Accelerater pump Carburetor
http://www.chinariders.net/picture.p...609535&thumb=1
Just got this today! It is a carburetor with an accelerator pump. I ordered it from aliexpress. I will be putting it on my Apollo 250 with the Zong engine. I will document it as I go and post pictures of the procedure. Sorry the picture is sideways. |
PowerZone PZ30 IRBIS TTR250 Tuning Tuned Power Jet For Keihin 30mm Carburetor + Visiable Twister + Cable + Repair Kit+grips
https://www.aliexpress.com/item/KEIH...95aed01dbcdb6f This is the description from Aliexpress. All of this for about $43. And you get to pick what color hand grips you want. |
Came straight from china.
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No pictures.:hmm: don't tease me like that. lol
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Looking for more umph when accelerating on the trails. I need the front wheel to a least make an effort to raise up when I need to go over a rock, tree, ditch etc. I thought it might be the clutch slipping but runs too well climbing. It pulled me and my wife through some stuff I had no business going through. Lol. So I am starting with the carb. Bike is stock except for 12 tooth front. |
I think that should help some. Will wait for the results.:)
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http://chinariders.net/showthread.php?t=20620 |
Something I have been curious about with those carbs, since I have considered getting one on my Hawk. Does the accel pump have any timing adjustment to it? If so, make sure to check and adjust it before running it to avoid any potential tuning headaches. You will want the spray from the pump to just clear the throttle slide as it opens. If it hits the throttle slide, it can make for some odd behavior, and if it sprays too late you can end up with a lean - very rich - normal behavior that can make for a very entertaining experience.
It's a good idea to setup and test this with the carb off the bike. I like to use mineral spirits over actual gas, but that is just personal preference. Quote:
On a standard carb like our Mikuni clones, the air rushes in, but it takes a moment for the fuel to be drawn in. On a well tuned carb, we won't really notice it as any sort of dead spot, but it does cause a minor delayed feeling in the throttle response. The Accel pump squirts a tiny bit of fuel in right when you open the throttle to help eliminate that lean spot, and it gives the engine an almost light switch feel to the throttle. Good for when you want to be able to have power right when you request it. The CRF230F 26mm Keihin carb has a rod actuated accel pump from the factory, Many dirt bikes tend to for this reason. |
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Here is the difference between a standard carb and a an accelerator pump carb.
http://www.chinariders.net/picture.p...pictureid=1311 |
Cool, have you installed it yet? I'm anxious to hear your feed back.
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The carburetor I ordered came with some kind of spring loaded choke. I assume there would be a lever mounted on the handle bar to use this. It came with the parts to change it over to a manual choke also. Here it is with the conversion done and the spring loaded parts removed.
Looks just like the original carb from this side. http://www.chinariders.net/picture.p...pictureid=1309 |
That bracket and spring are actually to allow you to run a cable choke for a handlebar choke lever if you so desired to set one up.
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