Question about Triumph Bonneville America Motorcycles

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Hello,I have a 2008 efi triumph america, the problem is when riding around town, when throttling down to corner it is back firing,coming out of the corner there is a flat spot, the bike feels as though it's going to stall but it recovers, yet continues to miss, it's fine out on the open road, it seem to be only at low speed, I changed the fuel thinking it may have been dirty, no change, it has genuine short pipes,and adjustments have been made to suit, by dealer, your thought would be much appreciative thankyou.

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SOURCE: want to increase idle speed for ride day.

congrats for your new bike
since its a new bike all you have to do is go to the manufaturer and the will shoot your trouble

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I would say it is a faulty engine temp or Air temp sensor,

Posted on Jun 29, 2009

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SOURCE: Have an 08 Triumph Speedmaster Efi model. Put

the fuel is lean on the bottom, i dont know if the power commander can add some fuel or not. Why disconnect air injection, also if disconnected is the exhaust leaking.

Posted on Dec 31, 2009

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my 2003 vxt 1800c will not idle pure gas comes out the exhaust pipes

Posted on Jun 03, 2012

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2002 triumph america 790CC really need repair manual I also have a 66 tr6r,much different

Hi, Mitchell the vast majority of service, parts, and owners manuals on the internet are "FREE" to download and all service manuals contain wiring diagrams in the back pages. The rest usually charge a modest fee around $10 sometimes more and there is a handful of obscure, rare, obsolete, and very old models that are no longer or never were available, then there is eBay where you may be able to find what you need at a very high price because of its age and rarity. Most of the "FREE" manuals will cover your exact make, model, and year otherwise one will be provided that comes as close as possible to your bike and will have most of the same info that an exact manual would have.
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1 Answer

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Rating: 5 - ‎44 votes I removed the O2 and AIS on my 2009 SE Bonnie. ... First thing I noticed was the smooth idle, next was the deeper exhaust note from my TEC 2:2 .... The power increase all over the band was very good , no popping or back fire at low rev's and

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place a lenth of thin strate whire into both throttel bodies and gentely close the throttles on this whire,,, the butter flys should just tuch very gentely both bits of whire if not adjust the butter flyes till both bits of whire fall out under there own weight,,,and then its bingo,,, job done!!!
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1 Answer

Have an 08 Triumph Speedmaster Efi model. Put K&N filter,triumph cone mufflers, power commander (PCIII) on and having trouble @ low speed around town, won't idle when cold and backfiring when...

the fuel is lean on the bottom, i dont know if the power commander can add some fuel or not. Why disconnect air injection, also if disconnected is the exhaust leaking.

Dec 31, 2009 | 2008 Triumph Speedmaster

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