1986 Iowa spree

Phillip Gonsher · Post by **Phillip Gonsher** » Sat Jul 07, 2007 9:38 pm

My spree only goes 15 mph? What are the settings for the carb fuel, and the air mixture screw. This moped is very sensitive, and now I cant start it. Where should I be looking?

chevyguyjay · Post by **chevyguyjay** » Sun Jul 08, 2007 1:35 am

pull your muffler off and look in the cylinder exhaust port. it might be plugged up with carbon. if the exhaust gas cant get out, defenetly aint going to have any power.

Phillip Gonsher · Post by **Phillip Gonsher** » Sun Jul 08, 2007 10:00 am

Ok will remove muffler and check. What should I set my carb at, and how much gas mixture (what setting)

chevyguyjay · Post by **chevyguyjay** » Sun Jul 08, 2007 10:22 am

on most of my sprees, ive always turned the fuel/air mixture screw all the way in, then back it out 1 and a half to almost 2. when u get your scoot goin, take it around the block a couple times then come back and shut the engine off right away. pull out your spark plug and see what color it is. black is way to rich. gray is to lean. u want a nice tan colored brown. keep us up to date.

Kenny_McCormic · Post by **Kenny_McCormic** » Sun Jul 08, 2007 12:23 pm

since its an IOWA while you have the muffler off grind out the restriction in it and throw the muffler in a campfire till its red hot take it out and let it cool slowly then blast the garden hose down there to clean out all of the carbon