My2005 cbr1000 makes a bit of a tappaty noise could this come from the manifold seems to be a bit worse when its warm

It should not. The burner heats a manifold and air is drawn thru the hot manifold to warm the air. As long as the manifold Is in good shape, no co2 will contaminate the warmed air. However, if the fan does not blow air over the manifold, the the thermal fuse will be blown and stop the heater from working at all. Fan noise is not good. Get professional help asap

wheel bearing or axle shaft

A leaking exhaust manifold could make a ticking noise. So could a lifter or valve. The exhaust noise would be louder under load.
If the carb is running too lean, or you have a vac leak, the lean fuel mixture could make the exhaust leak worse, and cause the loss of power.

Check the passenger side exhausts manifold and the last bolt that holds the shield to the manifold.

Just a giuess but you may listen to the water pump. They can make noise when there going out and quit like they have a mind of there own. Just a thought and easy check, Raz

you will want to go to an exhaust shop to have them look for broken welds or brackets as well as the catalytic converter. if it has come apart inside it will create this issue. common.

Check your belt. Belts will whine when they're worn, cracked or glazed. I hope this was helpful. It's not normal. Take care and God bless.

Bryon

check intake manifold air temp sensor and engine coolant sensor...one may be out of range but not enough to turn on dash light. tests and specs can be found in chiltons or haynes, test is done with digital multi-meter.

A small exhaust leak can sound like a ticking noise during acceleration and can get better or worse as the system heats up. I had a similar problem when the engine was cold that was solved with a new exhaust manifold gasket.

volvo s80 y reg 2.4 runs ok little bit lumpy tickoover when warm but very loud whistling noise take dipstick it stops but very big suction from tube not pressure it is not breather box under manifold