Loud valve rattle sound, guy i got bike from said this is normal on the 900cc sprint triumph is this true
Well my old trumpet sounded like a cuttlery draw being emptied into a tin bucket, lol... yes they DO indeed make a racket, however it shouldn't be TOO loud? As long as it sounds rhythmical and even and there are no "Tinny" (like hitting an empty tin) slapping sounds, then you should be all good.
It wouldn't hurt anything though, to give the Valves a good going over, and "set" them again. this will at least give you piece of mind, that nothing is indeed wrong. I have also found that using a synthetic oil that gets/stays? slightly thicker at running temperature, this too, helps quieten it down too. Also check the valve springs, rocker side play too, maybe it needs a shim? sometimes the springs weaken and cause a louder noise, just replace them if this is suspected. Remember though that the Triumph is a "Loose" motor and they do indeed make a racket, often until they heat up and tolerances tighten, and then it should all purrr.....
http://www.repairmanual.com/category/1996-triumph-trident-900/
repair manual above.
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