How much tire weight is too much?

 Had to put nearly 3 ounces (85 grams) of weights on an Avon Storm tire to
get it to static balance.  Seemed like a lot of weight for a premium tire.
Anyone had similar experience?

Dealer said I shouldn't have to balance it since most motorcycle tires are
pretty much balanced from the manufacturer.   Not to doubt him, but that
seems a stretch.

B~

 
How well did the wheel balance by itself before the tire
was mounted ?

 

Ri-ight.


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    Did you put the splice opposite the valve stem?  It's been a while
since I changed my own tyres, but ISTR that some manufacturers put the
paint dot at the splice and some put it opposite.  I ended up ignoring
that and physically locating the splice myself.  Maybe tyre technology has
changed a lot since, but if the tyre itself is perfectly balanced (e.g. no
splice) you still have to counter the valve stem.  The other problem is if
you don't get the tyre seated properly all the way around -- the
circumferential marking should be equidistant from the rim all the way
around on both sides.

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If I remember rightly, the Avons don't have a designated heavy spot. The
irony is if the tire doesn't have a heavy spot, you need more weight to
counter the valve.

For the record, was the added weight opposite the valve?