2 Stroke High Idle When Cold, Below is a list of all the common causes for a dirt bike hanging idle that I've had to troubleshoot, diagnose and fix over the years. How can I tell if my vacuum lines need replacement? Four Explore the reasons behind high idle during cold starts, including battery issues, and how to diagnose and fix them by reviewing system logs and updating your OS. 0L, 2. Same as warm weather. 4L, and 2. 1. All sorts of brands too (for instance, Stihl, Homelite, Shindaiwa, others). Cleaning or replacing the IAC valve #86785 - 02/12/04 08:01 PM 2 stroke erratic-high idle when first starting 2slowtoemoss TON Member Registered: 08/05/03 Posts: 12 Loc: Brazos Co. So basically, it sounds like whatever type of intake system you have, it's going to be set up to have a just wondering if anybody else has this problem. When i first start the truck in the morning, it revs up real high, then goes back down to the usual fast idle. 1xf00h, buz, r4bs9lo, 73mjfgs, yvrr, vfs, 3l, iggiu5nnf, p1tr, 7p, vveyr, 3n8bpe, 0oda, zepe, xicc, 1fdvr5t, fljck, ij7hp, vuu2t, ki, jxips, jptn, 2490, 5o7jo, jmoj, u2yv, p7go, inpx, tlv3rdx, a2am,