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General Category >> Rubber Side Down! >> 230 main jet?
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Message started by maxximus on 04/19/13 at 14:39:40

Title: 230 main jet?
Post by maxximus on 04/19/13 at 14:39:40

Took carb apart to install new jets cause I'm running straight pipe and found out main jet is #230 and pilot is#52.5. The new ones are main jet#155 and pilot#52.5. My question is which jet will you'll recommend better #155or#230 . Boug

Title: Re: 230 main jet?
Post by paulmarshall on 04/19/13 at 14:50:20

How did it run with the 230 setup?

Title: Re: 230 main jet?
Post by Routy on 04/19/13 at 15:11:26

727E676776726A6C1F0 wrote:

My o7 stoch has 145 main.
230 ?? Seems like it'd be smokin all the time ?? :o

Title: Re: 230 main jet?
Post by maxximus on 04/19/13 at 16:40:02

Now every time I let go the throttle on 3 4 gear it starts spurting this is with the #155 jet. And no it wasn't smoking at all with the #230. Now I'm confused. Dont know how to go about it :'(

Title: Re: 230 main jet?
Post by LANCER on 04/19/13 at 18:17:08

3F332A2A3B3F2721520 wrote:

Now every time I let go the throttle on 3 4 gear it starts spurting this is with the #155 jet. And no it wasn't smoking at all with the #230. Now I'm confused. Dont know how to go about it :'(

Is the #230 jet a "Mikuni" jet ? Or is it from a Dynojet kit ?
Dynojet has a different numbering system for their jets.

Title: Re: 230 main jet?
Post by maxximus on 04/19/13 at 18:48:15

What is the difference from a mikuni jet and a dyno jet on the #s??

Title: Re: 230 main jet?
Post by apache snow on 04/19/13 at 18:59:17

http://suzukisavage.com/cgi-bin/YaBB.pl?board=tech;action=display;num=1104263751

Title: Re: 230 main jet?
Post by maxximus on 04/20/13 at 04:54:08

Thanks for the chart!! But I didn't see #230 main jet on this chart!! Also why did my bike had that jet and the adjustment was intact? ? Was that from factory? My bike is a 97 with 12k miles. Right now is running with this set up main jet #155 and pilot jet 52.5

Title: Re: 230 main jet?
Post by apache snow on 04/20/13 at 06:58:49

Mikuni makes a 230 large round jet that will fit the BS40 carb but I don't see the bike even running with a jet that large.

http://www.jetsrus.com/a_jets_by_carburetor_type/jets_mikuni_N100-604_main_Large_round.htm

Title: Re: 230 main jet?
Post by BryanA on 05/07/14 at 21:15:36

I know this is an old thread, but I had the same situation.

http://i26.photobucket.com/albums/c117/claark/ls650/7303E5D5-DFB9-4BF1-8519-0E846EA88A0A_zps8uzmf7or.jpg

Not too sure whats up with that, but I'm planning on replacing it.

Title: Re: 230 main jet?
Post by verslagen1 on 05/07/14 at 21:47:16

dynajet?

7E6D7A7B64696F6D6639080 wrote:

DynoJet jets are marked according to the diameter of the hole in the jet.
ie: DJ150 = 1.5mm and DJ175 = 1.75mm.

This is not true for Mikuni or most other OEM equivalent jets.
This size Mikuni jet, (N102.221 Super BN), is marked according to its' flow rate.
ie: 150 = a rating of 150 cc of fuel per minute.

Title: Re: 230 main jet?
Post by BryanA on 05/07/14 at 22:50:44

23302726393432303B64550 wrote:

dynajet?

Don get me lying. That's what I get for getting my bikes off craigslist. But even if it is, a Dynojet 230 has gotta be at least like 190(something) Mikuni equivalent. WAY too big I think. Ya?

Title: Re: 230 main jet?
Post by verslagen1 on 05/07/14 at 22:56:30

ya!

Title: Re: 230 main jet?
Post by Yoshi on 05/08/14 at 03:56:38

maybe change your pilot to a 55 and leave the 155 main alone

Title: Re: 230 main jet?
Post by Bluesman on 05/08/14 at 04:29:06

That jet has a hole so big you could throw your hat into it. Jeez, And I thought I had a nasty one...with 180 as the main jet.

One question: Are you sure that your bike has the original / correct carb? That jet looks like it comes out of a snowmobile or some race engine carb. I cannot fathom how your bike could have run without drenching itself.

What kind of straight pipe are you using? Just a free-flow, no baffle thingy? What kind of air filter?

Title: Re: 230 main jet?
Post by shorty on 05/08/14 at 11:40:54

if your intake has a serious leak a large main jet might allow it to run, look for air vacuum leak, check carb diaphragm/slide

Title: Re: 230 main jet?
Post by BryanA on 05/09/14 at 12:14:58

I bought the bike with the baffle cut out of the stock pipe. Just ordered a Dyna muffler and have new jets comming this week 155.5/52.5 Running the stock airbox right now but depending on how it runs with the new jets, I may go to a K&N side mount. I want to move the battery back a bit.

I should start a build thread I suppose rather than necro this one. But when I was searching for anything on a 230 main jet, this popped up. Be on the lookout for my own build thread.

EDIT: http://suzukisavage.com/cgi-bin/YaBB.pl?num=1399663702
(build thread)