chezaro Posted November 24, 2010 Report Share Posted November 24, 2010 Hi all, I've had a '99 Cota 315r for a few years now and it's served me well, but recently I've been having trouble running it. It starts up (with choke on) fairly easily, and warms up like normal on choke, but when I take it off choke it idles for about 2 minutes, then just cuts out. I can keep it running by constantly revving it, but when I go back to idle it stalls. I've tried setting the idle higher (it's about as high as it can realistically be at the moment) and no change. I've cleaned out the carb recently, and changed the spark plugs. If anyone has any advice, it would be most appreciated. Thanks Chez. Quote Link to comment Share on other sites More sharing options...
wherry Posted November 24, 2010 Report Share Posted November 24, 2010 I've cleaned out the carb recently. When you say you've cleaned it have you taken out the 2nd pilot jet down the hole that the obvious pilot jet is screwed into? There's another one down that hole that has got some tiny holes in it that block really easily - One of the little joys of the PHBH carb. Quote Link to comment Share on other sites More sharing options...
motovintage Posted November 24, 2010 Report Share Posted November 24, 2010 make sure the breather and hose for the main jet circut is clear, (the little filter that is connected to the breather hose on the carburetor)try disconnecting it and see what happens Quote Link to comment Share on other sites More sharing options...
chezaro Posted November 26, 2010 Author Report Share Posted November 26, 2010 Thanks guys, will try these out and see what happens. Quote Link to comment Share on other sites More sharing options...
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