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TVS Apache 160 RTR Fi cylinder head's spark plug thread gone wrong
It was sunny afternoon on 5th may 2013,when i decided to wash,wax & polish my Apache RTR 160 Fi.The last thing to do after that was to put in a new spark plug
because i strongly felt that the spark plug needs to be replaced because the engine firing was not upto the mark.I attempted to remove the spark plug
from the bike,but soon found that it was too tight.I removed it finally.I found that both the diodes were touching the centre.I started putting in the new spark plug,
but soon realized that the threads on the cylinder head are badly damaged.I was unable to fix the new plug as it stopped moving just after a couple of turns.I
panicked & began tightening the plug with full force until it broke into two.The porcelain part in the cylinder head & the nut part on the ground.The local
mechanic removed the cylinder head & drilled out the broken plug & re-threaded the head with the help of a lathe machine.It's then that all the troubles
started.After putting everything back again,the bike simply won't start.On the first day he tinkered with the valves & replaced them.It didn't help.Next day
he tinkered with the timing chain & the bike started with too much valve noise.The mech said it's noisy because the valves need to be loosely fixed on TVS Apache
for at least a month or else the mileage will go down drastically.It went in a "shutdown" mode within 15-20 minutes.The next day (which is today) i mounted the bike on a auto trolley & went straight to Kiran Komercials in secunderabad.They repaired the bike in a single day,but....the valve noise remains which is keeping me worried.Please Help !!!
because i strongly felt that the spark plug needs to be replaced because the engine firing was not upto the mark.I attempted to remove the spark plug
from the bike,but soon found that it was too tight.I removed it finally.I found that both the diodes were touching the centre.I started putting in the new spark plug,
but soon realized that the threads on the cylinder head are badly damaged.I was unable to fix the new plug as it stopped moving just after a couple of turns.I
panicked & began tightening the plug with full force until it broke into two.The porcelain part in the cylinder head & the nut part on the ground.The local
mechanic removed the cylinder head & drilled out the broken plug & re-threaded the head with the help of a lathe machine.It's then that all the troubles
started.After putting everything back again,the bike simply won't start.On the first day he tinkered with the valves & replaced them.It didn't help.Next day
he tinkered with the timing chain & the bike started with too much valve noise.The mech said it's noisy because the valves need to be loosely fixed on TVS Apache
for at least a month or else the mileage will go down drastically.It went in a "shutdown" mode within 15-20 minutes.The next day (which is today) i mounted the bike on a auto trolley & went straight to Kiran Komercials in secunderabad.They repaired the bike in a single day,but....the valve noise remains which is keeping me worried.Please Help !!!
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