Now dies when shifting into 1st. V-Star & Virago These bikes have the same engine. (Air Induction System). I first started noticing some symptoms about 1 week ago. 2002 Yamaha V-Star 1100. Rode fine that day. I just bought my first cruiser 3 weeks ago and my bike just died. I am assuming that is a head gasket issue. I put in new stock coils and BPR7ES spark plugs. They should have just designed their own factory ORK and sold it on the bike. When spraying some carb cleaner to find if there was an air leak I noticed when spraying around the head to cylinder area on both heads that the idle changed. Greetings. Hello everyone, hope someone can help diagnose my problem. The Yamaha engines threw that engine into the V Star and design it as a Cruiser and when they did the front exhaust went over the oil filter. My Motorcycle: V Star 1100 Silverado / YZ-450F Re: BIG problem with Vstar 1100 missing & Popping #9 Unread post by akabullseye » Tue Aug 09, 2016 9:55 pm This is particulary a problem when easing away from a light or stop sign as I worry about stalling and getting hit from the rear. There is a great deal of talk among Star owners about removal or disabling of the A.I.S. Front carb jets are 125.0 main and 17.5 pilot, the rear has 122.5 main and 17.5 pilot. The next time I … 1999 Yamaha V-Star 650 Classic. Just a quick semi-"How to" on syncing carbs on the vstar 1100. Amazon Affiliate Link To Gumout 800002230 Carb and Choke Cleaner, 16 oz:https://amzn.to/2JASxEr The Virago was a regular street bike, great engine. The Premiere Web Portal For the V-Star 1100 Motorcycle: Jack Phelps' Pages : A.I.S.Removal. The bike started backfiring bad when decelerating. Does anyone know if that is a problem with these bikes. It is a 2003 Yamaha V-Star 1100 Custom and has 12k miles. There are numerous ways oxygen can end up in the exhaust system, especially if you are riding a large V-twin motorcycle. On deceleration, with the throttle plate closed, the pistons are still pulling a large vacuum that is not being fed by the throttle opening, so any tiny opening at gaskets, seals, joints, slip fits, must be suspect. Looked at a motorcycle today, found a nice used Yamaha V Star 1100 that would fit my budget and seems in a condition that I can deal with for the minor stuff, scratches minor blemishes, etc. I jumped it and started right up. I have a 2005 v star 1100 been riding it for about 2 years and lately daily consistently for about 1 month. Here is my problem. V star 1100 Lacking power/sputtering. Bike starts and idles ok after it warms up, but if I bring rpm to 1500-2000, it spits n" sputters then smooth out a few seconds then stutters again, runs smooth, then spits n" sputters again. 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