Funny sound

Good day

Im worried because of a funny sound when i turn my bike egnition on. I have a 2000 model thundercat and when i bought it, the sound was there but i read that its to warm up the bike so i always waited a few seconds before starting, but the sounds repetitions is faster now and doen not slow down and suddenly it stops but the bike wont start. Please i need advice.
My bike means alot to me. I love my cat
Please help?
My email is swannie467@gmail.com
My number is +27745433775
Thank you in advance

You are probably referring to the fuel pump, which whirs for a couple of seconds when you turn the ignition on. The length of time it whirs for depends on how much remaining fuel is already in the fuel system; the longer you leave the bike, the longer it whirs (until it times out at around 5s IIRC).

If it is whirring a long time every time you turn it on, perhaps there is a fuel delivery issue somewhere? Just to check, there is fuel in the tank, right? And the fuel tap is open?

As Paul says above,
The fuel pump ticks very fast as it primes the carburettors, if it’s been stood for some time you may need to switch off the ignition & repeat, when the carburettors are fully primed the ticking will noticeably slow down before it’s ready to attempt to start the bike.
Both my Thundercat & Exup follow(ed) this process & can easily flood the bike if attempting to start the bike too soon.

A blocked fuel filter might cause this.

There's also the known issue with old fuel, particularly supermarket 95-octane, leaving a deposit in the carbs when it evaporates, that can block up the jets.

Possibly a kinked or collapsed fuel line?

Paul