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Old 07-07-2013, 11:11 AM   #74
Beastly Adventurer
Joined: Sep 2011
Location: Tulsa, Oklahoma
Oddometer: 6,434
Originally Posted by tututis View Post
Hi, I've mount a Conti Trail Attack in my 12GS and I've balanced them with Dyna Beads. I put 2 Oz in the rear tyre and 2 Oz in the front tyre becuse a I read this on the web
From 0 - 130Km/h I don't have problems but from 130Km/h to I have high speed vibrations like a palpitating movement.
Why ? Anyone knows the answer ?

Motorcycle applications are easy for all bikes, 2 wheel or 3 wheel
80 - 120 mm tire width
1 oz
80 - 120 mm tire width (BMW Telelever only)
2 oz
130 mm tire width
2 oz
130 mm - 240 mm width
2 oz
250 mm - 360mm tire width
3 oz
195 - 205 car tires on the rear
3 oz
M Series Tires Sizes
MH – use 80 mm width
MR– use 120 mm width
MJ– use 90 mm width
MT– use 130 mm width
MM– use 100 mm width
MU– use 140 mm width
MN or MP– use 110 mm width
MV– use 150 mm width
These codes are typical for Harleys but can be for any tire. The codes do not go beyond 150mm in width. With these tires, the first number of the tire size is not the actual width, it is just a number. The M-code is what tells you the actual width.
10" diameter wheels (scooters)
1 oz
12" & Up diameter wheels (scooters)
2 oz
Dual Purpose / Off Road with Rim Locks
Front - 80 - 120 mm tire width
2 oz
Rear - 130 -230 mm width
3 oz
Rim Locks - add one ounce over what you normaly use for that size tire to accomodate the additional weight of the rim lock. Two rim locks opposite each other don't require any more Dyna Beads other than stated above, as they have a tendency to cancel each other out.
Note: Filtered valve cores do not fit all stems. They require a seat 1-1/4" down in the stem. If you cannot use them, simply rotate the tire so the valve stem is about the 6:00 position, then give the valve stem a quick shot of air prior to checking pressure.
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