I have installed Iridium spark plugs and K&N filter on my P180 five months back. Everything went on smooth for first few months, but somewhere in January i felt that my bike wont go above 6k RPM instantly even if i kept on revving constantly but after some time as soon as it reached 8k RPm it would gain huge momentum.
I got it checked in Bajaj showroom and they told that there are scratches in Bore&piston as the filter box is cut out it draws in lots of dust, so they need to replace it. I had got it replaced 6 months ago. I took it to the mechanic(who had fixed bike before including engine work -bore piston replace,air filter change, spark plugs change, rear disc brakes) and he told me that its just the problem with inlet valves and he will fix it. Also as a precautionary measure i got the air filter box closed so that it doesnt draw in dust.
Now since last few days i am facing strange issues. I will list them one by one.
1.) When i slow down from higher speed sometimes there are misfiring noises of spark plug. Sometimes when i slow down to 1st gear the engine makes a click noise and OFF. Self wont work at nuetral and atleast 50 kicks are required to start.Sometimes in morning while running it will just die as it used to be if there is dust in carberuttor in scooters.I will keep on accelerating and it keeps on slowing and stops.
My question is that is it due to some air filter setting or spark plug setting? Does Pulsar run on thick or lean mixture. I have no idea, Please help.
2) When i brake the rear brake make noises like the buses do when they brake(as if they need to be greased). What is causing those sounds in bike rear disc brakes?
Moreover if anyone from bangalore could advice me a good mechanic who could tune my bikes engine properly that would be of great help.



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