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Old 04-24-2017, 06:28 PM   #1
Jrack   Jrack is offline
 
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Pod filter on stock carb Vader 125

So I got my pod filter that I ordered last month in the mail today. I've heard you shouldn't put a pod filter on the stock carb unless you re-jet the carb or not to do it at all. Or, just re-jet the carb and take the snorkel out of the air box. Well I said to hell with that. I took the air box out and flipped the carb so I could put the filter on and...there is no difference. The performance of the bike is the same, lol! The only thing I did was adjust the idle on the carb. I was surprised it runs the same as it did before, it sounds a lot better tho. Later this week I'm getting my front sprocket(16t) and will post to let you all know how it runs after. If I get to it!



Last edited by Jrack; 04-26-2017 at 02:04 PM. Reason: Adding a picture
 
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Old 04-26-2017, 07:26 AM   #2
Skin Mechanic   Skin Mechanic is offline
 
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As long as it runs, that's all that matters. A lean fuel mixture makes an engine run hotter, and can burn the valves, but what the hell. Gy6 engines are cheap, plentiful, and easy to replace
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Old 04-26-2017, 11:33 AM   #3
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You're right. I've got my mind on short-case scooter engines and CVTs I was looking at big bore kits on tbolt last week, possibly a winter project. Having a bike small enough to bring indoors and wrench on in the living room is a novelty.
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Old 04-26-2017, 01:51 PM   #4
Jrack   Jrack is offline
 
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[QUOTE=Skin Mechanic;253411]As long as it runs, that's all that matters. A lean fuel mixture makes an engine run hotter, and can burn the valves, but what the hell. Gy6 engines are cheap, plentiful, and easy to replace [/QUOTE

Actually all I did was adjust the idle, it was below 1500. About 1000-1300. Now it's around 1700. From what I've read and the videos I've seen the idle should be between 1500-2000 for these bikes. Kept the hoses connected to the bike and re-purposed some. I haven't really gotten to get out and ride. Like I said tho, so far it's running good.


 
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Old 04-26-2017, 02:02 PM   #5
Jrack   Jrack is offline
 
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I've also see a way to mod the pod filter(restricting air). I'll buy a new carb if anything, just trying different things. I am thinking about getting a mikuni carb. If I can go without getting one, then I'm not going to waste money on one.
I've also done the air box mod before I got the pod filter. The bike bogged down and barely kept running, it didn't matter what I did to the carb. So, with the air box mod, it ran way too lean. Much better with the pod. I mean, because it's running. Either way, there is a few bike shops that can help me out if I have questions.


 
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Old 04-26-2017, 03:49 PM   #6
Skin Mechanic   Skin Mechanic is offline
 
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Mine would bog down with the stock setup, but it was dumping fuel. I pulled the air intake hose and gas dripped out. I took the carb apart and made sure the float needle wasn't sticking, cleaned everything and it still flooded. Of course I was planning on replacing it with a Mikuni anyways, so no big deal.
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Old 04-26-2017, 07:46 PM   #7
wheelbender6   wheelbender6 is offline
 
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I would rather spend an hour and a couple of bucks on a richer jet than than a full weekend and a few hundred bucks on an engine change.
-You will need to pull out the stock main jet to determine the number/size before ordering new jets. That's a pain in the butt.
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Old 04-26-2017, 10:46 PM   #8
Jrack   Jrack is offline
 
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Yeah they're a pain! I'll probably end up letting my mechanic do the carb and jets when I get them. If I don't, I did keep the air box and I'll just put that back on in the meantime. I guess it depends on the bike. I've seen so many different setups on these bikes and when someone else tries that particular setup they end up having problems. I also put the 16t sprocket on today. Rides like a completely different bike. I can actually ride in 3rd gear on the back roads up to 25-30 m.p.h. Without having to go into 4th. Nice!


 
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Old 04-26-2017, 11:05 PM   #9
Jrack   Jrack is offline
 
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Quote:
Originally Posted by wheelbender6 View Post
I would rather spend an hour and a couple of bucks on a richer jet than than a full weekend and a few hundred bucks on an engine change.
-You will need to pull out the stock main jet to determine the number/size before ordering new jets. That's a pain in the butt.
There is a dude on YouTube that has a 90 jet on his stock carb with the snorkel taken out of his air box. The YouTube channel is (Miami scooter club) I've seen a comment on one of his videos. The comment said just to use a pod filter and take out the air box. I'll try anything..


 
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Old 04-27-2017, 11:15 AM   #10
Jrack   Jrack is offline
 
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I believe there are 2 hoses that go into the air box. One from the header and the other I haven't really looked at. They seem to re-circulate the air from the header back into the air box. Probably why the pod has been working fine. The other thing I did was drill out a hole before the cat on the exhaust, another reason why the bike seems to be running fine with the pod. I'm willing to bet that if I didn't drill out the hole in the pipe I'd have problems from the jump, but I'm not. Cause the cat is so damn restrictive. I looked back at another video and the stock carburetor jet is a 78. If anything I'll change it. In the same video he said to order 50cc jets because other jets wont work. I'd rather spend $7 on jets than $43 on a new carb. Or hundreds on a new motor...


 
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