I have a 1980 Sachs G3 with a 505/1D, 70cc airsal kit, MLM pipe and I wanted to put a VM20 on it but the MLM intake won’t fit because of the Engine mount bar.... anyone had this issue? And if so what did you do to get the intake fit?
Sachs G3 505/1D VM20 fit
Re: Sachs G3 505/1D VM20 fit
Put something inside it, give it some heat a try to bend more of an angle on it.
Re: Sachs G3 505/1D VM20 fit
^^^^
And if that doesnt work or you dont have access to a torch and vice, cut the intake in half and then use radiator hose to put it back together. It will add a little intake length but the extra flex will clear the frame. I've done it on a g3 before
Re: Sachs G3 505/1D VM20 fit
Yea I think I’m just gunna have to chop it and find someone that can weld it back together....
Re: Sachs G3 505/1D VM20 fit
my buddy ended up cutting/welding it and running it up two lower frame tubes. Looks nice.
Re: Sachs G3 505/1D VM20 fit
Any chance you could get a picture?
Re: Sachs G3 505/1D VM20 fit
personally if I were cutting and welding, I'd rather cut and weld the downtube bar. they come off quite easily and you could just put a little bend or bump there to clear the intake. Any welds in the intake, even done very cleanly are gonna create turbulence, and any cut/bends in the intake are gonna take some of the smooth transitions out.
Re: Sachs G3 505/1D VM20 fit
> Born to be WillD Wrote:
> -------------------------------------------------------
> personally if I were cutting and welding, I'd rather cut and weld the
> downtube bar. they come off quite easily and you could just put a little
> bend or bump there to clear the intake. Any welds in the intake, even
> done very cleanly are gonna create turbulence, and any cut/bends in the
> intake are gonna take some of the smooth transitions out.
So , you'd rather weaken an already questionable frame than create a bit of beneficial turbulence in the intake ? (edited)
Re: Sachs G3 505/1D VM20 fit
> Alex Moore Wrote:
> -------------------------------------------------------
> Any chance you could get a picture?
now that i look at this, he may have used a piece of handlebars for the tube. I'm not sure. He did have a world of trouble getting the intake to work though.
sorry the picture kinda sucks but that's all i got.
Re: Sachs G3 505/1D VM20 fit
> Alex Moore Wrote:
> -------------------------------------------------------
> Yea I think I’m just gunna have to chop it and find someone that can
> weld it back together....
ok questionario, did u buy the intake made for the airsal kit to vm20 ? alotta people just want to bolt and go, why would u mess with cutting welding when u PaiD excess of $100/lb...to kill the itch, id just run what ever intake that came w the kit/small carb and have mlm send u one that fits, it'll help people down the road both sides.
Re: Sachs G3 505/1D VM20 fit
It's not MLM's fault the intake doesn't fit on the frame. They built a part matched to a carb and a motor.
Unless specifically stated, there's no frame specificity with any moped part, let alone small batch stuff like MLM.
Re: Sachs G3 505/1D VM20 fit
It’s made for the kit and everything and works perfectly on every other sachs bike but G3 frames get in the way so it’s not MLMs fault.
Re: Sachs G3 505/1D VM20 fit
> P D Wrote:
> -------------------------------------------------------
> > Born to be WillD Wrote:
>
> > -------------------------------------------------------
>
> > personally if I were cutting and welding, I'd rather cut and weld the
>
> > downtube bar. they come off quite easily and you could just put a
> little
>
> > bend or bump there to clear the intake. Any welds in the intake, even
>
> > done very cleanly are gonna create turbulence, and any cut/bends in
> the
>
> > intake are gonna take some of the smooth transitions out.
>
> So , you'd rather weaken an already questionable frame than create a bit
> of beneficial turbulence in the intake ?
I appreaciate your opinion, while recognizing you're not well experienced with the sachs g3.
those down bars are near entirely useless, theyre almost exclusively an aesthetic choice and only support the front motor mount. They have no impact on the frame, and people regularly remove them entirely when running alternate swapped motors. So yea, I totally would cut out a piece of that frame.
Also you can find those pieces cheaper than the intakes
Re: Sachs G3 505/1D VM20 fit
Oooooh haha makes sense.
Re: Sachs G3 505/1D VM20 fit
> Born to be WillD Wrote:
> -------------------------------------------------------
> I appreaciate your opinion, while recognizing you're not well
> experienced with the sachs g3.
>
> those down bars are near entirely useless, theyre almost exclusively an
> aesthetic choice and only support the front motor mount. They have no
> impact on the frame, and people regularly remove them entirely when
> running alternate swapped motors. So yea, I totally would cut out a
> piece of that frame.
>
> Also you can find those pieces cheaper than the intakes
Thanks for your insight . I'm glad you explained . I'm learning new things about mopeds almost everyday . It's why I keep reading and asking questions .
Re: Sachs G3 505/1D VM20 fit
> Alex Moore Wrote:
> -------------------------------------------------------
> It’s made for the kit and everything and works perfectly on every other
> sachs bike but G3 frames get in the way so it’s not MLMs fault.
ohhh. i see. in that case id torch it till cherry hot and bend end closest to the cylinder.
Re: Sachs G3 505/1D VM20 fit
Doesn’t work, it’s cast so it won’t bend I tried that haha
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