Need help!

[thedj349]

my bike for the most part runs fine but when i go full throttle faster then i use to beable too the engine makes a deep low "burrrrr" sound but if i keep the throttle at the middle and ease into it it wont .....but it never did that b4. should i be worried?

 

[bluegoatwoods]

Hmmm....don't worry a lot just yet. I don't doubt that something's not quite right. But I'm not enough of an expert to tell you what it is.

But I've had a couple of engines do something similar. Yet they kept running, just not as strong.

You might want to check that your exhaust is not all clogged up with soot.

And sit tight. Others will come along with better notions and advice.

 

[Huffydavidson]

what you mean by that? 4 stroking perhaps ? what carburetor exhaust you running what motor ? need more to work with .