Originally Posted by Nessman
'05 DR650 goes like stink, makes me do stupid things and makes commuting a joy. Street only with Shinko 705s.
I only get 30mpg and I'd like to fix that.
What I have
-Top cut out of airbox with foam filter
-What appears to be the Dynojet needle with the clip just over halfway up.
-42.5 idle, there's something before the 42.5 but I can't make out what it is.
-160 main, just 160, no other markings.
-Aftermarket longer mix screw out just over one turn.
Is that a full DJ kit or bitsa?
I know pop-a-wheelies out of corners and wannabe supermotoing don't help but they are fun....
That's the usual set up for a free flowing exhaust.
30 mpg is very bad. I would fix that now. Check your oil and make sure your not dumping fuel in the sump.
Its probably a leaking petcock or dried out o-rings on the float. Maybe a worn float needle too.
Procycle sells a refresh kit with the rubber parts.
Float height needs to be .58" and make sure its all air inside. Old floats can leak and get heavy.
I would guess its the o-rings.
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