Help identifying engine knocking

[Colby]

Anyone in the Bracknell/ Crowthorne area fancy helping identify what the knocking is from the engine on my Curvy?

I started it up and got halfway down my road this morning before thinking.... hmmmm... that doesnt sound good.

[DanAbnormal]

Anyone in the Bracknell/ Crowthorne area fancy helping identify what the knocking is from the engine on my Curvy?

I started it up and got halfway down my road this morning before thinking.... hmmmm... that doesnt sound good.

Does it disappear when warmed up?

Could be cam chain tensioner. I assume you've chcked oil levels etc?

[Colby]

Oil levels are fine and it doesnt disappear when warm.

The sound seems a bit duller than I imagine the cam chain tensioner would sound... I'm thinking it might be big ends....

[DanAbnormal]

I'm thinking it might be big ends....

Me too. :(

Get it checked out asap and don't ride it.

[Colby]

Went home at lunch to have another look at the oil levels.... they are fine.

With the bike running i did a visual of the front cylinder. The front HT lead was moving in time with engine. Pressed down on cap and noise seemed to disappear.

I reckon I have a loose spark plug. Will investigate further tonight if its light enough when I get home

[DanAbnormal]

Went home at lunch to have another look at the oil levels.... they are fine.

With the bike running i did a visual of the front cylinder. The front HT lead was moving in time with engine. Pressed down on cap and noise seemed to disappear.

I reckon I have a loose spark plug. Will investigate further tonight if its light enough when I get home

But surely if it was not seated correctly it would not fire????

How odd.

[falc]

Might be best to get it checked out

[Colby]

Was definitely a loose spark plug. Got home last night and tightened it up and its as quiet as a mouse

[DanAbnormal]

That is so weird. If it were loose enough to rattle about it shouldn't have been firing. :confused:

Glad it's fixed now though.