Are Bing Carbs Good?

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Dan Forsh

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Just a question.

I've come across Walbro, Tillotson and Zama before, but my 038 basket case has the first Bing carb I've seen.

Are these good?

Dan
 
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Hey Dan,
The older 066 also used a Bing, and I have a bunch of new Bing carbs for that saw, so I am planning to try one on an older 066 that is in the ready to put back together stage. I don't know why Stihl quit using them, but I will ask around at work and see what anybody knows.
 
Bing!

Since all the Tillotsons seemed to have faded away, the Bing is getting to be the only gig left. Seem to run pretty well. VERY expensive parts.
Hardest part is setting the inlet lever if needed. If it is wrong with a NEW inlet needle, you need to move the inlet seat up or down by tapping it GENTLY with a punch. It makes a huge difference in how it idles and runs.
 
For what reason?

He said that so you would ask for what reason,LOLOL

Fact is Space the Bing is a very good carb. Costly but they sure tune so fine and rarely go bad. Many 20 year old 038's out there with Bing carbs that have never had a problem at all carb wise.
 
Andy is correct, the Bing models that Stihl used were reliable and good performing carburetors, and just about the easiest to rebuild also. The Bing 47 is the 038/038 Magnum carburetor and they are great in that application. The Bing 48 was the one used on early 064s. I've never seen one on an early 066 but I'm sure they were used there also.

Like Stihltech said- kits are spendy for the Bing 48- around $42.00 a pop. The 038 Bing kits are as common as a kit for any Tillotson/Walbro and can be had from the supply stores cheaply. Like Stihltech also mentioned, you have to adjust the height of the inlet needle leve by moving the needle seat, because the lever is made of plastic and cannot be manipulated.
 
The aftermarket Bing -38 diaphagm kit is the same price as any other carb - only if you NEED an inlet lever (almost never) do you need the entire kit, and that can get pricey. Oh yes, you'll need needle, but they are dirt cheap, and most have a box full of them anyhow.
 
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They might be good carbs on saws, but most of the Bing motorcycle carbs were junk. Back in the day when all the European dirt bikes came with Bings the first thing you had to do was go buy a Mikuni and replace them if you wanted your bike to run right as they were nearly impossible to jet. Dirt Bike magazine once said if you have your choice of a Bing carburetor or a brick with a hole in it to use the brick! And yes, parts are very expensive for Bing carbs. Matt
 
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