What to do if your Triumph Bonneville is misfiring?

What to do if your Triumph Bonneville is misfiring?

If I then open up the throttle for a quick burst it seems to drive through it , then everything is fine. Several months ago I did the usual mods. of removing airbox snorkel , free flow filter, AI removal etc. and it certainly has run better since.

What’s the problem with my 2009 Bonneville SE?

Hello, I have a 2009 Bonneville SE which has developed an annoying habit. I start it up on the choke , warm it up etc. but for the first mile or so it backfires and generally misbehaves ! If I then open up the throttle for a quick burst it seems to drive through it , then everything is fine.

Why does my Bonneville spark when out of compression?

As suggested earlier you may be leaving your choke on for too long which is too rich and flooding your engine. If that does not solve it do as Tigcraft has said and change your plugs, there is every chance a new plug could be faulty, it may spark when out of the cylinder but not under compression.

Why does my motorcycle have a backfiring problem?

Why Is My Motorcycle Backfiring? 6 Reasons And How To Fix It. 1 Incorrect Timing. When it comes to troubleshooting motorcycle issues, it’s always nice to have the right, basic tools handy so you can make these 2 Too Much Fuel. 3 Loose Exhaust Header. 4 Too Short Of Exhaust Pipes. 5 Too Little Fuel.

Can a Haynes aftermarket manual prevent a backfire?

Yes, many backfires can be prevented with a little maintenance as suggested in your car owner’s manual or the vehicle repair manual. If you don’t have your repair manual yet, you should get one. Get an inexpensive Haynes aftermarket manual at Amazon for your particular vehicle make and model.

What causes a backfire on an unburned engine?

Unburned fuel then is allowed to pass into the exhaust system where it can backfire. The same type of problem can be caused by a worn out or damaged spark plug wire. A bad wire will make the spark’s travel difficult, weaken the spark, or simply push it into an adjacent wire or to ground, resulting in a backfire.

Can a bad sensor cause an engine to backfire?

An engine sensor malfunction can also lead to backfires. Take for example a bad mass air flow (MAF) sensor. The engine computer uses this and other sensors to compute the amount of fuel to inject into the engine according to operating conditions.