• Hi everyone,

    As you all know, Coffee (Dean) passed away a couple of years ago. I am Dean's ex-wife's husband and happen to have spent my career in tech. Over the years, I occasionally helped Dean with various tech issues.

    When he passed, I worked with his kids to gather the necessary credentials to keep this site running. Since then (and for however long they worked with Coffee), Woodschick and Dirtdame have been maintaining the site and covering the costs. Without their hard work and financial support, CafeHusky would have been lost.

    Over the past couple of weeks, I’ve been working to migrate the site to a free cloud compute instance so that Woodschick and Dirtdame no longer have to fund it. At the same time, I’ve updated the site to a current version of XenForo (the discussion software it runs on). The previous version was outdated and no longer supported.

    Unfortunately, the new software version doesn’t support importing the old site’s styles, so for now, you’ll see the XenForo default style. This may change over time.

    Coffee didn’t document the work he did on the site, so I’ve been digging through the old setup to understand how everything was running. There may still be things I’ve missed. One known issue is that email functionality is not yet working on the new site, but I hope to resolve this over time.

    Thanks for your patience and support!

APT SmartCarb

The billet carb is larger than the Mikuni and the Keihin. Not sure how much larger than the Keihin but know a few guys with GG and KTM's bikes that have it mounted up. My understasnding from Corey with APT is the new die cast carbs will be smaller and sized to fit.
 
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LOL so that's what it looks like on the inside. My son bolted mine on so fast I didn't even get to see him connect the cable. I was reading and he was wrenching; speed install :D. Great pics Blair :applause:.
 
John and flyingBob,

Is the power and crispness increased across the entire powerband evenly? If it is a better atomization that should be true. Have you noticed any difference in fuel economy? Any difference in the amount of spooge? Should be less as the finer droplet size should increase oil burn too. I am really interested what the results are like in large elevation changes. Especially in the change of 6-7000' in one ride. If it handles that as advertised the carb is worth the investment for that alone.

I expect that I will be buying one of these as they are the kind of new, cool tech I love. Will it make me a better rider......uh.....no, but it will make me happy. :)
 

Thanks for taking the time to post the pix. Interesting design. I always thought it would be fun to design a completely externally adjustable carb. It just seems like carb tech has been pretty stagnant for the most part.
 
John and flyingBob,

Is the power and crispness increased across the entire powerband evenly? Yes If it is a better atomization that should be true. Have you noticed any difference in fuel economy? Yes Any difference in the amount of spooge? Much less. Should be less as the finer droplet size should increase oil burn too. I am really interested what the results are like in large elevation changes. Especially in the change of 6-7000' in one ride. If it handles that as advertised the carb is worth the investment for that alone.

I expect that I will be buying one of these as they are the kind of new, cool tech I love. Will it make me a better rider......uh.....no, but it will make me happy. :) My sentiments exactly!

I really am glad I made the purchase decision. The improvement is not marginal, it's extremely noticeable. So much so that any placebo effect argument goes away. Or I'm just deaf, dumb and blind. :oldman:
 
What he said! Yes Walt the power spread is everywhere. I have no spooge now. Still have a few drops that come out of the PV breather tube but it even looks different lol. I got some good answers over on the GG site but basically it's like you said, better atomization. It's funny the WB165 now spins up like it did in 125 trim as far as the RPM's build up but that's where the comparisons stop. My WB165 is now a small rocket always ready to GO! It's actually hard to put into words the difference now but you know how your WB's run...now picture/feel that with a much stronger, quicker, smoother, harder pulling engine with NO dips, delays, hesitations and add in some other good things and you can start to get the picture. I'm going to run mine another week and send it off to Kelley. If you like get him to send it to you before he sends it back to me. You are more than welcome to try it out for yourself. On the fuel mileage thing I have no clue on that but it's reported as better. One more note: my son actually liked my bike better in 125 trim because he said he likes how quick it spun up. Now he wants a WB165 with SmartCarb. Me...I'm gonna gear this rocket up from the current 50 rear :oldman:.






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Are you guys seeing any effects from weather / temp or altitude changes? I would expect the pressurized bowl would compensate for this rather well.
 
John and flyingBob,

Is the power and crispness increased across the entire powerband evenly? If it is a better atomization that should be true. Have you noticed any difference in fuel economy? Any difference in the amount of spooge? Should be less as the finer droplet size should increase oil burn too. I am really interested what the results are like in large elevation changes. Especially in the change of 6-7000' in one ride. If it handles that as advertised the carb is worth the investment for that alone.

I expect that I will be buying one of these as they are the kind of new, cool tech I love. Will it make me a better rider......uh.....no, but it will make me happy. :)

The SmartCarb has the ability to pull fuel down to less than 10 micron droplet size in a healthy engine, oil too if a premix. The high atomization potential is what is responsible for the carbs ability to increase performance, decrease fuel consumption, lower emissions, and all but eliminate spooge. The altitude correction circuit keeps all that finely atomized fuel proportionally correct to the air, regardless of elevation.

APT sponsored six racers at Pikes Peak this year; two quads, three 250cc 2T bikes, and one 530 TM 4 stroke. All of these were tuned on dyno's in Kansas City at 800' and then raced from 9000' to 14,100' elevation, combined with many days of tire testing. None of these had any carburetion corrections made to them during the three days of testing, or the race itself, which is really remarkable when you consider most racers are always tuning for an edge and the extreme elevations of Pikes Peak are giving everybody fueling fits.

At first look, these claims are almost unbelievable in that a simple carburetor could accomplish so much. But what changes your whole perception forever is when you start your engine for the first time with the SmartCarb and you immediately notice that it runs smoother, quieter and has a completely different tone (many say it smells different too). When you finally ride it you recognize without a doubt that the engine is much happier and predictable, you are much more in control, with no sudden pipe hit, no light load misfiring on decels; just smooth tractable power. A lot of users report it makes them feel like much better riders!:thinking:
 
I'm going to run mine another week and send it off to Kelley. If you like get him to send it to you before he sends it back to me. You are more than welcome to try it out for yourself.

thanks a lot John. I am riding my 125 all the time now as it is by far my favorite winter bike and will give here some good rips and then send it to Walt. Very cool of you. :thumbsup:
 
The SmartCarb has the ability to pull fuel down to less than 10 micron droplet size in a healthy engine, oil too if a premix. The high atomization potential is what is responsible for the carbs ability to increase performance, decrease fuel consumption, lower emissions, and all but eliminate spooge. The altitude correction circuit keeps all that finely atomized fuel proportionally correct to the air, regardless of elevation.

APT sponsored six racers at Pikes Peak this year; two quads, three 250cc 2T bikes, and one 530 TM 4 stroke. All of these were tuned on dyno's in Kansas City at 800' and then raced from 9000' to 14,100' elevation, combined with many days of tire testing. None of these had any carburetion corrections made to them during the three days of testing, or the race itself, which is really remarkable when you consider most racers are always tuning for an edge and the extreme elevations of Pikes Peak are giving everybody fueling fits.

At first look, these claims are almost unbelievable in that a simple carburetor could accomplish so much. But what changes your whole perception forever is when you start your engine for the first time with the SmartCarb and you immediately notice that it runs smoother, quieter and has a completely different tone (many say it smells different too). When you finally ride it you recognize without a doubt that the engine is much happier and predictable, you are much more in control, with no sudden pipe hit, no light load misfiring on decels; just smooth tractable power. A lot of users report it makes them feel like much better riders!:thinking:
Will you be making any of the Billet models in the TMXX dimensions? If not when do you expect to have the die cast models for that application done? Thanks for coming here and talking to us.
 
Will you be making any of the Billet models in the TMXX dimensions? If not when do you expect to have the die cast models for that application done? Thanks for coming here and talking to us.

...and I'm sure you like to offer us a group buy at an awesome price :>) I contacted you guys about dealer setups but you do not offer them at this time. :cheers: Oh, I mean welcome and thanks for the info. :D
 
At first look, these claims are almost unbelievable in that a simple carburetor could accomplish so much. But what changes your whole perception forever is when you start your engine for the first time with the SmartCarb and you immediately notice that it runs smoother, quieter and has a completely different tone (many say it smells different too). When you finally ride it you recognize without a doubt that the engine is much happier and predictable, you are much more in control, with no sudden pipe hit, no light load misfiring on decels; just smooth tractable power. A lot of users report it makes them feel like much better riders!:thinking:

what type of MPG increases can we expect? We are crazy about our thirsty 165cc bikes and always looking for range off road.

From the GG link...

unbelievable atomization, instant throttle response, 30%+ gains in fuel economy, 10%+ gains in HP, 8%+ gains in torque and an emissions reduction.

Really?
 
K and Walt I'm going to pull my SmartCarb off and ship it out to you on Monday. K if you will send me a PM with the address you would like it shipped to that would be great. I don't want Walt to need snow spikes for his test :lol:. I have two other bikes to ride so you guys get your selves several good rides in so you can see/feel and report your thoughts on it. I just got in from more "testing" in my woods and back pasture :D. Still :banana:.
 
what type of MPG increases can we expect? We are crazy about our thirsty 165cc bikes and always looking for range off road.

From the GG link...

unbelievable atomization, instant throttle response, 30%+ gains in fuel economy, 10%+ gains in HP, 8%+ gains in torque and an emissions reduction.

Really?

We have seen a consistent gain in fuel economy of 30% on every two stroke we have put them on.
 
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