Triumphrat

bobbobby

Okay, here we go...

About a year ago I crashed my 2006 Triumph Bonneville (due to tire pressure) and smashed a few bits, like the front headlight, but nothing major. The guys who picked the bike up had it running straight after the crash and I let it sit in my garage for a year while my ankle recovered. I have decided it's time to get back on the horse and pulled it out of retirement. I put a new fully charged battery, a new solenoid (starter motor), flushed it with new oil and filled it up. All the electrics are working finally, but it is running badly.

She idle's well after warming up and there is no backfiring, but there is a kind of ticking/clapping noise coming out the front right cylinder that is getting worse everytime I run it. I know that Triumphs do make a lot of noise, but this is an unnatural amount. I would love any suggestions as I really can't afford to put it into triumph

Tomorrow I will post up a youtube video so you can hopefully hear it.

Thanks very much,
Bob Bobby

bobbobby

No idea??

plodalong

Bit hard to tell from your description. I would take off the cam cover and have a look. possible suspects are broken valve spring or a stuck valve/follower, not something I,ve heard of with the new bonneville but i guess anything is possibe. Another thought, was the exhaust pipe damaged at all, might be a leak at the head/pipe connection. Good luck.

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bobbobby

Thanks a lot plodalong - I really appreciate the help. I'll pull off the cam cover and exhaust (it does sound a bit like a bad gasket on the exhaust, but the exhaust was fine after the crash) and have a good look.

Bron-Yr-Aur

Both of plodalong's suggestions are what I was thinking too. It doesn't take much of a shift to get an exhaust leak. A new set is only $5 from BellaCorse?

Usually an exhaust leak gets better with heat, though, not worse. How hard did you hit? Do you think something like a valve spring or shim could have been affected? Anything run into the motor? You did say some guys worked on it. You think maybe they got something out of adjustment?

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bobbobby

Hi kreemsicle,

It sounds like air putting out at every engine stoke, and as I rev up, it gets worse. Nobody worked on the bike after the crash, they just picked it up and drove it back to my house . The damage to the bike was really only aesthetics as I crashed in the grass - nothing major was damaged, the engine casing is fine etc)
Once I have charged my camera battery, I can get a video to help diagnose the problem.

Thanks a lot for the input, once again I really appreciate the help

2old2growup

Your latest message really makes it sound like an exhaust leak problem. Likely that the pipe was pushed "inward", towards the centerline of the bike by the fall and is leaking around the "outside" edge. You may even be able to feel it if you put your hand close to that area. Try it before pipe and cylinder head have had a chance to get too warm. You may be able to fix it by loosening, realigning and retightening header pipe/clamp.

Bron-Yr-Aur

Yeah what he said Generally exhaust gaskets are considered a one-time item. So if it doesn't work, don't despair. Try a new gasket. They are made of soft metal (copper I think?) that crushes to conform to the shape and angle of the pipe. If the previous post is correct, it may have crushed at an angle beyond salvaging. Either way, sounds like an easy fix.

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(The artist formerly known as kreemsicleT100)

"Ya can't have 'no' in your heart. Life's a garden. Dig it." - Joe Dirt
"If y'ain't first, yer last." - Ricky Bobby
Bron-Yr-Aur Garage

Nickwiz

Yup that sounds like a damaged exhaust gasket. The noise is the gasket rattling about, the sense thast air is escaping confirms that.

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bobbobby

Thanks everyone for the input - I'm well on my way to fixing this.

Today I pulled off the whole left side exhaust pipe and realized that it was about halfway flat on the bottom (probably from the accident). The gasket, however, seems to be intact. I think when I went down I must have knocked the pipe out of place, which is giving that ticking air noise.
Without having to go to triumph dealership, does anyone know where I can find a second hand or even new whole pipe? (muffler at the end is in good condition, so don't need that)

Thanks again and drive safe!!