In general, backfiring on deceleration (as opposed to acceleration) is generally caused by a lean condition in the pilot circuit. Motorcycle Club » Star 1100 Classic & Custom. this occurs when u have either exaust upgrades or stage 1 or 2 kits installed. Here's the troubleshooting ⦠My motorcycle (2002 Yamaha V-Star 1100 Classic) is backfiring and the idle is really low? ... Backfiring happens all the time, in cars and bikes, you just don't hear it because the muffler/exhaust. ; Record how the bike starts, idles, accelerates, decelerates and responds to throttle in low, mid and top RPM range. alot of people say that the dealerships ⦠; Take precautions for fire prevention (extinguisher handy, no smoking, splash guard or safety glasses). it also can happen when your bike sits for a time peroid of more than 2 months without being ran. Step 1. Backfiring on low speed decel Idle speed changes as bike warms Cobras? Average gas mileage was 49. Ever since I bought it I have had a popping and backfiring coming out of the aftermarket slip on exhaust. 4 Repairs. I have a 2002 Vstar 1100. 1 New Owner "MUST READ" Section 2 Maintenance. kjc intake. Yamaha V-Star 1100 carburetor experts! Also for: Xvs1100, Xvs1100a. My 01 V Star 1100 ran great on 87 octane from day one as the owners manual indicates. Prior to cleaning the carbs my bike would only run with the choke all the way up and when I gave it gas it died. Put over 30,000 miles on before I traded it for my 06 RVS. 3 Tuning. What it is, is incomplete combustion, fuel is left over, and shot into the exhaust pipes. Since you've modified it, now you do. I cleaned the carbs this last weekend as well as changed the spark plugs. No significant event occurred before this started. The heat from the pipes then ignites the vapor and boom, backfire. 2007 Yamaha Road Star Silverado 1700. Does the bike pop or backfire at all (especially at low speeds)? The backfiring of the motorcycle is a signal that something isn't quite right. About This Topic. V-Star 1100 Wiki Knowledge Base "The wKB" V-Star 1100 Wiki Knowledge Base. The exhaust pipes were on it when I got it so I dont know what brand they are. This, in turn allows some unburnt fuel ⦠Use a higher-grade fuel for a while to help clean your fuel tank. v-star 1100 owners with the popping noise out of your exaust.... to all u v-star 1100 owners with the problem of your bike popping out of your exaust. - 2006 Yamaha V-Star 1100 Custom purchased new - Currently 8700 Miles - New Plugs (set gap @ .030") - New Air Filter - Installed Cobra Slip-on pipes & jetted by Yamaha dealer 2 years ago My bike recently started backfiring at about 3000 RPM's (no tach so just a guess) no matter what gear. I just purchased an 03 1100 w/ 10,000 miles. V star 1100 motorcycle pdf manual download. Read the entire page before you start taking things apart. I doubt that only 5 miles a day would consistently fully charge the battery. What happens is that the mixture leans out enough to where is fails to ignite consistenty. Use the following suggestions to pin down your problem areas so that you can stop your motorcycle from backfiring. The carb was supposed to have been rejetted but cannot confirm w/o removal. ; Get ready to mark down current information: jet sizes, needle position and clip location, etc. V star 1100 classic bogging down and backfiring 2 posts from 2 voices. It has Cobra pipes w/o baffles. View and Download Yamaha V star 1100 owner's manual online. When fitting less restrictive pipes (slip-ons or full systems), the AIS can possibly contribute to excessive backfire on deceleration because these will cause a lean condition at idle. It only have one battery replacement in the entire time but I use a battery tender. Idles, accelerates, decelerates and responds to throttle in low, mid and top RPM range replacement in pilot. 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