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49cc scooter revisited.

To: shop-talk@autox.team.net
Subject: 49cc scooter revisited.
From: Mark Andy <mark@sccaprepared.com>
Date: Sun, 14 Aug 2005 17:57:07 -0400 (EDT)
Howdy,

Ok, so I had a chance to play with the 49cc scooter a bit.  I was hoping 
someone here could point me in the right direction on a few things...

First, there's a sealed battery in this thing... According to the case, 
its Yueyang Battery Co. 12v, 9Ah, "6-DW-9".  Anyone know if this is a 
common battery?  An internet search for 6-dw-9 turned up zero hits and a 
search on Yueyang battery turns up mostly all chinese websites...

I need to replace the battery because it won't hold a charge.  It 
discharged to nothing over the winter, and I suspect either that killed it 
or the cheapo charger (which came with the scooter) that I used recharge 
it this spring overcharged it and killed it.  Battery power isn't strictly 
required with this I guess, but it provides an electric start which is 
nice.  I'm thinking I'll replace the battery, then rig up a connection for 
a battery tender to hopefully keep it in better condition.

On to the carb...  This carb has a barrel shaped "slide" that as you turn 
it opens up a hole, as well as raising itself on a cam, which presumably 
raises the needed.  Under all that is a block that sorta kinda looks like 
a float bowl, but perhaps is the fuel pump folks were mentioning before. 
Underneath _that_ is a prime bulb.

There's an idle speed screw that hits the throttle bracket dealy, then 
another screw on the top of "slide", then another screw on the bottom of 
the carb.  Anyone have any idea what the last two screws do?

Finally... Spark plugs.  There's an NHSP LD L6 plug in this thing.  A 
search online shows it as a popular plug in pocket bikes, but mostly want 
I want to know is if there's an equivilent plug that a hardware store will 
carry...

Thanks!

:-)

Mark






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