theo547
Scoot Enthusiast
Posts: 497
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Post by theo547 on Jun 17, 2011 9:10:49 GMT -5
This is off subject, but should there be a washer and O ring on the end of the air fuel screw on my qj-50 carb?
Edit: sorry I mean idle screw
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Post by 190mech on Jun 17, 2011 11:26:59 GMT -5
An expansion chamber works through proper angles,diameters and lengths.Both the SP3 and GP lack a rear cone(baffle cone),they rely on volume to increase performance.The GP appears to have the LV goofey foward cones(diffuser cones) which are all wrong for performance applications.If I'd have to choose between the 2 it'd be the SP3 as the angles look better.A true expansion chamber will give by far more power,but with more noise too.. :2cents:
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theo547
Scoot Enthusiast
Posts: 497
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Post by theo547 on Jun 17, 2011 11:42:41 GMT -5
Ok kinda settled on one I found that would for sure fit and work for my 70cc kit. Bought a street6 streetrace pipe. I'll let you know how it works. Price was $165 with shipping. Could have gotten a GP for $130 or and sp3 for $120
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Post by 90GTVert on Jun 17, 2011 13:48:18 GMT -5
Where can you get the GP for $130? I might buy one someday, slow or not.
Your idle screw should have a spring and a washer, but I don't think it needs an o-ring. Not 100%.
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theo547
Scoot Enthusiast
Posts: 497
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Post by theo547 on Jun 17, 2011 14:56:38 GMT -5
There was one on eBay... But after I cancled my order they didn't repost it.... It's the same pm that they are also still selling but for 130ish now.... BTW company called me after I ordered my exhaust... They are out of stock....
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Post by 190mech on Jun 17, 2011 20:40:38 GMT -5
Do you have a link to the pipe you are wanting?I'd like to look at it...
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theo547
Scoot Enthusiast
Posts: 497
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Post by theo547 on Jun 18, 2011 1:27:45 GMT -5
Just look up street6 streetrace exhaust on google...it is a 50-70cc exhaust. i guess from talking to the guy at the store that most scooter parts are in serious demand this year... it was totally unexpected so you cant find alot of parts right now.
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Post by 190mech on Jun 18, 2011 20:10:21 GMT -5
Do you mean Stage6?
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theo547
Scoot Enthusiast
Posts: 497
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Post by theo547 on Jun 19, 2011 12:45:29 GMT -5
yes sorry Mech.. and the more im looking the more it seems that they have totally stopped making stealth exhausts... so stupid!
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