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keihin 20mm for 70cc kit - ds50

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Old Aug 3, 2004 | 02:52 PM
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Default keihin 20mm for 70cc kit - ds50

I've searched, but not what I need - I see a thread to use a particular size jet for a lt80, can I assume its an 80cc?, I need info on what jets to use on a keihin 20mm carb with a 70 cc airsal kit on a bomb ds50. What came with mine and the extras they sent are much larger - a 122, has a 125 and a 128 are these to big???
I also had to adjust the float big time (new out o the box) as the gas pee'd out the overflow, runs better, but cuts out at WOT. Have the no rev control cdi, anyone been there, done that - trying to save trial and error time!!

Thanks, Jay
 
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Old Aug 3, 2004 | 09:48 PM
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Default keihin 20mm for 70cc kit - ds50

UPDATE: Runs so great, fast and smooth for about 15 seconds before it runs out of fuel - I keep messing with it and forget to turn on the fuel!
 
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Old Aug 4, 2004 | 10:05 AM
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What irritates me is!
Those 6-packs work pretty good.
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From: Oeste Del Tejas
Default keihin 20mm for 70cc kit - ds50

Sign of running rich when it improves while running out of fuel. Just order a handful, 90 up and test them.
 
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Old Aug 5, 2004 | 09:27 AM
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Default keihin 20mm for 70cc kit - ds50

I am running a 70 airsal,WRH pipe, K&N, 20mm Kein and I have a 100 for the main. Any thing bigger will sputter on top with a properly oiled air filter.
 
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Old Aug 5, 2004 | 12:45 PM
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Default keihin 20mm for 70cc kit - ds50

BE careful. The aluminum cylinders are very heat sensitive. They will fry quickly if you are lean.
 
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Old Aug 5, 2004 | 06:27 PM
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Default keihin 20mm for 70cc kit - ds50

UpDate:
All-Right! It's up and really rippin'! [img]i/expressions/face-icon-small-smile.gif[/img] #100 main and a 48 or so for the slow. Thanks guys. Gonna get it on the track next,[img]i/expressions/face-icon-small-happy.gif[/img] it's real quick, but I may need to go bigger in the rear sprocket for top speed - any opinions? (already did the clutch mods)
Jay
 
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