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General Category >> Rubber Side Down! >> bad vibration at high rpms
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Message started by mastercarstech on 07/08/16 at 21:00:30

Title: bad vibration at high rpms
Post by mastercarstech on 07/08/16 at 21:00:30

So I've been riding the bike for about a month now in between fixing things break and I've noticed it's got a pretty bad vibration I can feel in the handle bars at high rpm. Not sure exactly what rpm as I don't have a tach yet but it's about when I shift and in fourth gear (it's a 4 speed) at about 60 + mph. Bad enough it makes my hands numb even though I'm wearing padded gloves. I can feel it when I Rev the engine in neutral also so I'm pretty sure it's originating from the engine. This is the first Savage I've ridden so I don't have anything to compare it to but I'm pretty sure it's not normal.
The engine seems to run ok and no unusual sounds or knocking from the engine that I've noticed. I did install generic risers and a flat handlebar and had to enlarge the holes in the bushings at the base of the risers because they used a larger bolt but don't think that should make a difference as I still reinstall the bushings.
The bike does have about 26k miles on it and wondering if it's just about time for rebuild on the engine?
Also considering installing some bar end weights to help dampen the vibration. Has anybody used them? Thought? Advice? Thanks. :-/

Title: Re: bad vibration at high rpms
Post by KennyG on 07/08/16 at 21:26:25

Master,

The newer S40 drag bars have weights built into them.

I would check the engine mounts, especially the through bolts that hold the front pegs on and the top motor mount that is under the fuel tank.

Kenny G