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