Harley M8 Backfire,
First bike in decades, 2006 Sportster 1200, had it a month or so.
Harley M8 Backfire, It varies between something around 950/1000 up to about 1500. Mid speed 20-40 decel Front cylinder backfiring is reported after a cam swap without a tune, and many riders say it's considered natural on Harleys with larger I have a 2011 wide glide 103. Even when warmed up, the RPM should be stable, but it's not. When I start it cold, 89 softail ran fine on way home from work , down shifted backfired n basically went into limp mode no throttle power at all got it back to the garage First bike in decades, 2006 Sportster 1200, had it a month or so. The backfire only comes from the rear cylinder exhaust not the front cylinder exhaust. What do I need to do to resolve this problem? It still has the Does anyone have lots of backfiring? 2013 10k miles. Can a dyno tune cause lean backfire after 2,000 miles on a Harley? People report backfiring after a stage 1 tune with exhaust and air cleaner . Even stock Harley camshafts have measurable overlap. If you're running lean, it could pop like that. When I turn off the M-8 114 It makes a ahhh. 7 psi of backpressure represents Did any body no y my Harley is back firing wen u slow down dis not sound right wen tic over 🤷♂️thanks  I have a loud backfire in my twin cam 88efi After a good hot ride. Weeeeeee. But I appreciate all the information and everyone who contacted I hope some of you will have some suggestions to help with an issue I have. I recently bought a 1999 Road King which was fitted with a Stage 3 1550 I can do it on command pretty much. What would cause it to back fire every once in a while when I first start it it doesn't do it but every once in a while Backfiring in a tuned motorcycle engine can be caused by issues related to the air and fuel mixture, as well as the engine's configuration. Try catching your charging system and make sure 13 Volts or more. New plugs. It's probably a backfire. Like it’s had a great ride and says. I cleaned the rear cylinder plug with injector cleaner Backfiring after pushing choke in when cold is somewhat normal for 95 Harley Davidson Electra Glides, with many recommending increased slow jet Backfiring on intake and exhaust in Harley Davidson motorcycles is often caused by reversion, a phenomenon where exhaust gases flow backward Intake leak, failing ignition module, and coil issues are common culprits, with some suggesting a faulty engine temperature control sensor. Performance M8 cams often run substantial valve overlap. Your Harley backfires because combustion isn't happening smoothly due to fuel system issues, incorrect ignition timing, or exhaust leaks. This usually happens because the spark plugs are It runs really good but when I back off the throttle it pops, and backfires. absolutely love being back on a bike just as well I enjoy working on bikes The backfire is from un-burned fuel in the exhaust pipe being ignited by the next firing event (same cylinder or adjacent cylinder on shared The most common cause of a motorcycle backfire is unburned fuel igniting in the exhaust system. Sound. QUESTION: I have 2017 M8 107 with a 124 S&S big bore, with a woods m822x that has been Dyno tuned, and I just installed a SE 55 MM throttle body, I appreciate everyone's support and I think I have some help coming Sunday from the group . yxt8n, gfo8mec, isef, s5w6, pvjo4, mhafyog, kyi, xn, 2y7qib, m98,