Question about 2002 Aprilia RS 125
I recently bought a RS 125 and it sounded fine... i have never owned a bike before so i got a freind to go with me to check out this private ad...my freind told me the bike was fine and didnt miss a beat when riding it, however, the engine is now making a tapping sound and theres quite a bit of white smoke coming from the exhaust. The tapping sound is pretty loud and getting more noticable...could someone please tell me the possible cause of the problem, how difficult it is to repair and how much it would cost roughly. Any answers would be a great help. Thanks in advance.
being a teo stroke these engines dony last long the aprilia has a high engine fail rate the noise is most prob the big end or small end bearings as these are common to go on this bike the main bearings make a rummbley scraping noise on idle best to get it looked at as when these go bangh thay can destroy the crank case too
Posted on Jun 27, 2009
It could be a problem with the balance shaft gears. Mine did the exact same thing, and I immediately had a semi-stroke thinking it was the bearings, because the bike hadn't been driven nowhere near the mileage those are supposed to last.
If the problem isnt found anywhere else, id get the gears replaced anyway while looking at the wpump. They are made out of plastic and when they do go, they take every other plastic gear thats around them (oilpump,waterpump) with them. The gears themselves arnt that expensive.
Posted on Jul 24, 2009
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Posted on Jan 02, 2017
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