• Required reading for all forum users!!!

    Welcome!
    Register to access the full functionality of the GSResources forum. Until you register and activate your account you will not have full forum access, nor will you be able to post or reply to messages.

    A note to new registrants...
    All new forum registrations must be activated via email before you have full access to the forum.

    A Special Note about Email accounts!
    DO NOT SIGN UP USING hotmail, outlook, gmx, sbcglobal, att, bellsouth or email.com. They delete our forum signup emails.

    A note to old forum members...
    I receive numerous requests from people who can no longer log in because their accounts were deleted. As mentioned in the forum FAQ, user accounts are deleted if you haven't logged in for the past 6 months. If you can't log in, then create a new forum account. If you don't get an error message, then check your email account for an activation message. If you get a message stating that the email address is already in use, then your account still exists so follow the instructions in the forum FAQ for resetting your password.

    Have you forgotten your password or have a new email address? Then read the forum FAQ for details on how to reset it.

    Any email requests for "can't log in anymore" problems or "lost my password" problems will be deleted. Read the forum FAQ and follow the instructions there - that's what we have one for...

  • Returning Visitors

    If you are a returning visitor who never received your confirmation email, then odds are your email provider is blockinig emails from our server. The only thing that can be done to get around this is you will have to try creating another forum account using an email address from another domain.

    If you are a returning visitor to the forum and can't log in using your old forum name and password but used to be able to then chances are your account is deleted. Purges of the databases are done regularly. You will have to create a new forum account and you should be all set.

Correct float height for vm22ss

Samxboy

Forum Newbie
So what's the correct float height?. I see 26mm in the service manual and 24mm in the reference data. She's a 1978 base model with the vm22ss carbs. There's gas leaking from the overflow on 3 &4 carbs.... just a dribble but clearly not right. I had set the floats to 24mm but that's not working. Going to 26mm should lower the fuel so that's what I'm going to try but anyone want to advise their experience..... thanks
 
GS550 VM22ss is 24mm + or - 1mm.
Overflowing is more likely to be due to leaking float valves.

This is straight from the service manual. Just don't like contradictory information. Appreciate best test is to do a tube test from the drain plug but I'll try the 26mm float height setting first. All the float valves are new, which doesn't mean nowt but suggests the problem lies elsewhere.
 

Attachments

  • photo62544.png
    photo62544.png
    47.5 KB · Views: 0
Last edited:
Carb spec sheet lifted from official Suzuki site..
The VM22 specs are top of the list..
24mm float height.
New valves don't guarantee they won't leak especially if they are pattern items. [TABLE="width: 1597"]
[TR]
[TD="class: xl16"]Year[/TD]
[TD="class: xl16"]Country[/TD]
[TD="class: xl16"]Model[/TD]
[TD="class: xl16"]Carb[/TD]
[TD="class: xl16"]bore[/TD]
[TD="class: xl16"]ID[/TD]
[TD="class: xl16"]idle rpm[/TD]
[TD="class: xl16"]idle +/-[/TD]
[TD="class: xl16"]fuel level[/TD]
[TD="class: xl16"]float height[/TD]
[TD="class: xl16"]main jet[/TD]
[TD="class: xl16"]main air jet[/TD]
[TD="class: xl16"]jet needle[/TD]
[TD="class: xl16"]needle jet[/TD]
[TD="class: xl16"]pilot jet[/TD]
[TD="class: xl16"]throttle valve[/TD]
[TD="class: xl16"]bypass[/TD]
[TD="class: xl16"]pilot outlet[/TD]
[TD="class: xl16"]valve seat[/TD]
[TD="class: xl16"]starter jet[/TD]
[TD="class: xl16"]pilot screw[/TD]
[TD="class: xl16"]pilot air jet[/TD]
[TD="class: xl16"]cable play[/TD]
[/TR]
[TR]
[TD]77-79[/TD]
[TD]US[/TD]
[TD]GS550L[/TD]
[TD]VM22ss[/TD]
[TD="align: right"]22[/TD]
[TD="align: right"]47110[/TD]
[TD="align: right"]1150[/TD]
[TD] [/TD]
[TD]4.0 +/-1.0[/TD]
[TD]24 +/-1.0[/TD]
[TD="align: right"]80[/TD]
[TD] [/TD]
[TD]5dl35-3[/TD]
[TD]o-6[/TD]
[TD="align: right"]15[/TD]
[TD] [/TD]
[TD="align: right"]1[/TD]
[TD="align: right"]0.6[/TD]
[TD] [/TD]
[TD] [/TD]
[TD="align: right"]1[/TD]
[TD] [/TD]
[TD] [/TD]
[/TR]
[TR]
[TD]80-82[/TD]
[TD]US[/TD]
[TD]GS550[/TD]
[TD]BS32ss[/TD]
[TD="align: right"]32[/TD]
[TD="align: right"]47160[/TD]
[TD="align: right"]1100[/TD]
[TD] [/TD]
[TD]5.0=/-0.5[/TD]
[TD]22.4+/-1.0[/TD]
[TD="align: right"]92.5[/TD]
[TD="align: right"]1.6[/TD]
[TD]4bel2[/TD]
[TD]x-6[/TD]
[TD="align: right"]40[/TD]
[TD] [/TD]
[TD]0.9,0.7,0.7[/TD]
[TD="align: right"]0.7[/TD]
[TD="align: right"]2[/TD]
[TD="align: right"]35[/TD]
[TD="align: right"]3.5[/TD]
[TD="align: right"]150[/TD]
[TD] [/TD]
[/TR]
[TR]
[TD]80-82[/TD]
[TD]CAN[/TD]
[TD]GS550[/TD]
[TD]BS32ss[/TD]
[TD="align: right"]32[/TD]
[TD="align: right"]47170[/TD]
[TD="align: right"]1100[/TD]
[TD] [/TD]
[TD]5.0=/-0.5[/TD]
[TD]22.4+/-1.0[/TD]
[TD="align: right"]92.5[/TD]
[TD="align: right"]1.6[/TD]
[TD]5f42-3[/TD]
[TD]x-6[/TD]
[TD="align: right"]40[/TD]
[TD="align: right"]135[/TD]
[TD]1.0,0.8,0.8[/TD]
[TD="align: right"]0.7[/TD]
[TD="align: right"]2[/TD]
[TD="align: right"]35[/TD]
[TD="align: right"]3.5[/TD]
[TD="align: right"]120[/TD]
[TD] [/TD]
[/TR]
[TR]
[TD]83 - [/TD]
[TD]US[/TD]
[TD]GS750e[/TD]
[TD]BS32ss[/TD]
[TD="align: right"]32[/TD]
[TD="align: right"]31300[/TD]
[TD="align: right"]1150[/TD]
[TD] [/TD]
[TD]5.0=/-0.5[/TD]
[TD]22.4+/-1.0[/TD]
[TD="align: right"]117.5[/TD]
[TD="align: right"]1.7[/TD]
[TD]5d12[/TD]
[TD]y-6[/TD]
[TD="align: right"]37.5[/TD]
[TD] [/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]0.7[/TD]
[TD="align: right"]2[/TD]
[TD="align: right"]45[/TD]
[TD]pre-set[/TD]
[TD] [/TD]
[TD] [/TD]
[/TR]
[TR]
[TD="align: right"]85[/TD]
[TD]US[/TD]
[TD]GS700e[/TD]
[TD]BS32ss[/TD]
[TD="align: right"]32[/TD]
[TD]06A00 (06A10 CA)[/TD]
[TD="align: right"]1150[/TD]
[TD] [/TD]
[TD]5.0=/-0.5[/TD]
[TD]22.4+/-1.0[/TD]
[TD="align: right"]122.5[/TD]
[TD="align: right"]1.7[/TD]
[TD]5c-28[/TD]
[TD]y-5[/TD]
[TD="align: right"]37.5[/TD]
[TD] [/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]0.7[/TD]
[TD="align: right"]2[/TD]
[TD="align: right"]45[/TD]
[TD]pre-set[/TD]
[TD] [/TD]
[TD] [/TD]
[/TR]
[TR]
[TD="align: right"]82[/TD]
[TD]US[/TD]
[TD]GS650 GZ/GLZ[/TD]
[TD]BS32ss[/TD]
[TD="align: right"]32[/TD]
[TD="align: right"]34300[/TD]
[TD="align: right"]1100[/TD]
[TD] [/TD]
[TD]5.0=/-0.5[/TD]
[TD]22.4+/-1.0[/TD]
[TD="align: right"]110[/TD]
[TD="align: right"]2[/TD]
[TD]5c45[/TD]
[TD]y-7[/TD]
[TD="align: right"]42.5[/TD]
[TD="align: right"]135[/TD]
[TD]0.8,0.7,0.8[/TD]
[TD="align: right"]0.7[/TD]
[TD="align: right"]2[/TD]
[TD="align: right"]45[/TD]
[TD="align: right"]1.5[/TD]
[TD="align: right"]160[/TD]
[TD]0.5 - 1.0[/TD]
[/TR]
[TR]
[TD="align: right"]83[/TD]
[TD]US[/TD]
[TD]GS650GD[/TD]
[TD]BS32ss[/TD]
[TD="align: right"]32[/TD]
[TD="align: right"]34300[/TD]
[TD="align: right"]1100[/TD]
[TD] [/TD]
[TD]5.0=/-0.5[/TD]
[TD]22.4+/-1.0[/TD]
[TD="align: right"]110[/TD]
[TD="align: right"]2[/TD]
[TD]5c45[/TD]
[TD]y-7[/TD]
[TD="align: right"]42.5[/TD]
[TD="align: right"]135[/TD]
[TD]0.8,0.7,0.8[/TD]
[TD="align: right"]0.7[/TD]
[TD="align: right"]2[/TD]
[TD="align: right"]45[/TD]
[TD="align: right"]1.5[/TD]
[TD="align: right"]160[/TD]
[TD]0.5 - 1.0[/TD]
[/TR]
[TR]
[TD="align: right"]83[/TD]
[TD]US[/TD]
[TD]GS650GLD[/TD]
[TD]BS32ss[/TD]
[TD="align: right"]32[/TD]
[TD="align: right"]34390[/TD]
[TD="align: right"]1100[/TD]
[TD] [/TD]
[TD]5.0=/-0.5[/TD]
[TD]22.4+/-1.0[/TD]
[TD="align: right"]107.5[/TD]
[TD="align: right"]1.2[/TD]
[TD]5d59-3[/TD]
[TD]x-2[/TD]
[TD="align: right"]47.5[/TD]
[TD="align: right"]135[/TD]
[TD]0.8,0.8,0.8[/TD]
[TD="align: right"]1[/TD]
[TD="align: right"]2[/TD]
[TD="align: right"]32.5[/TD]
[TD="align: right"]2.5[/TD]
[TD="align: right"]160[/TD]
[TD]0.5 - 1.0[/TD]
[/TR]
[TR]
[TD="align: right"]83[/TD]
[TD]US[/TD]
[TD]GS650 MD[/TD]
[TD]BS32ss[/TD]
[TD="align: right"]32[/TD]
[TD="align: right"]34390[/TD]
[TD="align: right"]1100[/TD]
[TD] [/TD]
[TD]5.0=/-0.5[/TD]
[TD]22.4+/-1.0[/TD]
[TD="align: right"]110[/TD]
[TD="align: right"]2[/TD]
[TD]5c45[/TD]
[TD]y-7[/TD]
[TD="align: right"]92.5[/TD]
[TD="align: right"]135[/TD]
[TD]0.8,0.7,0.8[/TD]
[TD="align: right"]0.7[/TD]
[TD="align: right"]2[/TD]
[TD="align: right"]45[/TD]
[TD="align: right"]1.5[/TD]
[TD="align: right"]160[/TD]
[TD]0.5 - 1.0[/TD]
[/TR]
[TR]
[TD="align: right"]83[/TD]
[TD]CAN[/TD]
[TD]GS1100ED[/TD]
[TD]BS34ss[/TD]
[TD="align: right"]34[/TD]
[TD="align: right"]49360[/TD]
[TD="align: right"]1050[/TD]
[TD] [/TD]
[TD]5.0=/-0.5[/TD]
[TD]22.4+/-1.0[/TD]
[TD="align: right"]112.5[/TD]
[TD="align: right"]1.2[/TD]
[TD]5d9-3[/TD]
[TD]x-2[/TD]
[TD="align: right"]47.5[/TD]
[TD] [/TD]
[TD="align: right"]0.8[/TD]
[TD="align: right"]1[/TD]
[TD="align: right"]2[/TD]
[TD="align: right"]32.5[/TD]
[TD="align: right"]2.5[/TD]
[TD="align: right"]160[/TD]
[TD]0.5 - 1.0[/TD]
[/TR]
[TR]
[TD]??[/TD]
[TD]US[/TD]
[TD]GS450ED[/TD]
[TD]BS34ss[/TD]
[TD="align: right"]34[/TD]
[TD="align: right"]44400[/TD]
[TD="align: right"]1200[/TD]
[TD="align: right"]50[/TD]
[TD]5.0=/-0.5[/TD]
[TD]23.0+/-1.0[/TD]
[TD="align: right"]120[/TD]
[TD="align: right"]0.7[/TD]
[TD]5dx87[/TD]
[TD]o-6[/TD]
[TD="align: right"]45[/TD]
[TD] [/TD]
[TD]1.0,0.8,0.9[/TD]
[TD="align: right"]0.7[/TD]
[TD="align: right"]2[/TD]
[TD="align: right"]32.5[/TD]
[TD="align: right"]2[/TD]
[TD="align: right"]135[/TD]
[TD] [/TD]
[/TR]
[TR]
[TD]??[/TD]
[TD]US[/TD]
[TD]GS450LD[/TD]
[TD]BS34ss[/TD]
[TD="align: right"]34[/TD]
[TD="align: right"]44460[/TD]
[TD="align: right"]1200[/TD]
[TD="align: right"]50[/TD]
[TD]5.0=/-0.5[/TD]
[TD]23.0+/-1.0[/TD]
[TD="align: right"]115[/TD]
[TD="align: right"]0.7[/TD]
[TD]5cdt60[/TD]
[TD]o-6[/TD]
[TD="align: right"]45[/TD]
[TD] [/TD]
[TD]1.0,0.8,0.9[/TD]
[TD="align: right"]0.7[/TD]
[TD="align: right"]2[/TD]
[TD="align: right"]32.5[/TD]
[TD="align: right"]2[/TD]
[TD="align: right"]145[/TD]
[TD] [/TD]
[/TR]
[TR]
[TD]??[/TD]
[TD]US[/TD]
[TD]GS450TXD[/TD]
[TD]BS34ss[/TD]
[TD="align: right"]34[/TD]
[TD="align: right"]44460[/TD]
[TD="align: right"]1200[/TD]
[TD="align: right"]50[/TD]
[TD]5.0=/-0.5[/TD]
[TD]23.0+/-1.0[/TD]
[TD="align: right"]115[/TD]
[TD="align: right"]0.7[/TD]
[TD]5cdt60[/TD]
[TD]o-6[/TD]
[TD="align: right"]45[/TD]
[TD] [/TD]
[TD]1.0,0.8,0.9[/TD]
[TD="align: right"]0.7[/TD]
[TD="align: right"]2[/TD]
[TD="align: right"]32.5[/TD]
[TD="align: right"]2[/TD]
[TD="align: right"]145[/TD]
[TD] [/TD]
[/TR]
[TR]
[TD]??[/TD]
[TD]US[/TD]
[TD]GS450LF[/TD]
[TD]BS34ss[/TD]
[TD="align: right"]34[/TD]
[TD="align: right"]44460[/TD]
[TD="align: right"]1200[/TD]
[TD="align: right"]100[/TD]
[TD]5.0=/-0.5[/TD]
[TD]23.0+/-1.0[/TD]
[TD="align: right"]115[/TD]
[TD="align: right"]0.7[/TD]
[TD]5cdt60[/TD]
[TD]o-6[/TD]
[TD="align: right"]45[/TD]
[TD="align: right"]95[/TD]
[TD]1.0,0.8,0.9[/TD]
[TD="align: right"]0.7[/TD]
[TD="align: right"]2[/TD]
[TD="align: right"]32.5[/TD]
[TD]pre-set[/TD]
[TD] [/TD]
[TD] [/TD]
[/TR]
[TR]
[TD]??[/TD]
[TD]US[/TD]
[TD]GS450(other)[/TD]
[TD]BS34ss[/TD]
[TD="align: right"]34[/TD]
[TD="align: right"]44110[/TD]
[TD="align: right"]1200[/TD]
[TD="align: right"]100[/TD]
[TD]6.5=/-0.5[/TD]
[TD]22.4+/-1.0[/TD]
[TD="align: right"]115[/TD]
[TD="align: right"]0.6[/TD]
[TD]4c2[/TD]
[TD]y-6[/TD]
[TD="align: right"]17.5[/TD]
[TD] [/TD]
[TD="align: right"]0.8[/TD]
[TD="align: right"]1.1[/TD]
[TD="align: right"]2[/TD]
[TD="align: right"]30[/TD]
[TD]pre-set[/TD]
[TD="align: right"]1.6[/TD]
[TD] [/TD]
[/TR]
[TR]
[TD]77 -79[/TD]
[TD]US[/TD]
[TD]GS850[/TD]
[TD]VM26ss[/TD]
[TD="align: right"]26[/TD]
[TD="align: right"]45060[/TD]
[TD="align: right"]1050[/TD]
[TD="align: right"]100[/TD]
[TD]3.0 - 5.0[/TD]
[TD]24 +/- 1.0[/TD]
[TD="align: right"]102.5[/TD]
[TD] [/TD]
[TD]5dl36-2[/TD]
[TD]o-6[/TD]
[TD="align: right"]15[/TD]
[TD] [/TD]
[TD="align: right"]0.8[/TD]
[TD="align: right"]0.6[/TD]
[TD] [/TD]
[TD] [/TD]
[TD]"5/8[/TD]
[TD="align: right"]1.2[/TD]
[TD] [/TD]
[/TR]
[TR]
[TD="align: right"]80[/TD]
[TD]US[/TD]
[TD]GS850[/TD]
[TD]BS32ss[/TD]
[TD="align: right"]32[/TD]
[TD="align: right"]45120[/TD]
[TD="align: right"]1050[/TD]
[TD="align: right"]100[/TD]
[TD]5.0=/-0.5[/TD]
[TD]22.4+/-1.0[/TD]
[TD="align: right"]115[/TD]
[TD="align: right"]1.7[/TD]
[TD]5d57-3[/TD]
[TD]x-6[/TD]
[TD="align: right"]42.5[/TD]
[TD] [/TD]
[TD]1.0,0.8,0.8[/TD]
[TD="align: right"]0.7[/TD]
[TD="align: right"]2[/TD]
[TD="align: right"]32.5[/TD]
[TD="align: right"]3.5[/TD]
[TD="align: right"]200[/TD]
[TD] [/TD]
[/TR]
[TR]
[TD="align: right"]80[/TD]
[TD]US[/TD]
[TD]GS1100LT[/TD]
[TD]BS34ss[/TD]
[TD="align: right"]34[/TD]
[TD="align: right"]49200[/TD]
[TD="align: right"]1050[/TD]
[TD="align: right"]100[/TD]
[TD]5.0=/-0.5[/TD]
[TD]22.4+/-1.0[/TD]
[TD="align: right"]107.5[/TD]
[TD="align: right"]1.2[/TD]
[TD]5d58[/TD]
[TD]x-1[/TD]
[TD="align: right"]45[/TD]
[TD] [/TD]
[TD]0.8,0.8,0.8[/TD]
[TD="align: right"]0.9[/TD]
[TD="align: right"]2[/TD]
[TD="align: right"]32.5[/TD]
[TD]pre-set[/TD]
[TD] [/TD]
[TD]0.5 - 1.0[/TD]
[/TR]
[TR]
[TD="align: right"]81[/TD]
[TD]US[/TD]
[TD]GS1100EX[/TD]
[TD]BS34ss[/TD]
[TD="align: right"]34[/TD]
[TD="align: right"]49200[/TD]
[TD="align: right"]1050[/TD]
[TD="align: right"]100[/TD]
[TD]5.0=/-0.5[/TD]
[TD]22.4+/-1.0[/TD]
[TD="align: right"]107.5[/TD]
[TD="align: right"]1.2[/TD]
[TD]5d58[/TD]
[TD]x-1[/TD]
[TD="align: right"]45[/TD]
[TD] [/TD]
[TD]0.8,0.8,0.8[/TD]
[TD="align: right"]0.9[/TD]
[TD="align: right"]2[/TD]
[TD="align: right"]32.5[/TD]
[TD]pre-set[/TD]
[TD] [/TD]
[TD]0.5 - 1.0[/TD]
[/TR]
[TR]
[TD="align: right"]82[/TD]
[TD]US[/TD]
[TD]GS1000SZ[/TD]
[TD]BS34ss[/TD]
[TD="align: right"]34[/TD]
[TD="align: right"]49300[/TD]
[TD="align: right"]1050[/TD]
[TD="align: right"]100[/TD]
[TD]5.0=/-0.5[/TD]
[TD]22.4+/-1.0[/TD]
[TD="align: right"]110[/TD]
[TD="align: right"]1.2[/TD]
[TD]5d58[/TD]
[TD]x-1[/TD]
[TD="align: right"]45[/TD]
[TD] [/TD]
[TD]0.8,0.8,0.8[/TD]
[TD="align: right"]0.9[/TD]
[TD="align: right"]2[/TD]
[TD="align: right"]32.5[/TD]
[TD]pre-set[/TD]
[TD] [/TD]
[TD]0.5 - 1.0[/TD]
[/TR]
[TR]
[TD="align: right"]82[/TD]
[TD]US[/TD]
[TD]GS1000EZ[/TD]
[TD]BS34ss[/TD]
[TD="align: right"]34[/TD]
[TD="align: right"]49220[/TD]
[TD="align: right"]1050[/TD]
[TD="align: right"]100[/TD]
[TD]5.0=/-0.5[/TD]
[TD]22.4+/-1.0[/TD]
[TD="align: right"]110[/TD]
[TD="align: right"]1.2[/TD]
[TD]5d58[/TD]
[TD]x-1[/TD]
[TD="align: right"]45[/TD]
[TD] [/TD]
[TD]0.8,0.8,0.8[/TD]
[TD="align: right"]0.9[/TD]
[TD="align: right"]2[/TD]
[TD="align: right"]32.5[/TD]
[TD]pre-set[/TD]
[TD="align: right"]170[/TD]
[TD]0.5 - 1.0[/TD]
[/TR]
[TR]
[TD="align: right"]83[/TD]
[TD]US[/TD]
[TD]GS1000SD[/TD]
[TD]BS34ss[/TD]
[TD="align: right"]34[/TD]
[TD="align: right"]49350[/TD]
[TD="align: right"]1050[/TD]
[TD="align: right"]50[/TD]
[TD]5.0=/-0.5[/TD]
[TD]22.4+/-1.0[/TD]
[TD="align: right"]112.5[/TD]
[TD="align: right"]1.2[/TD]
[TD]5d58[/TD]
[TD]x-1[/TD]
[TD="align: right"]45[/TD]
[TD] [/TD]
[TD]0.8,0.8,0.8[/TD]
[TD="align: right"]1[/TD]
[TD="align: right"]2[/TD]
[TD="align: right"]32.5[/TD]
[TD]pre-set[/TD]
[TD="align: right"]160[/TD]
[TD]0.5 - 1.0[/TD]
[/TR]
[/TABLE]
 
There is conflicting information in the factory Suzuki service manual. 26mm is called out in the carburetor service section, but 24mm in the specs table.

Float height is just an approximation anyway. The thing that matters is fuel height, as measured by the clear tube method. The manual has conflicting info on that too: 3-4mm in the carb section, and 4mm + 1mm in the specs section. Anywhere 3-5mm will be fine, though.
 
Just to confuse things a little more. there's a video of a "Suzuki gs1000EZ" on utube apparently from Germany. And it's very obviously an 8 valve motor with probably VM22's fitted. And no, I've never heard of a GS1000EZ either. Doesn't mean it didn't exist though as Suzuki were known to produce odd models for different markets.
 
Back
Top