Dual Front Rotors

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03 Jun 2013 18:03 #590697 by P21
Dual Front Rotors was created by P21
just was looking at my bikes front rotors and notice that they are not lined up right.
there are a series of holes like for balancing the rotor
should they match other side like a pair?
the holes are like 2-3-3-2 and such
wonder can some one with dual disc take a look at theres and see if all holes match up.
i have little shake at 90MPH i know thats riding hard but hey i ride.
this tire has beads in it and not weights i would like REAL weights back on it
the place said that it would not balance right and put beads in (something is funny)
so maybe the reason not balancing right is the rotor mis-match!
so any of guys or gals can look at your set-up and let me know big thanks my fellow riders

Kawasaki KZ 1000 Police (2002) P21

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03 Jun 2013 18:41 #590701 by turboking
Replied by turboking on topic Dual Front Rotors
I'm assuming you had a NEW tire installed..... :unsure: My Bandit 1200S uses beads and they work great......beads should balance weather the discs are lined up or not ....Holes are for the cool factor, It's aesthetic for them to match.
But you may have another problem....

:) rotor holes on my 79 mk ll line up.

2005 Kawasaki mean streak
2000 325 H.P. mcXpress turbo Hayabusa
1979 kz 1000 mk II ATP turbo
1975 Z1 960 cc Mr. Turbo
1975 Z1 1428 big block ATP turbo
1976 Kz900 1103 cc ATP turbo
1985 GS 1150E
1983 GS 1100E
1997 Suzuki Bandit 1200S
2001 Kawasaki EX 500 Ninja
1972 Honda cb750 (836cc turbo)

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03 Jun 2013 21:50 #590729 by kimsmith4807
Replied by kimsmith4807 on topic Dual Front Rotors
If you're talking about the cross drilled holes you bring up a good question. I'm running aftermarket EBC rotors and the pattern is the same all the way around, 5 holes in an arc, and so on.....I did some internet searching for the reason behind the hiles and I found answers like water draining, heat dissipation, cosmetic only and weight savings. If you believe they're to reduce the weight then it's fair to say each rotor might have a heavy side and if aligning each rotor such a way might be beneficial. If ignored, I would think it would all even out when the entire wheel assembly is balanced. If your tires have a colored dot, mine are yellow, this is a light spot for the tire. Also called balancing dots and should align with the valve stem. Research this, as different colors mean different things.

1981 KZ1000-K1 LTD

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03 Jun 2013 23:00 #590736 by P21
Replied by P21 on topic Dual Front Rotors
ok alittle up-date
when i jacked up front end the wheel fell right away (head bearing) test
so maybe the head bearings need tighten fall away is easy
oh iam a dumb azz head bearing where adjusted about 2 years ago boy i am slippin old age
i have wheel off gona change rotor so they match and get rebalanced not a fan of beads
also the dot is at valve stem
thanks for the replies

Kawasaki KZ 1000 Police (2002) P21

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