While manifolds are built to be heavy duty parts able to withstand over nine hundred degrees fahrenheit if there are any issues with the heat shield or exhaust leaks the excess heat can damage electrical and plastic parts nearby.
Motorcycle exhaust burning smell.
May just be that new exhaust smell.
This will emit a very dark almost black smoke and will be accompanied by the smell of burning rubber because the rubber casing around the wires are burning.
Giving you the burning smell.
I recently had a problem with my honda cb600 when the regulator rectifier burnt out the regulator changes the current from ac to dc and essentially charges the battery meaning if it burns out the first you ll know about it is the burning smell smells like plastic burning or an old child s toy exploding and the bike will most likely die as.
Also check and make sure there is nothing stuck to the exhaust pipe and manifolds that would melt or burn.
If any leaks are discovered repair or have them repaired.
Smoke coming from a motorcycle exhaust indicates the engine is not running correctly.
A lean burn has a very toxic eye burning exhaust and this can fry a valves especially the exhaust.
Typical problems include fuel not being completely burned too much oil or coolant evaporating.
Another common symptom of problems with the exhaust manifold is a burning smell from the engine bay.
Exhaust gasses from an internal combustion engine running on petroleum based fuels always have a chacteristics odor resulting from the slight quantity of unburned hydrocarbons emitted.
I would guess that the cooler weather is all it is as modern bikes with there electronics can sense the cold and adjust the mixture to accommodate the need for more fuel but it never hurts to make sure.
Yes it is normal to smell exhaust fumes from motorcycles.
Check for any oil leaks especially oil leaking around the cylinder head or onto the exhaust system as any oil in these areas will heat up and basically cook.
You could have not taken the plastic coating off if.