Virtual Mechanic

Car and bike questions? We have the answers

My 1997 Suzuki Max 100 gives me 60 kpl. A friend said that if the engine is strained to give such mileage, it increases engine noise. I added more 2T oil in the petrol tank, which reduced the noise to a certain extent. What can be done to reduce this engine noise? I have changed the piston and rings, but a ticking noise persists. Wayne Pereira, via emailEngine sounds can only be adequately diagnosed if they can actually be heard. If what you hear is a light tapping or clicking sound, it could be the small end bearing and gudgeon pin that need to be checked. If the sound is a deeper thud and occurs during load, then the big end bearing is suspect. We rule out the piston and rings because you mention that they have been changed recently, but ensure that a good job was done. It happens that there could be a problem even now with the piston. I own a 2000 model Hero Honda Street Smart (electric start). I always ride at 40-50 kph and the first start of the day is kick-started. I have observed that the silencer gets extremely hot even after journeys of only 5-7 km. What could be the reason? P V Sawant, via emailThe exhaust system of any two-wheeler does get hot. Check out a similar bike to see whether the heat from that one is the same to determine whether there is in fact an overheating problem with yours. If there is, then get the exhaust opened to find if there is any clogging or obstruction to the system. This is assuming that the engine is in the correct state of tune and the settings to the valves, etc are all within company specifications. I have a Hyundai Santro. I would like to fit mag wheels but a friend said they are not suited to Indian roads as they can crack on hitting a pothole. Is this true? I've also heard that the overall handling, braking and mileage improve after fitting alloy wheels. Which is the best brand available for the Santro, and should I go in for imported ones?Nishant Dhote, via emailThere are certain poor quality alloy wheel rims that could get damaged if care is not taken while driving. At normal road speeds the difference would not be too great in terms of handling but from a cosmetic angle, alloys get the nod. Stick with Aura, Traxx or Neo from India. Otherwise, go for reputed imports like BBS, Momo or OZ if you can afford them.

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