a little sooty to you?

not at all

http://suzukisavage.com/cgi-bin/YaBB.pl?num=1126253987

Title: Re: Rich, lean or just right? Plug pics
Post by justin_o_guy2 on 10/02/15 at 21:51:04

It lives in a very hostile environment. Any whiter, I'd say lean, but it's not sooty at all, I'd say you nailed it.
What jets? Any mods?

Title: Re: Rich, lean or just right? Plug pics
Post by jwenrich on 10/02/15 at 22:02:07

Thanks guys. I wasn't sure because a lot of the plug looked black, but the ceramic bit does look ok. Mileage is hovering close to 50, which I was just recently able to remember my last fill mileage. mods and jets in my signature.

Ive been getting an odd rattle and a lot of gurgle and a smidge of poppage, when the throttle is just open, slowing the bike.

I may have made the mistake of shaving down the tip of my needle, as well as shaving down the spacer. Gonna order a new needle and see if that helps.

Haven't been able to pinpoint the rattle. It stops when i really hold the exhaust, but I can't for the life of me see what it may be rattling against.

Title: Re: Rich, lean or just right? Plug pics
Post by justin_o_guy2 on 10/02/15 at 22:12:26

I do hope no junk fell in when the plug came out.

Title: Re: Rich, lean or just right? Plug pics
Post by chzeckmate on 10/02/15 at 23:39:08

No, not rich. Looks alright to me. As the temperature gets cooler you'll definitely want to consider going up. If you ride during fall I'd say get ready to rejet soon. Temps here are changing and I'm starting to get a slightly lean condition on certain days especially late night and early morning. I'll rejet in a two or three weeks to compensate for the climate change.

Here's a nice reference that might help someone:

http://i1297.photobucket.com/albums/ag28/justin_fisher2/plugs_zpsxuqcr7qn.jpg (http://s1297.photobucket.com/user/justin_fisher2/media/plugs_zpsxuqcr7qn.jpg.html)

Title: Re: Rich, lean or just right? Plug pics
Post by jwenrich on 10/03/15 at 08:15:46

There wasn't anything in the area to fall in, and I blew it out best I could. Huff and puff style.

Ill see what changes with a new OEM needle jet but what has me worried is I cannot choke without the bike bogging down and dying if I go even one notch out.

The majority of my riding is done at or around 70 mph, does this make a difference?

Title: Re: Rich, lean or just right? Plug pics
Post by raydawg on 10/03/15 at 08:28:12

You ride at a sustained 70 for how long?
Of course each rider has their own personal preference, but if it was me I would opt up to a bigger bike, CC wise, as my bike at that speed is not its comfort zone, nor mine ;D

I am thinking, cruising wise, a bikes optimal would be in the neighborhood of 75 - 80% of throttle, anybody offer any insight into this?

Title: Re: Rich, lean or just right? Plug pics
Post by jwenrich on 10/03/15 at 08:32:47

Once up to speed im probably holding at 50-60% throttle. It does get a bit breezy, but my 35 minute commute requires it :/

I thought about something a bit sportier, but after my head got back on straight I realized the savage is really versatile and Im not sure ill ever get rid of it. The chain mod is pretty high on my desired list.

Would sustained high speed riding affect what I should tune my bike to?

Title: Re: Rich, lean or just right? Plug pics
Post by Kris01 on 10/03/15 at 08:57:11

"Sustained high speed riding" equates to "rolling oil change". It burns a little oil at speed.

Title: Re: Rich, lean or just right? Plug pics
Post by Dave on 10/03/15 at 09:00:45

The Pilot jet you have is very big, and the Pilot jet controls the mixture at idle.....and also when you pull out the choke. It doesn't surprise me a bit that your bike can't take any choke....it is probably really rich at idle.

Once you get more than about 1/8th of the throttle open...the pilot circuit pretty much shuts down and the flow of fuel comes from the needle jet and main jet.

With the bike fully warmed up.....set the idle speed down just a little low and then adjust the idle fuel mixture screw so the bike runs the smoothest. Then shut the bike off and turn the mixture screw in until it lightly seats.....if you turned it less than 1.5 turns you should install a smaller pilot jet.

https://www.youtube.com/watch?v=zm5mB3R8Ucw

My best results come with a #50 pilot jet, #150 main and 2 washers on the needle.

Title: Re: Rich, lean or just right? Plug pics
Post by jwenrich on 10/03/15 at 09:09:42

Ill keep a close eye on my oil, thanks Kris.

50 is stock right? I have tried to lower the pilot, but it gets really pingy and sounds terrible, no matter the turns of the mixture screw. I think Im right about 1 turn out with the 55.

This is the pilot I have in: http://jetsrus.com/a_jets_by_carburetor_type/jets_mikuni_BS_30-96_pilot.htm

It has holes in the jet. Maybe ill order the 52.5 one here:

http://jetsrus.com/a_jets_by_carburetor_type/jets_mikuni_N151.067_pilot.htm

They are slightly different.

Title: Re: Rich, lean or just right? Plug pics
Post by Dave on 10/03/15 at 18:02:33

If you are ordering jets - then get the ones without the holes as that is what the bike came with.

If you find a bike shop and all they have is with the bleed holes....they really don't work any differently in the Savage carb. The bleed holes don't have any source of air or fuel in this carb.....so they don't do anything.