as long as the government continues to subsidise "mitti ka tel" . Other than as an aerosol spray(which contains other solvents and a propellant) wd40 is also available as a non aerosol liquid, which I bought once and then I came to appreciate how similar it is to ordinary kerosene fuel .1) as long as "touching up" doesn't involve painting huge patches it'll be fine - no one is about to check your engine down there with a magnifying glass

2) for polishing unpainted engine parts a small buffing wheel on a rotary tool(like a dremel) is good . If it's painted , you can't buff it , have no other choice than to use a mild solvent with a suitable stiff brush that can reach the cranny spaces .
3) no - dishwash or even tide powder in warm water is an excellent degreaser . Engine paint is quite tough stuff - much tougher than other paints .
4) noHomemade Engine Degreaser | eHow.com


engine, there is nothing better than Diesel for your case. Since engine paints are classified as high temperature paints/ thermal enamels (resistent to high temperature variations) it is safe to use degreasers on them. But lately I have come across some cases in local mechanic shop where one Honda guy came complaining about paint peeling off from his bike's bore. Not sure if that is covered under warranty. Todays diesel come with multiple additives which are nothing but by products of crude waxes and these are added to bring that "smooth" drive in diesel engines. These waxes also aid in giving a protective layer on surfaces by repelling water and soap suds (need good elbow wax to rub this wax out). Having said that, it also attracts dust. I have a Pulsar 150 UGIII with silver alloys and engine. I have used Motul/ Wurth / Cyclo and what not. I had some which had mild sulphuric acid in them which burned off my gear instruction label on the engine. When it comes to degreasers nothing works better than mild painter brush, Petrol/Kerosene/Diesel. But since we have to jump some clauses in your case, the best option is to use either white kerosene or diesel from local bunk.

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