XCSP800inIA
02-02-2002, 01:35 AM
Recently added an SLP single pipe/silencer, SLP clutch kit, boost btl, boyeson reeds (stock cages), and SLP airbox mod with tubes removed. *Running 500 mains, clip in 4th, stock needles & pilot @ 0-3000' and temps from 10-30 degrees (lately need to jet for 60 to 70 degrees http://www.snowmobileworld.com/forums/iB_html/non-cgi/emoticons/mad.gif . *
Problem is high idle...4100-4200!! *Idle screw backed completely off & screws @ 1 1/2 turns out. Tried at 1/2, 1 & finally 1 1/2. *Can flip choke & bring idle down but goes back up right away. *Scared I'm on the edge of tooo lean!! *Checked plugs at WOT & they looked ok, maybe a little on the lean side but more golden than white but not sure how to fix pilot circuit. *Sled VERY strong throuout powerband, and EXCELLENT throttle response but high idle has me nervous...My CR 250 would do this if you tried to turn idle knob/enricher enuf to maintain an idle. It would "hang" when you let off gas, doing that (this should be good) ding-da ding-da ding-ding-ding sound that goes along with an over-lean circuit. *Sled does this too, though not as bad. *What do I need to do?? *Would loosening cables @ top of carbs help (but the slides appear to be completely closed already)? *If I jump up a size on my pilot won't my off-idle power suffer. *When I turned screws in to 1/2 or 1 turn there was basically no change in idle speed, but my response suffered so that's why I'm back to 1 1/2 turns out. *I'm lost!!
Problem is high idle...4100-4200!! *Idle screw backed completely off & screws @ 1 1/2 turns out. Tried at 1/2, 1 & finally 1 1/2. *Can flip choke & bring idle down but goes back up right away. *Scared I'm on the edge of tooo lean!! *Checked plugs at WOT & they looked ok, maybe a little on the lean side but more golden than white but not sure how to fix pilot circuit. *Sled VERY strong throuout powerband, and EXCELLENT throttle response but high idle has me nervous...My CR 250 would do this if you tried to turn idle knob/enricher enuf to maintain an idle. It would "hang" when you let off gas, doing that (this should be good) ding-da ding-da ding-ding-ding sound that goes along with an over-lean circuit. *Sled does this too, though not as bad. *What do I need to do?? *Would loosening cables @ top of carbs help (but the slides appear to be completely closed already)? *If I jump up a size on my pilot won't my off-idle power suffer. *When I turned screws in to 1/2 or 1 turn there was basically no change in idle speed, but my response suffered so that's why I'm back to 1 1/2 turns out. *I'm lost!!