OzVMX Forum

Marque Remarks => Suzuki => Topic started by: LWC82PE on January 03, 2009, 10:57:47 am

Title: 79/80 RM Carburettor size
Post by: LWC82PE on January 03, 2009, 10:57:47 am

I need to know these dimensions for the following carburettors

79 RM 100 N – Mikuni VM 30 SS
80 RM 100 T – Mikuni VM 32 SS

79/80 RM 125 N/T – Mikuni VM 32 SS


A – total lenth
B – height from centre line of bore to furtherest point on base of float bowl
C – OD of where carby fits into manifold
D – OD of where carby fits into air box boot
E – total height, not including top cap.

Thankyou for the assistance

(http://img.villagephotos.com/p/2006-6/1192012/CARBY2.jpg)

Title: Re: 79/80 RM Carburettor size
Post by: lukeb1961 on January 03, 2009, 12:42:23 pm

what about the table on pp15 of the Mikuni VM manual?
Mikuni VM manual.pdf
Will that tell you what you need? (sent the PDF to you)

It's also up on my skydrive
http://cid-407d7ef0965d3991.skydrive.live.com/browse.aspx/Pure%20Enduro

Luke

Title: Re: 79/80 RM Carburettor size
Post by: LWC82PE on January 03, 2009, 12:51:12 pm

yes i have this, but this book is for aftermarket mikunis. OEM suzuki mikunis are often special size bodies to fit in certain size spaces. eg the one above is a specially built carb (dimension wise) for application in suzukis.

dimension 'B' is the criticle one. i need a 30 or 32mm roundslide carby that wont hit the cases.

maybe even 75-78 RM's?

Title: Re: 79/80 RM Carburettor size
Post by: oldfart on January 03, 2009, 08:29:57 pm

Rm 125 b =     A   112    all in mm
                    B     81
                    C     40
                    D     57
                    E   134

Title: Re: 79/80 RM Carburettor size
Post by: rocketfrog on January 03, 2009, 09:27:58 pm

I have here the carby off my young blokes RM 100 T which although has been fitted with a 125 barrel & head (fitted by previous
owner) is to the best of my knowledge the original carby. The dimensions you requested are as follows;

A=  99mm

B= 77.5mm

C= 40mm

D= 57.3mm

E= 135mm

This one has an O-Ring sealing the top cap and a 14mm plug in the bottom of the float bowl, the choke lever is the same set-up but the airbox side of the throat is smooth ie; no small raisure on the air boot mounting flange (mounting flange is 22mm FWIW) also the intake manifold side typically incorporates an indexing feature at the 12 o'clock position, all fuel inlets/drains are on the LHS. I hope this helps out. I can send pics of uninstalled carb if you require, cheers.

Title: Re: 79/80 RM Carburettor size
Post by: LWC82PE on January 06, 2009, 07:28:06 pm

thanks for that. unfortunatley both of those wouldnt be any good. i need measurement 'B' to be less than 70mm so float bowl doesnt hit cases. i might have to look at TM carbs or maybe GT/T 500 road bike carbs.

Title: Re: 79/80 RM Carburettor size
Post by: mboddy on January 06, 2009, 08:45:57 pm

Quote from: LWC3077 on January 06, 2009, 07:28:06 pm

I need measurement 'B' to be less than 70mm so float bowl doesnt hit cases.

That is pretty small. A Lectron will not fit.