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Originally posted by smartrider
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I think almost all your queries were answered in detail by many members, if we missed out something, you could ask again. -
Yesterday,I spotted a nail in my rear tyre. I took my bike to a nearby mechanic but he couldn't locate the puncture.I think I made a terrible move by pulling the nail out.After the penetration my bike did more than 100 KMs,but till now I can't find any pressure drop.How to know if I'm loosing air or not?Also, how can I locate the puncture?I'm also observing the economy.Comment
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Today my bike crossed 70kms still it's not yet reached reserve. Hope it'll cross at-least 90-95kms. Regularly i fill petrol for 100rs only.Originally posted by joseph.alukka View PostCant say that bro, do let me know the exact result after 2 days. Local shops only have Bosch plug used in bajaj bikes and they have a clearance of only 0.6mm whereas our bike has 0.8-0.9mm, that clearance is dependant on the ignition coil strength, so different bikes might have different sparks. Since Unicorn is another Honda, maybe both the spark plugs could be the same or very similar. Due to to lack of availability, I sanded the existing plug and corrected the clearance, now Im getting 70kmpl and I need to have a new one to get 75+, so spark plug really varies the mileage beyond a limit. For you it might not show any difference as you change it often, but my plug was never changed in 3 yrs and the electrodes were eroded
NGK plug is widely available everywhere you just try some other shops too,
Yes you are correct but if spark plug is not a correct one i'll show the ignition results clearly like lack in power, pick up, throttle response etc. but for me i'm not facing any issue.
First congrats for your first punctureOriginally posted by smartrider View Post
. Thing you cant locate the puncture & not loosing the pressure means leave it you are lucky.
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If there's a pressure drop,even at a slow rate,I think I could find it out from the fuel economy.Comment
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Fuel economy is not a measure of tyre pressureOriginally posted by smartrider View Post Check pressure daily for 2-3 days, you should be able to figure it out. I have a nail in mine since weeks and havent removed or repaired and pressure drops 4-5 psi every week. Tyre looks normal, but the pressure gauge at the fuel pump shows lower than what I had filled
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From my experience,tyre pressure is an important determinant of fuel economy.Yes,once it dropped my economy from (70-51)kmpl & after pumping air,I got an even better economy of 75kmpl.Last edited by smartrider; 03-30-2013, 08:08 PM.Comment
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NGK spark plugs can also be purchased through NGK distribution network.....just remember the model number given in user manual.Originally posted by joseph.alukka View PostCant say that bro, do let me know the exact result after 2 days. Local shops only have Bosch plug used in bajaj bikes and they have a clearance of only 0.6mm whereas our bike has 0.8-0.9mm, that clearance is dependant on the ignition coil strength, so different bikes might have different sparks. Since Unicorn is another Honda, maybe both the spark plugs could be the same or very similar. Due to to lack of availability, I sanded the existing plug and corrected the clearance, now Im getting 70kmpl and I need to have a new one to get 75+, so spark plug really varies the mileage beyond a limit. For you it might not show any difference as you change it often, but my plug was never changed in 3 yrs and the electrodes were eroded
check their website given below.
NGK
NGK
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I hopt for the best.But it didn't work.Today I felt the lowest pressure in my rear tyre amidst my trip.Handling & economy got worse.Cornering just shocked me.FE dropped from 80-62(kmpl).Please help me to spot the puncture. Awaiting fast replies.Last edited by smartrider; 03-31-2013, 12:31 PM.Comment
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dude, if you want to spot the puncture really fast then put the tyre in some large vessel containing water. you will see some air bubbles coming out from the point of puncture.Originally posted by smartrider View Post
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Buddy,today a mechanic did it for me,but we couldn't find any puncture.I'm convinced that there's no air leakage.But I still don't know the cause of a huge economy variation in just a day's time.(80-60)Comment
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Bro, it need not be a puncture, it could also be an air leak at the sleeve, ie the shoulder of the tyre which touches the alloys. Fill air till normal pressure and immerse the wheel till 1/4th so that the tyre and the alloy part gets immersed and apply some weight by sitting on it and check part by part, if you cant find such a vessel to dip it, lather some washing powder and apply it totally on the wheel and observe carefully, the air leak should bubble slowly.Originally posted by smartrider View PostComment
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I got the new activa spark plug bro, it was exactly the same model and the dumb svc guys keep saying twister plug is out of stock when the same model plug is sitting in other boxes!Originally posted by sachin1111 View PostComment
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I tried them all but the result is negative.I think no more of a puncture.After the 2nd service,the brakes were tighted,air pressure was lowered & also some clutch adjustments.This may be the reason for the considerable variation in economy.What do you think?Comment
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Pressure drop is defiantly a reason for mileage drop. So keeping a correct pressure in tyre will give good mileage & handling.Originally posted by smartrider View Post
Originally posted by smartrider View PostThe only one way is as sachin said dip the entire tyre in a big water vessel. Better go to a trucks puncture shop they will have it.Originally posted by smartrider View Post
And also over tightened brakes also drop the mileage as well as pickup.
Bro after change of spark-plug finally i got a mileage of 95kms(68kmpl) for 100rs petrol(1.4L) which includes some 20kms of heavy traffic drive.Originally posted by joseph.alukka View Post
So no mileage drop by a unicorn spark plug.Comment
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That's great buddy.Thanks for the info.Comment
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