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Old 05-21-2010, 07:23 PM
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nogig nogig is offline
Motorized Bicycle Elite Member
Join Date: Mar 2010
Location: south carolina
Posts: 122
Default carb float level and other carb issues

I got a replacement carb from BGF for my bike and put it on and it was only ruinning about 16 mph upon closing petcok it would increase speed to about 23 mph. took off float bowl and found float level was set verrry low so here are my questions

1. What is the proper float hieght? a recall seeing 21 mm somewhere but 21 mm measured from where?

2. why would closing the petcock improve a fuel starvation issue?

I ve built tons of carbs and such hoping the float level will cure this. also for any interested e clip is in second from top groove same as other carb was. plug is of acceptable color, fuel flow from petcock is proper. all help is appreciated
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