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07-15-2015, 03:22 PM,
RE: Vstar 1100 runs rough when cold
I don't know that I'd call it dangerous for the engine especially if you have open pipes. Running it very rich for a long time can contribute to fouling the combustion chamber and exhaust valves and the exhaust channels in the heads. But, as long as it doesn't have factory pipes with the catalitic converters I don't think it will do much beyond that.

Running too lean, on the other hand, can cause damage...but from the looks of those plugs you are nowhere near lean. LOL

2011 V-Star 650 Custom (new in fall 2013)
V&H Cruzer Pipes, Memphis Shades Bat Wing, Floorboards, Highway Bars,
Locking Bags, Tail Rack, LED Signals & Aux Brake Lights, Headlight Modulator,
Brake Light Modulator, 5/8" Gel Pad Under Upholstery.
07-15-2015, 05:03 PM, (This post was last modified: 07-15-2015, 05:12 PM by pauli466.)
RE: Vstar 1100 runs rough when cold
do the pilot screws still have the brass caps on them, if not make sure they are 2.5- 3 turns off their seats. main jets don't affect the idle. the brass caps are about the diameter of a pencil eraser, take a look and see if the were tampered with IE not there. also you should push the choke in a little at a time as it's warming up, riding with the choke full on is never a good idea.
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